refactor: use clap instead of structopt

clap version 3 basically replaces structopt entirely.

Sponsored-by: author

18 files changed, 454 insertions, 362 deletions

diff --git a/Cargo.lock b/Cargo.lock
index cf93e1f..b737315 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -50,33 +50,33 @@ dependencies = [
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.18"
+version = "0.7.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
+checksum = "b4f55bd91a0978cbfd91c457a164bab8b4001c833b7f323132c0a4e1922dd44e"
 dependencies = [
  "memchr",
 ]
 
 [[package]]
-name = "ansi_term"
-version = "0.12.1"
+name = "android_system_properties"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
 dependencies = [
- "winapi",
+ "libc",
 ]
 
 [[package]]
 name = "anyhow"
-version = "1.0.58"
+version = "1.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb07d2053ccdbe10e2af2995a2f116c1330396493dc1269f6a91d0ae82e19704"
+checksum = "216261ddc8289130e551ddcd5ce8a064710c0d064a4d2895c67151c92b5443f6"
 
 [[package]]
 name = "arc-swap"
-version = "1.5.0"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5d78ce20460b82d3fa150275ed9d55e21064fc7951177baacf86a145c4a4b1f"
+checksum = "983cd8b9d4b02a6dc6ffa557262eb5858a27a0038ffffe21a0f133eaa819a164"
 
 [[package]]
 name = "atty"
@@ -97,9 +97,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "base64"
-version = "0.13.0"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
 [[package]]
 name = "base64ct"
@@ -119,23 +119,14 @@ version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9cf849ee05b2ee5fba5e36f97ff8ec2533916700fc0758d40d92136a42f3388"
 dependencies = [
- "digest 0.10.3",
-]
-
-[[package]]
-name = "block-buffer"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
-dependencies = [
- "generic-array",
+ "digest",
 ]
 
 [[package]]
 name = "block-buffer"
-version = "0.10.2"
+version = "0.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0bf7fe51849ea569fd452f37822f606a5cabb684dc918707a0193fd4664ff324"
+checksum = "69cce20737498f97b993470a6e536b8523f0af7892a4f928cceb1ac5e52ebe7e"
 dependencies = [
  "generic-array",
 ]
@@ -152,9 +143,9 @@ dependencies = [
 
 [[package]]
 name = "bumpalo"
-version = "3.10.0"
+version = "3.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37ccbd214614c6783386c1af30caf03192f17891059cecc394b4fb119e363de3"
+checksum = "572f695136211188308f16ad2ca5c851a712c464060ae6974944458eb83880ba"
 
 [[package]]
 name = "byteorder"
@@ -164,9 +155,9 @@ checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
 name = "bytes"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0b3de4a0c5e67e16066a0715723abd91edc2f9001d09c46e1dca929351e130e"
+checksum = "ec8a7b6a70fde80372154c65702f00a0f56f3e1c36abbc6c440484be248856db"
 
 [[package]]
 name = "bytesize"
@@ -188,14 +179,16 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.19"
+version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
+checksum = "bfd4d1b31faaa3a89d7934dbded3111da0d2ef28e3ebccdb4f0179f5929d1ef1"
 dependencies = [
- "libc",
+ "iana-time-zone",
+ "js-sys",
  "num-integer",
  "num-traits",
  "time",
+ "wasm-bindgen",
  "winapi",
 ]
 
@@ -210,28 +203,62 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "2.34.0"
+version = "3.2.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
+checksum = "86447ad904c7fb335a790c9d7fe3d0d971dc523b8ccd1561a520de9a85302750"
 dependencies = [
- "ansi_term",
  "atty",
  "bitflags",
+ "clap_derive",
+ "clap_lex",
+ "indexmap",
+ "once_cell",
  "strsim",
+ "termcolor",
  "textwrap",
+]
+
+[[package]]
+name = "clap_derive"
+version = "3.2.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea0c8bce528c4be4da13ea6fead8965e95b6073585a2f05204bd8f4119f82a65"
+dependencies = [
+ "heck",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2850f2f5a82cbf437dd5af4d49848fbdfc27c157c3d010345776f952765261c5"
+dependencies = [
+ "os_str_bytes",
+]
+
+[[package]]
+name = "codespan-reporting"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3538270d33cc669650c4b093848450d380def10c331d38c768e34cac80576e6e"
+dependencies = [
+ "termcolor",
  "unicode-width",
- "vec_map",
 ]
 
 [[package]]
 name = "console"
-version = "0.15.0"
+version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a28b32d32ca44b70c3e4acd7db1babf555fa026e385fb95f18028f88848b3c31"
+checksum = "c050367d967ced717c04b65d8c619d863ef9292ce0c5760028655a2fb298718c"
 dependencies = [
  "encode_unicode",
+ "lazy_static",
  "libc",
- "once_cell",
  "terminal_size",
  "winapi",
 ]
@@ -254,9 +281,9 @@ checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.2"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59a6001667ab124aebae2a495118e11d30984c3a653e99d86d58971708cf5e4b"
+checksum = "28d997bd5e24a5928dd43e46dc529867e207907fe0b239c3477d924f7f2ca320"
 dependencies = [
  "libc",
 ]
@@ -281,6 +308,50 @@ dependencies = [
 ]
 
 [[package]]
+name = "cxx"
+version = "1.0.80"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b7d4e43b25d3c994662706a1d4fcfc32aaa6afd287502c111b237093bb23f3a"
+dependencies = [
+ "cc",
+ "cxxbridge-flags",
+ "cxxbridge-macro",
+ "link-cplusplus",
+]
+
+[[package]]
+name = "cxx-build"
+version = "1.0.80"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "84f8829ddc213e2c1368e51a2564c552b65a8cb6a28f31e576270ac81d5e5827"
+dependencies = [
+ "cc",
+ "codespan-reporting",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "scratch",
+ "syn",
+]
+
+[[package]]
+name = "cxxbridge-flags"
+version = "1.0.80"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e72537424b474af1460806647c41d4b6d35d09ef7fe031c5c2fa5766047cc56a"
+
+[[package]]
+name = "cxxbridge-macro"
+version = "1.0.80"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "309e4fb93eed90e1e14bea0da16b209f81813ba9fc7830c20ed151dd7bc0a4d7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
 name = "derivative"
 version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -292,21 +363,18 @@ dependencies = [
 ]
 
 [[package]]
-name = "digest"
-version = "0.9.0"
+name = "destructure_traitobject"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
-dependencies = [
- "generic-array",
-]
+checksum = "3c877555693c14d2f84191cfd3ad8582790fc52b5e2274b40b59cf5f5cea25c7"
 
 [[package]]
 name = "digest"
-version = "0.10.3"
+version = "0.10.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2fb860ca6fafa5552fb6d0e816a69c8e49f0908bf524e30a90d97c85892d506"
+checksum = "adfbc57365a37acbd2ebf2b64d7e69bb766e2fea813521ed536f5d0520dcf86c"
 dependencies = [
- "block-buffer 0.10.2",
+ "block-buffer",
  "crypto-common",
  "subtle",
 ]
@@ -404,19 +472,18 @@ checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
 [[package]]
 name = "form_urlencoded"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fc25a87fa4fd2094bffb06925852034d90a17f0d1e05197d4956d3555752191"
+checksum = "a9c384f161156f5260c24a097c56119f9be8c798586aecc13afbcbe7b7e26bf8"
 dependencies = [
- "matches",
  "percent-encoding",
 ]
 
 [[package]]
 name = "futures"
-version = "0.3.21"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f73fe65f54d1e12b726f517d3e2135ca3125a437b6d998caf1962961f7172d9e"
+checksum = "38390104763dc37a5145a53c29c63c1290b5d316d6086ec32c293f6736051bb0"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -429,9 +496,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.21"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3083ce4b914124575708913bca19bfe887522d6e2e6d0952943f5eac4a74010"
+checksum = "52ba265a92256105f45b719605a571ffe2d1f0fea3807304b522c1d778f79eed"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -439,15 +506,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.21"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c09fd04b7e4073ac7156a9539b57a484a8ea920f79c7c675d05d289ab6110d3"
+checksum = "04909a7a7e4633ae6c4a9ab280aeb86da1236243a77b694a49eacd659a4bd3ac"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.21"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9420b90cfa29e327d0429f19be13e7ddb68fa1cccb09d65e5706b8c7a749b8a6"
+checksum = "7acc85df6714c176ab5edf386123fafe217be88c0840ec11f199441134a074e2"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -456,15 +523,15 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.21"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc4045962a5a5e935ee2fdedaa4e08284547402885ab326734432bed5d12966b"
+checksum = "00f5fb52a06bdcadeb54e8d3671f8888a39697dcb0b81b23b55174030427f4eb"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.21"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33c1e13800337f4d4d7a316bf45a567dbcb6ffe087f16424852d97e97a91f512"
+checksum = "bdfb8ce053d86b91919aad980c220b1fb8401a9394410e1c289ed7e66b61835d"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -473,21 +540,21 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.21"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21163e139fa306126e6eedaf49ecdb4588f939600f0b1e770f4205ee4b7fa868"
+checksum = "39c15cf1a4aa79df40f1bb462fb39676d0ad9e366c2a33b590d7c66f4f81fcf9"
 
 [[package]]
 name = "futures-task"
-version = "0.3.21"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57c66a976bf5909d801bbef33416c41372779507e7a6b3a5e25e4749c58f776a"
+checksum = "2ffb393ac5d9a6eaa9d3fdf37ae2776656b706e200c8e16b1bdb227f5198e6ea"
 
 [[package]]
 name = "futures-util"
-version = "0.3.21"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8b7abd5d659d9b90c8cba917f6ec750a74e2dc23902ef9cd4cc8c8b22e6036a"
+checksum = "197676987abd2f9cadff84926f410af1c183608d36641465df73ae8211dc65d6"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -503,9 +570,9 @@ dependencies = [
 
 [[package]]
 name = "generic-array"
-version = "0.14.5"
+version = "0.14.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd48d33ec7f05fbfa152300fdad764757cbded343c1aa1cff2fbaf4134851803"
+checksum = "bff49e947297f3312447abdca79f45f4738097cc82b06e72054d2223f601f1b9"
 dependencies = [
  "typenum",
  "version_check",
@@ -513,9 +580,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.7"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4eb1a864a501629691edf6c15a593b7a51eebaa1e8468e9ddc623de7c9b58ec6"
+checksum = "c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"
 dependencies = [
  "cfg-if",
  "libc",
@@ -534,9 +601,9 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.3.13"
+version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37a82c6d637fc9515a4694bbf1cb2457b79d81ce52b3108bdeea58b07dd34a57"
+checksum = "5ca32592cf21ac7ccab1825cd87f6c9b3d9022c44d086172ed0966bec8af30be"
 dependencies = [
  "bytes",
  "fnv",
@@ -547,7 +614,7 @@ dependencies = [
  "indexmap",
  "slab",
  "tokio",
- "tokio-util 0.7.3",
+ "tokio-util",
  "tracing",
 ]
 
@@ -562,18 +629,18 @@ dependencies = [
 
 [[package]]
 name = "hashlink"
-version = "0.8.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d452c155cb93fecdfb02a73dd57b5d8e442c2063bd7aac72f1bc5e4263a43086"
+checksum = "69fe1fcf8b4278d860ad0548329f892a3631fb63f82574df68275f34cdbe0ffa"
 dependencies = [
  "hashbrown",
 ]
 
 [[package]]
 name = "headers"
-version = "0.3.7"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4cff78e5788be1e0ab65b04d306b2ed5092c815ec97ec70f4ebd5aee158aa55d"
+checksum = "f3e372db8e5c0d213e0cd0b9be18be2aca3d44cf2fe30a9d46a65581cd454584"
 dependencies = [
  "base64",
  "bitflags",
@@ -582,7 +649,7 @@ dependencies = [
  "http",
  "httpdate",
  "mime",
- "sha-1 0.10.0",
+ "sha1",
 ]
 
 [[package]]
@@ -596,12 +663,9 @@ dependencies = [
 
 [[package]]
 name = "heck"
-version = "0.3.3"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d621efb26863f0e9924c6ac577e8275e5e6b77455db64ffa6c65c904e9e132c"
-dependencies = [
- "unicode-segmentation",
-]
+checksum = "2540771e65fc8cb83cd6e8a237f70c319bd5c29f78ed1084ba5d50eeac86f7f9"
 
 [[package]]
 name = "hermit-abi"
@@ -618,7 +682,7 @@ version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
 dependencies = [
- "digest 0.10.3",
+ "digest",
 ]
 
 [[package]]
@@ -645,9 +709,9 @@ dependencies = [
 
 [[package]]
 name = "httparse"
-version = "1.7.1"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "496ce29bb5a52785b44e0f7ca2847ae0bb839c9bd28f69acac9b99d461c0c04c"
+checksum = "d897f394bad6a705d5f4104762e116a75639e470d80901eed05a860a95cb1904"
 
 [[package]]
 name = "httpdate"
@@ -708,12 +772,35 @@ dependencies = [
 ]
 
 [[package]]
+name = "iana-time-zone"
+version = "0.1.51"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5a6ef98976b22b3b7f2f3a806f858cb862044cfa66805aa3ad84cb3d3b785ed"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "wasm-bindgen",
+ "winapi",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0703ae284fc167426161c2e3f1da3ea71d94b21bedbcc9494e92b28e334e3dca"
+dependencies = [
+ "cxx",
+ "cxx-build",
+]
+
+[[package]]
 name = "idna"
-version = "0.2.3"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "418a0a6fab821475f634efe3ccc45c013f742efe03d853e8d3355d5cb850ecf8"
+checksum = "e14ddfc70884202db2244c223200c204c2bda1bc6e0998d11b5e024d657209e6"
 dependencies = [
- "matches",
  "unicode-bidi",
  "unicode-normalization",
 ]
@@ -757,15 +844,15 @@ checksum = "879d54834c8c76457ef4293a689b2a8c59b076067ad77b15efafbb05f92a592b"
 
 [[package]]
 name = "itoa"
-version = "1.0.2"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "112c678d4050afce233f4f2852bb2eb519230b3cf12f33585275537d7e41578d"
+checksum = "4217ad341ebadf8d8e724e264f13e593e0648f5b3e94b3896a5df283be015ecc"
 
 [[package]]
 name = "js-sys"
-version = "0.3.58"
+version = "0.3.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3fac17f7123a73ca62df411b1bf727ccc805daa070338fda671c86dac1bdc27"
+checksum = "49409df3e3bf0856b916e2ceaca09ee28e6871cf7d9ce97a692cacfdb2a25a47"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -778,9 +865,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.126"
+version = "0.2.135"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
+checksum = "68783febc7782c6c5cb401fbda4de5a9898be1762314da0bb2c10ced61f18b0c"
 
 [[package]]
 name = "libsqlite3-sys"
@@ -793,6 +880,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "link-cplusplus"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9272ab7b96c9046fbc5bc56c06c117cb639fe2d509df0c421cad82d2915cf369"
+dependencies = [
+ "cc",
+]
+
+[[package]]
 name = "linked-hash-map"
 version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -800,9 +896,9 @@ checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
 
 [[package]]
 name = "lock_api"
-version = "0.4.7"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "327fa5b6a6940e4699ec49a9beae1ea4845c6bab9314e4f84ac68742139d8c53"
+checksum = "435011366fe56583b16cf956f9df0095b405b82d76425bc8981c0e22e60ec4df"
 dependencies = [
  "autocfg",
  "scopeguard",
@@ -826,9 +922,9 @@ checksum = "a94d21414c1f4a51209ad204c1776a3d0765002c76c6abcb602a6f09f1e881c7"
 
 [[package]]
 name = "log4rs"
-version = "1.1.1"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "893eaf59f4bef8e2e94302adf56385db445a0306b9823582b0b8d5a06d8822f3"
+checksum = "d36ca1786d9e79b8193a68d480a0907b612f109537115c6ff655a3a1967533fd"
 dependencies = [
  "anyhow",
  "arc-swap",
@@ -846,17 +942,11 @@ dependencies = [
  "serde_yaml",
  "thiserror",
  "thread-id",
- "typemap",
+ "typemap-ors",
  "winapi",
 ]
 
 [[package]]
-name = "matches"
-version = "0.1.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
-
-[[package]]
 name = "memchr"
 version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -887,7 +977,7 @@ dependencies = [
  "libc",
  "log",
  "wasi 0.11.0+wasi-snapshot-preview1",
- "windows-sys",
+ "windows-sys 0.36.1",
 ]
 
 [[package]]
@@ -970,6 +1060,7 @@ dependencies = [
  "blake2",
  "bytesize",
  "chrono",
+ "clap",
  "directories-next",
  "futures",
  "indicatif",
@@ -987,7 +1078,6 @@ dependencies = [
  "serde_yaml",
  "sha2",
  "spmc",
- "structopt",
  "tempfile",
  "thiserror",
  "tokio",
@@ -999,9 +1089,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.13.0"
+version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18a6dbe30758c9f83eb00cbea4ac95966305f5a7772f3f42ebfc7fc7eddbd8e1"
+checksum = "e82dad04139b71a90c080c8463fe0dc7902db5192d939bd0950f074d014339e1"
 
 [[package]]
 name = "opaque-debug"
@@ -1011,9 +1101,9 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "openssl"
-version = "0.10.41"
+version = "0.10.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "618febf65336490dfcf20b73f885f5651a0c89c64c2d4a8c3662585a70bf5bd0"
+checksum = "12fc0523e3bd51a692c8850d075d74dc062ccf251c0110668cbd921917118a13"
 dependencies = [
  "bitflags",
  "cfg-if",
@@ -1043,9 +1133,9 @@ checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.75"
+version = "0.9.77"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5f9bd0c2710541a3cda73d6f9ac4f1b240de4ae261065d309dbe73d9dceb42f"
+checksum = "b03b84c3b2d099b81f0953422b4d4ad58761589d0229b5506356afca05a3670a"
 dependencies = [
  "autocfg",
  "cc",
@@ -1064,6 +1154,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "os_str_bytes"
+version = "6.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ff7415e9ae3fff1225851df9e0d9e4e5479f947619774677a63572e55e80eff"
+
+[[package]]
 name = "parking_lot"
 version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1075,15 +1171,15 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
-version = "0.9.3"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09a279cbf25cb0757810394fbc1e359949b59e348145c643a939a525692e6929"
+checksum = "4dc9e0dc2adc1c69d09143aff38d3d30c5c3f0df0dad82e6d25547af174ebec0"
 dependencies = [
  "cfg-if",
  "libc",
  "redox_syscall",
  "smallvec",
- "windows-sys",
+ "windows-sys 0.42.0",
 ]
 
 [[package]]
@@ -1103,7 +1199,7 @@ version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "271779f35b581956db91a3e55737327a03aa051e90b1c47aeb189508533adfd7"
 dependencies = [
- "digest 0.10.3",
+ "digest",
  "hmac",
  "password-hash",
  "sha2",
@@ -1111,24 +1207,24 @@ dependencies = [
 
 [[package]]
 name = "percent-encoding"
-version = "2.1.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
+checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"
 
 [[package]]
 name = "pin-project"
-version = "1.0.11"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78203e83c48cffbe01e4a2d35d566ca4de445d79a85372fc64e378bfc812a260"
+checksum = "ad29a609b6bcd67fee905812e544992d216af9d755757c05ed2d0e15a74c6ecc"
 dependencies = [
  "pin-project-internal",
 ]
 
 [[package]]
 name = "pin-project-internal"
-version = "1.0.11"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "710faf75e1b33345361201d36d04e98ac1ed8909151a017ed384700836104c74"
+checksum = "069bdb1e05adc7a8990dce9cc75370895fbe4e3d58b9b73bf1aee56359344a55"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1207,9 +1303,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.40"
+version = "1.0.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd96a1e8ed2596c337f8eae5f24924ec83f5ad5ab21ea8e455d3566c69fbcaf7"
+checksum = "5ea3d908b0e36316caf9e9e2c4625cdde190a7e6f440d794667ed17a1855e725"
 dependencies = [
  "unicode-ident",
 ]
@@ -1222,9 +1318,9 @@ checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
 [[package]]
 name = "quote"
-version = "1.0.20"
+version = "1.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3bcdf212e9776fbcb2d23ab029360416bb1706b1aea2d1a5ba002727cbcab804"
+checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
 dependencies = [
  "proc-macro2",
 ]
@@ -1252,18 +1348,18 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.6.3"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
  "getrandom",
 ]
 
 [[package]]
 name = "redox_syscall"
-version = "0.2.15"
+version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "534cfe58d6a18cc17120fbf4635d53d14691c1fe4d951064df9bd326178d7d5a"
+checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
 dependencies = [
  "bitflags",
 ]
@@ -1307,9 +1403,9 @@ dependencies = [
 
 [[package]]
 name = "reqwest"
-version = "0.11.11"
+version = "0.11.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b75aa69a3f06bbcc66ede33af2af253c6f7a86b1ca0033f60c580a27074fbf92"
+checksum = "431949c384f4e2ae07605ccaa56d1d9d2ecdb5cadd4f9577ccfab29f2e5149fc"
 dependencies = [
  "base64",
  "bytes",
@@ -1323,10 +1419,10 @@ dependencies = [
  "hyper-tls",
  "ipnet",
  "js-sys",
- "lazy_static",
  "log",
  "mime",
  "native-tls",
+ "once_cell",
  "percent-encoding",
  "pin-project-lite",
  "serde",
@@ -1383,11 +1479,10 @@ dependencies = [
 
 [[package]]
 name = "rustls"
-version = "0.19.1"
+version = "0.20.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "35edb675feee39aec9c99fa5ff985081995a06d594114ae14cbe797ad7b7a6d7"
+checksum = "539a2bfe908f471bfa933876bd1eb6a19cf2176d375f82ef7f99530a40e48c2c"
 dependencies = [
- "base64",
  "log",
  "ring",
  "sct",
@@ -1395,10 +1490,19 @@ dependencies = [
 ]
 
 [[package]]
+name = "rustls-pemfile"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5eebeaeb360c87bfb72e84abdb3447159c0eaececf1bef2aecd65a8be949d1c9"
+dependencies = [
+ "base64",
+]
+
+[[package]]
 name = "ryu"
-version = "1.0.10"
+version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3f6f92acf49d1b98f7a81226834412ada05458b7364277387724a237f062695"
+checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
 
 [[package]]
 name = "safemem"
@@ -1422,7 +1526,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "88d6731146462ea25d9244b2ed5fd1d716d25c52e4d54aa4fb0f3c4e9854dbe2"
 dependencies = [
  "lazy_static",
- "windows-sys",
+ "windows-sys 0.36.1",
 ]
 
 [[package]]
@@ -1438,10 +1542,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
+name = "scratch"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8132065adcfd6e02db789d9285a0deb2f3fcb04002865ab67d5fb103533898"
+
+[[package]]
 name = "sct"
-version = "0.6.1"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b362b83898e0e69f38515b82ee15aa80636befe47c3b6d3d89a911e78fc228ce"
+checksum = "d53dcdb7c9f8158937a7981b48accfd39a43af418591a5d008c7b22b5e1b7ca4"
 dependencies = [
  "ring",
  "untrusted",
@@ -1449,9 +1559,9 @@ dependencies = [
 
 [[package]]
 name = "security-framework"
-version = "2.6.1"
+version = "2.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2dc14f172faf8a0194a3aded622712b0de276821addc574fa54fc0a1167e10dc"
+checksum = "2bc1bb97804af6631813c55739f771071e0f2ed33ee20b68c86ec505d906356c"
 dependencies = [
  "bitflags",
  "core-foundation",
@@ -1472,9 +1582,9 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.140"
+version = "1.0.147"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc855a42c7967b7c369eb5860f7164ef1f6f81c20c7cc1141f2a604e18723b03"
+checksum = "d193d69bae983fc11a79df82342761dfbf28a99fc8d203dca4c3c1b590948965"
 dependencies = [
  "serde_derive",
 ]
@@ -1491,9 +1601,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.140"
+version = "1.0.147"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f2122636b9fe3b81f1cb25099fcf2d3f542cdb1d45940d56c713158884a05da"
+checksum = "4f1d362ca8fc9c3e3a7484440752472d68a6caa98f1ab81d99b5dfe517cec852"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1502,9 +1612,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.82"
+version = "1.0.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82c2c1fdcd807d1098552c5b9a36e425e42e9fbd7c6a37a8425f390f781f7fa7"
+checksum = "6ce777b7b150d76b9cf60d28b55f5847135a003f7d7350c6be7a773508ce7d45"
 dependencies = [
  "itoa",
  "ryu",
@@ -1537,37 +1647,35 @@ dependencies = [
 
 [[package]]
 name = "sha-1"
-version = "0.9.8"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99cd6713db3cf16b6c84e06321e049a9b9f699826e16096d23bbcc44d15d51a6"
+checksum = "028f48d513f9678cda28f6e4064755b3fbb2af6acd672f2c209b62323f7aea0f"
 dependencies = [
- "block-buffer 0.9.0",
  "cfg-if",
  "cpufeatures",
- "digest 0.9.0",
- "opaque-debug",
+ "digest",
 ]
 
 [[package]]
-name = "sha-1"
-version = "0.10.0"
+name = "sha1"
+version = "0.10.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "028f48d513f9678cda28f6e4064755b3fbb2af6acd672f2c209b62323f7aea0f"
+checksum = "f04293dc80c3993519f2d7f6f511707ee7094fe0c6d3406feb330cdb3540eba3"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest 0.10.3",
+ "digest",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.2"
+version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55deaec60f81eefe3cce0dc50bda92d6d8e88f2a27df7c5033b42afeb1ed2676"
+checksum = "82e6b795fe2e3b1e845bafcb27aa35405c4d47cdfc92af5fc8d3002f76cebdc0"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest 0.10.3",
+ "digest",
 ]
 
 [[package]]
@@ -1590,15 +1698,15 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.9.0"
+version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fd0db749597d91ff862fd1d55ea87f7855a744a8425a64695b6fca237d1dad1"
+checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
 [[package]]
 name = "socket2"
-version = "0.4.4"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66d72b759436ae32898a2af0a14218dbf55efde3feeb170eb623637db85ee1e0"
+checksum = "02e2d2db9033d13a1567121ddd7a095ee144db4e1ca1b1bda3419bc0da294ebd"
 dependencies = [
  "libc",
  "winapi",
@@ -1618,33 +1726,9 @@ checksum = "02a8428da277a8e3a15271d79943e80ccc2ef254e78813a166a08d65e4c3ece5"
 
 [[package]]
 name = "strsim"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
-
-[[package]]
-name = "structopt"
-version = "0.3.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c6b5c64445ba8094a6ab0c3cd2ad323e07171012d9c98b0b15651daf1787a10"
-dependencies = [
- "clap",
- "lazy_static",
- "structopt-derive",
-]
-
-[[package]]
-name = "structopt-derive"
-version = "0.4.18"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcb5ae327f9cc13b68763b5749770cb9e048a99bd9dfdfa58d0cf05d5f64afe0"
-dependencies = [
- "heck",
- "proc-macro-error",
- "proc-macro2",
- "quote",
- "syn",
-]
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
 [[package]]
 name = "subtle"
@@ -1654,9 +1738,9 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "syn"
-version = "1.0.98"
+version = "1.0.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c50aef8a904de4c23c788f104b7dddc7d6f79c647c7c8ce4cc8f73eb0ca773dd"
+checksum = "a864042229133ada95abf3b54fdc62ef5ccabe9515b64717bcb9a1919e59445d"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1698,27 +1782,24 @@ dependencies = [
 
 [[package]]
 name = "textwrap"
-version = "0.11.0"
+version = "0.15.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
-dependencies = [
- "unicode-width",
-]
+checksum = "949517c0cf1bf4ee812e2e07e08ab448e3ae0d23472aee8a06c985f0c8815b16"
 
 [[package]]
 name = "thiserror"
-version = "1.0.31"
+version = "1.0.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd829fe32373d27f76265620b5309d0340cb8550f523c1dda251d6298069069a"
+checksum = "10deb33631e3c9018b9baf9dcbbc4f737320d2b576bac10f6aefa048fa407e3e"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.31"
+version = "1.0.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0396bc89e626244658bef819e22d0cc459e795a5ebe878e6ec336d1674a8d79a"
+checksum = "982d17546b47146b28f7c22e3d08465f6b8903d0ea13c1660d9d84a6e7adcdbb"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1764,9 +1845,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.20.0"
+version = "1.21.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57aec3cfa4c296db7255446efb4928a6be304b431a806216105542a67b6ca82e"
+checksum = "a9e03c497dc955702ba729190dc4aac6f2a0ce97f913e5b1b5912fc5039d9099"
 dependencies = [
  "autocfg",
  "bytes",
@@ -1774,7 +1855,6 @@ dependencies = [
  "memchr",
  "mio",
  "num_cpus",
- "once_cell",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
@@ -1806,9 +1886,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-rustls"
-version = "0.22.0"
+version = "0.23.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc6844de72e57df1980054b38be3a9f4702aba4858be64dd700181a8a6d0e1b6"
+checksum = "c43ee83903113e03984cb9e5cebe6c04a5116269e900e3ddba8f068a62adda59"
 dependencies = [
  "rustls",
  "tokio",
@@ -1817,9 +1897,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-stream"
-version = "0.1.9"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df54d54117d6fdc4e4fea40fe1e4e566b3505700e148a6827e59b34b0d2600d9"
+checksum = "d660770404473ccd7bc9f8b28494a811bc18542b915c0855c51e8f419d5223ce"
 dependencies = [
  "futures-core",
  "pin-project-lite",
@@ -1828,36 +1908,21 @@ dependencies = [
 
 [[package]]
 name = "tokio-tungstenite"
-version = "0.15.0"
+version = "0.17.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "511de3f85caf1c98983545490c3d09685fa8eb634e57eec22bb4db271f46cbd8"
+checksum = "f714dd15bead90401d77e04243611caec13726c2408afd5b31901dfcdcb3b181"
 dependencies = [
  "futures-util",
  "log",
- "pin-project",
  "tokio",
  "tungstenite",
 ]
 
 [[package]]
 name = "tokio-util"
-version = "0.6.10"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36943ee01a6d67977dd3f84a5a1d2efeb4ada3a1ae771cadfaa535d9d9fc6507"
-dependencies = [
- "bytes",
- "futures-core",
- "futures-sink",
- "log",
- "pin-project-lite",
- "tokio",
-]
-
-[[package]]
-name = "tokio-util"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc463cd8deddc3770d20f9852143d50bf6094e640b485cb2e189a2099085ff45"
+checksum = "0bb2e075f03b3d66d8d8785356224ba688d2906a371015e225beeb65ca92c740"
 dependencies = [
  "bytes",
  "futures-core",
@@ -1875,9 +1940,9 @@ checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52"
 
 [[package]]
 name = "tracing"
-version = "0.1.35"
+version = "0.1.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a400e31aa60b9d44a52a8ee0343b5b18566b03a8321e0d321f695cf56e940160"
+checksum = "8ce8c33a8d48bd45d624a6e523445fd21ec13d3653cd51f681abf67418f54eb8"
 dependencies = [
  "cfg-if",
  "log",
@@ -1887,20 +1952,14 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.28"
+version = "0.1.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b7358be39f2f274f322d2aaed611acc57f382e8eb1e5b48cb9ae30933495ce7"
+checksum = "24eb03ba0eab1fd845050058ce5e616558e8f8d8fca633e6b163fe25c797213a"
 dependencies = [
  "once_cell",
 ]
 
 [[package]]
-name = "traitobject"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "efd1f82c56340fdf16f2a953d7bda4f8fdffba13d93b00844c25572110b26079"
-
-[[package]]
 name = "try-lock"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1908,9 +1967,9 @@ checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
 [[package]]
 name = "tungstenite"
-version = "0.14.0"
+version = "0.17.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0b2d8558abd2e276b0a8df5c05a2ec762609344191e5fd23e292c910e9165b5"
+checksum = "e27992fd6a8c29ee7eef28fc78349aa244134e10ad447ce3b9f0ac0ed0fa4ce0"
 dependencies = [
  "base64",
  "byteorder",
@@ -1919,7 +1978,7 @@ dependencies = [
  "httparse",
  "log",
  "rand",
- "sha-1 0.9.8",
+ "sha-1",
  "thiserror",
  "url",
  "utf-8",
@@ -1935,12 +1994,12 @@ dependencies = [
 ]
 
 [[package]]
-name = "typemap"
-version = "0.3.3"
+name = "typemap-ors"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "653be63c80a3296da5551e1bfd2cca35227e13cdd08c6668903ae2f4f77aa1f6"
+checksum = "a68c24b707f02dd18f1e4ccceb9d49f2058c2fb86384ef9972592904d7a28867"
 dependencies = [
- "unsafe-any",
+ "unsafe-any-ors",
 ]
 
 [[package]]
@@ -1966,30 +2025,24 @@ checksum = "099b7128301d285f79ddd55b9a83d5e6b9e97c92e0ea0daebee7263e932de992"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.2"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15c61ba63f9235225a22310255a29b806b907c9b8c964bcbd0a2c70f3f2deea7"
+checksum = "6ceab39d59e4c9499d4e5a8ee0e2735b891bb7308ac83dfb4e80cad195c9f6f3"
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.21"
+version = "0.1.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "854cbdc4f7bc6ae19c820d44abdc3277ac3e1b2b93db20a636825d9322fb60e6"
+checksum = "5c5713f0fc4b5db668a2ac63cdb7bb4469d8c9fed047b1d0292cc7b0ce2ba921"
 dependencies = [
  "tinyvec",
 ]
 
 [[package]]
-name = "unicode-segmentation"
-version = "1.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e8820f5d777f6224dc4be3632222971ac30164d4a258d595640799554ebfd99"
-
-[[package]]
 name = "unicode-width"
-version = "0.1.9"
+version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973"
+checksum = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b"
 
 [[package]]
 name = "universal-hash"
@@ -2002,12 +2055,12 @@ dependencies = [
 ]
 
 [[package]]
-name = "unsafe-any"
-version = "0.4.2"
+name = "unsafe-any-ors"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f30360d7979f5e9c6e6cea48af192ea8fab4afb3cf72597154b8f08935bc9c7f"
+checksum = "e0a303d30665362d9680d7d91d78b23f5f899504d4f08b3c4cf08d055d87c0ad"
 dependencies = [
- "traitobject",
+ "destructure_traitobject",
 ]
 
 [[package]]
@@ -2018,13 +2071,12 @@ checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
 
 [[package]]
 name = "url"
-version = "2.2.2"
+version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a507c383b2d33b5fc35d1861e77e6b383d158b2da5e14fe51b83dfedf6fd578c"
+checksum = "0d68c799ae75762b8c3fe375feb6600ef5602c883c5d21eb51c09f22b83c4643"
 dependencies = [
  "form_urlencoded",
  "idna",
- "matches",
  "percent-encoding",
 ]
 
@@ -2046,9 +2098,9 @@ checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
 
 [[package]]
 name = "uuid"
-version = "1.1.2"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd6469f4314d5f1ffec476e05f17cc9a78bc7a27a6a857842170bdf8d6f98d2f"
+checksum = "feb41e78f93363bb2df8b0e86a2ca30eed7806ea16ea0c790d757cf93f79be83"
 dependencies = [
  "getrandom",
 ]
@@ -2060,12 +2112,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
 [[package]]
-name = "vec_map"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
-
-[[package]]
 name = "version_check"
 version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -2094,9 +2140,9 @@ dependencies = [
 
 [[package]]
 name = "warp"
-version = "0.3.2"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3cef4e1e9114a4b7f1ac799f16ce71c14de5778500c5450ec6b7b920c55b587e"
+checksum = "ed7b8be92646fc3d18b06147664ebc5f48d222686cb11a8755e561a735aacc6d"
 dependencies = [
  "bytes",
  "futures-channel",
@@ -2110,6 +2156,7 @@ dependencies = [
  "multipart",
  "percent-encoding",
  "pin-project",
+ "rustls-pemfile",
  "scoped-tls",
  "serde",
  "serde_json",
@@ -2118,7 +2165,7 @@ dependencies = [
  "tokio-rustls",
  "tokio-stream",
  "tokio-tungstenite",
- "tokio-util 0.6.10",
+ "tokio-util",
  "tower-service",
  "tracing",
 ]
@@ -2137,9 +2184,9 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.81"
+version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c53b543413a17a202f4be280a7e5c62a1c69345f5de525ee64f8cfdbc954994"
+checksum = "eaf9f5aceeec8be17c128b2e93e031fb8a4d469bb9c4ae2d7dc1888b26887268"
 dependencies = [
  "cfg-if",
  "wasm-bindgen-macro",
@@ -2147,13 +2194,13 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.81"
+version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5491a68ab4500fa6b4d726bd67408630c3dbe9c4fe7bda16d5c82a1fd8c7340a"
+checksum = "4c8ffb332579b0557b52d268b91feab8df3615f265d5270fec2a8c95b17c1142"
 dependencies = [
  "bumpalo",
- "lazy_static",
  "log",
+ "once_cell",
  "proc-macro2",
  "quote",
  "syn",
@@ -2162,9 +2209,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.31"
+version = "0.4.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de9a9cec1733468a8c657e57fa2413d2ae2c0129b95e87c5b72b8ace4d13f31f"
+checksum = "23639446165ca5a5de86ae1d8896b737ae80319560fbaa4c2887b7da6e7ebd7d"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -2174,9 +2221,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.81"
+version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c441e177922bc58f1e12c022624b6216378e5febc2f0533e41ba443d505b80aa"
+checksum = "052be0f94026e6cbc75cdefc9bae13fd6052cdcaf532fa6c45e7ae33a1e6c810"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -2184,9 +2231,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.81"
+version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d94ac45fcf608c1f45ef53e748d35660f168490c10b23704c7779ab8f5c3048"
+checksum = "07bc0c051dc5f23e307b13285f9d75df86bfdf816c5721e573dec1f9b8aa193c"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2197,15 +2244,15 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.81"
+version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a89911bd99e5f3659ec4acf9c4d93b0a90fe4a2a11f15328472058edc5261be"
+checksum = "1c38c045535d93ec4f0b4defec448e4291638ee608530863b1e2ba115d4fff7f"
 
 [[package]]
 name = "web-sys"
-version = "0.3.58"
+version = "0.3.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fed94beee57daf8dd7d51f2b15dc2bcde92d7a72304cdf662a4371008b71b90"
+checksum = "bcda906d8be16e728fd5adc5b729afad4e444e106ab28cd1c7256e54fa61510f"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -2213,9 +2260,9 @@ dependencies = [
 
 [[package]]
 name = "webpki"
-version = "0.21.4"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8e38c0608262c46d4a56202ebabdeb094cef7e560ca7a226c6bf055188aa4ea"
+checksum = "f095d78192e208183081cc07bc5515ef55216397af48b873e5edcd72637fa1bd"
 dependencies = [
  "ring",
  "untrusted",
@@ -2258,44 +2305,101 @@ version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2"
 dependencies = [
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_msvc",
+ "windows_aarch64_msvc 0.36.1",
+ "windows_i686_gnu 0.36.1",
+ "windows_i686_msvc 0.36.1",
+ "windows_x86_64_gnu 0.36.1",
+ "windows_x86_64_msvc 0.36.1",
 ]
 
 [[package]]
+name = "windows-sys"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc 0.42.0",
+ "windows_i686_gnu 0.42.0",
+ "windows_i686_msvc 0.42.0",
+ "windows_x86_64_gnu 0.42.0",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc 0.42.0",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41d2aa71f6f0cbe00ae5167d90ef3cfe66527d6f613ca78ac8024c3ccab9a19e"
+
+[[package]]
 name = "windows_aarch64_msvc"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47"
 
 [[package]]
+name = "windows_aarch64_msvc"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd0f252f5a35cac83d6311b2e795981f5ee6e67eb1f9a7f64eb4500fbc4dcdb4"
+
+[[package]]
 name = "windows_i686_gnu"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6"
 
 [[package]]
+name = "windows_i686_gnu"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fbeae19f6716841636c28d695375df17562ca208b2b7d0dc47635a50ae6c5de7"
+
+[[package]]
 name = "windows_i686_msvc"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
 
 [[package]]
+name = "windows_i686_msvc"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "84c12f65daa39dd2babe6e442988fc329d6243fdce47d7d2d155b8d874862246"
+
+[[package]]
 name = "windows_x86_64_gnu"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1"
 
 [[package]]
+name = "windows_x86_64_gnu"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf7b1b21b5362cbc318f686150e5bcea75ecedc74dd157d874d754a2ca44b0ed"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09d525d2ba30eeb3297665bd434a54297e4170c7f1a44cad4ef58095b4cd2028"
+
+[[package]]
 name = "windows_x86_64_msvc"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
 
 [[package]]
+name = "windows_x86_64_msvc"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5"
+
+[[package]]
 name = "winreg"
 version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/Cargo.toml b/Cargo.toml
index 64f7687..397e2eb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,6 +16,7 @@ anyhow = "1"
 blake2 = "0.10.4"
 bytesize = "1"
 chrono = "0.4"
+clap = { version = "3", features = ["derive"] }
 directories-next = "2"
 futures = "0.3.15"
 indicatif = "0.16"
@@ -33,7 +34,6 @@ serde_json = "1"
 serde_yaml = "0.8"
 sha2 = "0.10"
 spmc = "0.3.0"
-structopt = "0.3"
 tempfile = "3"
 thiserror = "1"
 tokio = { version = "1", features = ["full"] }
diff --git a/src/bin/obnam-server.rs b/src/bin/obnam-server.rs
index 6cf4122..cfa2cb5 100644
--- a/src/bin/obnam-server.rs
+++ b/src/bin/obnam-server.rs
@@ -1,4 +1,5 @@
 use anyhow::Context;
+use clap::Parser;
 use log::{debug, error, info};
 use obnam::chunk::DataChunk;
 use obnam::chunkid::ChunkId;
@@ -11,16 +12,14 @@ use std::default::Default;
 use std::net::{SocketAddr, ToSocketAddrs};
 use std::path::{Path, PathBuf};
 use std::sync::Arc;
-use structopt::StructOpt;
 use tokio::sync::Mutex;
 use warp::http::StatusCode;
 use warp::hyper::body::Bytes;
 use warp::Filter;
 
-#[derive(Debug, StructOpt)]
-#[structopt(name = "obnam2-server", about = "Backup server")]
+#[derive(Debug, Parser)]
+#[clap(name = "obnam2-server", about = "Backup server")]
 struct Opt {
-    #[structopt(parse(from_os_str))]
     config: PathBuf,
 }
 
@@ -28,7 +27,7 @@ struct Opt {
 async fn main() -> anyhow::Result<()> {
     pretty_env_logger::init_custom_env("OBNAM_SERVER_LOG");
 
-    let opt = Opt::from_args();
+    let opt = Opt::parse();
     let config = load_config(&opt.config)?;
 
     let addresses: Vec<SocketAddr> = config.address.to_socket_addrs()?.collect();
diff --git a/src/bin/obnam.rs b/src/bin/obnam.rs
index 089a7a1..b962c61 100644
--- a/src/bin/obnam.rs
+++ b/src/bin/obnam.rs
@@ -1,3 +1,4 @@
+use clap::Parser;
 use directories_next::ProjectDirs;
 use log::{debug, error, info, LevelFilter};
 use log4rs::append::file::FileAppender;
@@ -19,7 +20,6 @@ use obnam::cmd::show_gen::ShowGeneration;
 use obnam::config::ClientConfig;
 use obnam::performance::{Clock, Performance};
 use std::path::{Path, PathBuf};
-use structopt::StructOpt;
 
 const QUALIFIER: &str = "";
 const ORG: &str = "";
@@ -38,7 +38,7 @@ fn main() {
 }
 
 fn main_program(perf: &mut Performance) -> anyhow::Result<()> {
-    let opt = Opt::from_args();
+    let opt = Opt::parse();
     let config = ClientConfig::read(&config_filename(&opt))?;
     setup_logging(&config.log)?;
 
@@ -96,17 +96,17 @@ fn default_config() -> PathBuf {
     }
 }
 
-#[derive(Debug, StructOpt)]
-#[structopt(name = "obnam-backup", about = "Simplistic backup client")]
+#[derive(Debug, Parser)]
+#[clap(name = "obnam-backup", about = "Simplistic backup client")]
 struct Opt {
-    #[structopt(long, short, parse(from_os_str))]
+    #[clap(long, short)]
     config: Option<PathBuf>,
 
-    #[structopt(subcommand)]
+    #[clap(subcommand)]
     cmd: Command,
 }
 
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 enum Command {
     Init(Init),
     Backup(Backup),
diff --git a/src/cmd/backup.rs b/src/cmd/backup.rs
index 80dbb1f..a18027b 100644
--- a/src/cmd/backup.rs
+++ b/src/cmd/backup.rs
@@ -10,21 +10,21 @@ use crate::generation::GenId;
 use crate::performance::{Clock, Performance};
 use crate::schema::VersionComponent;
 
+use clap::Parser;
 use log::info;
 use std::time::SystemTime;
-use structopt::StructOpt;
 use tempfile::tempdir;
 use tokio::runtime::Runtime;
 
 /// Make a backup.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct Backup {
     /// Force a full backup, instead of an incremental one.
-    #[structopt(long)]
+    #[clap(long)]
     full: bool,
 
     /// Backup schema major version to use.
-    #[structopt(long)]
+    #[clap(long)]
     backup_version: Option<VersionComponent>,
 }
 
diff --git a/src/cmd/chunk.rs b/src/cmd/chunk.rs
index 445d23f..293de20 100644
--- a/src/cmd/chunk.rs
+++ b/src/cmd/chunk.rs
@@ -5,22 +5,19 @@ use crate::chunkmeta::ChunkMeta;
 use crate::cipher::CipherEngine;
 use crate::config::ClientConfig;
 use crate::error::ObnamError;
+use clap::Parser;
 use std::path::PathBuf;
-use structopt::StructOpt;
 
 /// Encrypt a chunk.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct EncryptChunk {
     /// The name of the file containing the cleartext chunk.
-    #[structopt(parse(from_os_str))]
     filename: PathBuf,
 
     /// Name of file where to write the encrypted chunk.
-    #[structopt(parse(from_os_str))]
     output: PathBuf,
 
     /// Chunk metadata as JSON.
-    #[structopt()]
     json: String,
 }
 
@@ -43,18 +40,15 @@ impl EncryptChunk {
 }
 
 /// Decrypt a chunk.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct DecryptChunk {
     /// Name of file containing encrypted chunk.
-    #[structopt(parse(from_os_str))]
     filename: PathBuf,
 
     /// Name of file where to write the cleartext chunk.
-    #[structopt(parse(from_os_str))]
     output: PathBuf,
 
     /// Chunk metadata as JSON.
-    #[structopt()]
     json: String,
 }
 
diff --git a/src/cmd/chunkify.rs b/src/cmd/chunkify.rs
index e2ce05f..91cb0be 100644
--- a/src/cmd/chunkify.rs
+++ b/src/cmd/chunkify.rs
@@ -4,10 +4,10 @@ use crate::config::ClientConfig;
 use crate::engine::Engine;
 use crate::error::ObnamError;
 use crate::workqueue::WorkQueue;
+use clap::Parser;
 use serde::Serialize;
 use sha2::{Digest, Sha256};
 use std::path::PathBuf;
-use structopt::StructOpt;
 use tokio::fs::File;
 use tokio::io::{AsyncReadExt, BufReader};
 use tokio::runtime::Runtime;
@@ -18,7 +18,7 @@ use tokio::sync::mpsc;
 const Q: usize = 8;
 
 /// Split files into chunks and show their metadata.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct Chunkify {
     /// Names of files to split into chunks.
     filenames: Vec<PathBuf>,
diff --git a/src/cmd/gen_info.rs b/src/cmd/gen_info.rs
index 0aec103..901a0ae 100644
--- a/src/cmd/gen_info.rs
+++ b/src/cmd/gen_info.rs
@@ -4,16 +4,15 @@ use crate::chunk::ClientTrust;
 use crate::client::BackupClient;
 use crate::config::ClientConfig;
 use crate::error::ObnamError;
+use clap::Parser;
 use log::info;
-use structopt::StructOpt;
 use tempfile::NamedTempFile;
 use tokio::runtime::Runtime;
 
 /// Show metadata for a generation.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct GenInfo {
     /// Reference of the generation.
-    #[structopt()]
     gen_ref: String,
 }
 
diff --git a/src/cmd/get_chunk.rs b/src/cmd/get_chunk.rs
index 0b27084..1561492 100644
--- a/src/cmd/get_chunk.rs
+++ b/src/cmd/get_chunk.rs
@@ -4,15 +4,14 @@ use crate::chunkid::ChunkId;
 use crate::client::BackupClient;
 use crate::config::ClientConfig;
 use crate::error::ObnamError;
+use clap::Parser;
 use std::io::{stdout, Write};
-use structopt::StructOpt;
 use tokio::runtime::Runtime;
 
 /// Fetch a chunk from the server.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct GetChunk {
     /// Identifier of chunk to fetch.
-    #[structopt()]
     chunk_id: String,
 }
 
diff --git a/src/cmd/init.rs b/src/cmd/init.rs
index 8e555ca..1310f66 100644
--- a/src/cmd/init.rs
+++ b/src/cmd/init.rs
@@ -3,15 +3,15 @@
 use crate::config::ClientConfig;
 use crate::error::ObnamError;
 use crate::passwords::{passwords_filename, Passwords};
-use structopt::StructOpt;
+use clap::Parser;
 
 const PROMPT: &str = "Obnam passphrase: ";
 
 /// Initialize client by setting passwords.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct Init {
     /// Only for testing.
-    #[structopt(long)]
+    #[clap(long)]
     insecure_passphrase: Option<String>,
 }
 
diff --git a/src/cmd/inspect.rs b/src/cmd/inspect.rs
index 02801ae..3b41075 100644
--- a/src/cmd/inspect.rs
+++ b/src/cmd/inspect.rs
@@ -6,16 +6,15 @@ use crate::client::BackupClient;
 use crate::config::ClientConfig;
 use crate::error::ObnamError;
 
+use clap::Parser;
 use log::info;
-use structopt::StructOpt;
 use tempfile::NamedTempFile;
 use tokio::runtime::Runtime;
 
 /// Make a backup.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct Inspect {
     /// Reference to generation to inspect.
-    #[structopt()]
     gen_id: String,
 }
 
diff --git a/src/cmd/list.rs b/src/cmd/list.rs
index bbb9c91..8bc6978 100644
--- a/src/cmd/list.rs
+++ b/src/cmd/list.rs
@@ -4,11 +4,11 @@ use crate::chunk::ClientTrust;
 use crate::client::BackupClient;
 use crate::config::ClientConfig;
 use crate::error::ObnamError;
-use structopt::StructOpt;
+use clap::Parser;
 use tokio::runtime::Runtime;
 
 /// List generations on the server.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct List {}
 
 impl List {
diff --git a/src/cmd/list_backup_versions.rs b/src/cmd/list_backup_versions.rs
index 859d91c..c78ccfc 100644
--- a/src/cmd/list_backup_versions.rs
+++ b/src/cmd/list_backup_versions.rs
@@ -4,13 +4,13 @@ use crate::config::ClientConfig;
 use crate::dbgen::{schema_version, DEFAULT_SCHEMA_MAJOR, SCHEMA_MAJORS};
 use crate::error::ObnamError;
 
-use structopt::StructOpt;
+use clap::Parser;
 
 /// List supported backup schema versions.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct ListSchemaVersions {
     /// List only the default version.
-    #[structopt(long)]
+    #[clap(long)]
     default_only: bool,
 }
 
diff --git a/src/cmd/list_files.rs b/src/cmd/list_files.rs
index fb4764d..e8276cd 100644
--- a/src/cmd/list_files.rs
+++ b/src/cmd/list_files.rs
@@ -6,15 +6,15 @@ use crate::client::BackupClient;
 use crate::config::ClientConfig;
 use crate::error::ObnamError;
 use crate::fsentry::{FilesystemEntry, FilesystemKind};
-use structopt::StructOpt;
+use clap::Parser;
 use tempfile::NamedTempFile;
 use tokio::runtime::Runtime;
 
 /// List files in a backup.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct ListFiles {
     /// Reference to backup to list files in.
-    #[structopt(default_value = "latest")]
+    #[clap(default_value = "latest")]
     gen_id: String,
 }
 
diff --git a/src/cmd/resolve.rs b/src/cmd/resolve.rs
index 12432cc..a7774d7 100644
--- a/src/cmd/resolve.rs
+++ b/src/cmd/resolve.rs
@@ -4,11 +4,11 @@ use crate::chunk::ClientTrust;
 use crate::client::BackupClient;
 use crate::config::ClientConfig;
 use crate::error::ObnamError;
-use structopt::StructOpt;
+use clap::Parser;
 use tokio::runtime::Runtime;
 
 /// Resolve a generation reference into a generation id.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct Resolve {
     /// The generation reference.
     generation: String,
diff --git a/src/cmd/restore.rs b/src/cmd/restore.rs
index 223d481..c4c06d2 100644
--- a/src/cmd/restore.rs
+++ b/src/cmd/restore.rs
@@ -9,6 +9,7 @@ use crate::dbgen::FileId;
 use crate::error::ObnamError;
 use crate::fsentry::{FilesystemEntry, FilesystemKind};
 use crate::generation::{LocalGeneration, LocalGenerationError};
+use clap::Parser;
 use indicatif::{ProgressBar, ProgressStyle};
 use libc::{chmod, mkfifo, timespec, utimensat, AT_FDCWD, AT_SYMLINK_NOFOLLOW};
 use log::{debug, error, info};
@@ -20,19 +21,16 @@ use std::os::unix::fs::symlink;
 use std::os::unix::net::UnixListener;
 use std::path::StripPrefixError;
 use std::path::{Path, PathBuf};
-use structopt::StructOpt;
 use tempfile::NamedTempFile;
 use tokio::runtime::Runtime;
 
 /// Restore a backup.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct Restore {
     /// Reference to generation to restore.
-    #[structopt()]
     gen_id: String,
 
     /// Path to directory where restored files are written.
-    #[structopt(parse(from_os_str))]
     to: PathBuf,
 }
 
diff --git a/src/cmd/show_config.rs b/src/cmd/show_config.rs
index 7ac52ec..8e0ce30 100644
--- a/src/cmd/show_config.rs
+++ b/src/cmd/show_config.rs
@@ -2,10 +2,10 @@
 
 use crate::config::ClientConfig;
 use crate::error::ObnamError;
-use structopt::StructOpt;
+use clap::Parser;
 
 /// Show actual client configuration.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct ShowConfig {}
 
 impl ShowConfig {
diff --git a/src/cmd/show_gen.rs b/src/cmd/show_gen.rs
index f47a07b..95d3fd3 100644
--- a/src/cmd/show_gen.rs
+++ b/src/cmd/show_gen.rs
@@ -7,17 +7,17 @@ use crate::db::DbInt;
 use crate::error::ObnamError;
 use crate::fsentry::FilesystemKind;
 use crate::generation::GenId;
+use clap::Parser;
 use indicatif::HumanBytes;
 use serde::Serialize;
-use structopt::StructOpt;
 use tempfile::NamedTempFile;
 use tokio::runtime::Runtime;
 
 /// Show information about a generation.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct ShowGeneration {
     /// Reference to the generation. Defaults to latest.
-    #[structopt(default_value = "latest")]
+    #[clap(default_value = "latest")]
     gen_id: String,
 }