From eccb45b085a5b0e930b29efbd74deaeb4e2b5b73 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Wed, 15 Sep 2021 08:25:56 +0300
Subject: test: handle user-chosen cargo target directory

Sponsored-by: author
---
 check           | 63 ++++++++++++++++++++++++++-------------------------------
 subplot/ewww.py | 14 +++++--------
 2 files changed, 34 insertions(+), 43 deletions(-)

diff --git a/check b/check
index 272ee63..ceffb0e 100755
--- a/check
+++ b/check
@@ -4,63 +4,58 @@ set -eu
 
 verbose=false
 moar=true
-while [ "$#" -gt 0 ] && $moar
-do
-    case "$1" in
+while [ "$#" -gt 0 ] && $moar; do
+	case "$1" in
 	verbose | -v | --verbose)
-	    verbose=true
-	    shift 1
-	    ;;
-    esac
+		verbose=true
+		shift 1
+		;;
+	esac
 done
 
 hideok=
-if command -v chronic > /dev/null
-then
-    hideok=chronic
+if command -v chronic >/dev/null; then
+	hideok=chronic
 fi
 quiet=-q
-if $verbose
-then
-    quiet=
-    hideok=
+if $verbose; then
+	quiet=
+	hideok=
 fi
 
-
 codegen() {
-    $hideok subplot codegen "$1" --output "$2"
-    rm -f test.log
-    $hideok python3 test.py --log test.log
+	target="$(cargo metadata --format-version=1 |
+		python3 -c 'import sys, json; o = json.load(sys.stdin); print(o["target_directory"])')"
+	$hideok subplot codegen "$1" --output "$2"
+	rm -f test.log
+	$hideok python3 test.py --log test.log --env "CARGO_TARGET_DIR=$target"
 }
 
 docgen() {
-    subplot docgen "$1" --output "$2"
+	subplot docgen "$1" --output "$2"
 }
 
 $hideok cargo build --all-targets
-if cargo --list | awk '{ print $1 }' | grep 'clippy$' > /dev/null
-then
-    # shellcheck disable=SC2086
-    cargo clippy $quiet
+if cargo --list | awk '{ print $1 }' | grep 'clippy$' >/dev/null; then
+	# shellcheck disable=SC2086
+	cargo clippy $quiet
 fi
 
 # shellcheck disable=SC2086
 $hideok cargo test $quiet
 
-if cargo fmt --help > /dev/null 2> /dev/null
-then
-    $hideok cargo fmt -- --check
+if cargo fmt --help >/dev/null 2>/dev/null; then
+	$hideok cargo fmt -- --check
 fi
 
-$hideok ./mktestcert test.key test.pem hunter2 
+$hideok ./mktestcert test.key test.pem hunter2
 
-for md in [^R]*.md
-do
-    $hideok echo "$md ====================================="
-    codegen "$md" test.py
-    docgen "$md" "$(basename "$md" .md).pdf"
-    docgen "$md" "$(basename "$md" .md).html"
-    $hideok echo
+for md in [^R]*.md; do
+	$hideok echo "$md ====================================="
+	codegen "$md" test.py
+	docgen "$md" "$(basename "$md" .md).pdf"
+	docgen "$md" "$(basename "$md" .md).html"
+	$hideok echo
 done
 
 echo "Everything seems to be in order."
diff --git a/subplot/ewww.py b/subplot/ewww.py
index a6c4c4f..11915ae 100644
--- a/subplot/ewww.py
+++ b/subplot/ewww.py
@@ -10,12 +10,6 @@ import urllib.parse
 import yaml
 
 
-# Name of Rust binary, debug-build.
-def _binary(name):
-    srcdir = globals()["srcdir"]
-    return os.path.abspath(os.path.join(srcdir, "target", "debug", name))
-
-
 # Write a file with given content.
 def _write(filename, content):
     open(filename, "w").write(content)
@@ -59,6 +53,7 @@ def copy_test_certificate(ctx, cert=None, key=None):
 # Start server using named configuration file.
 def start_server(ctx, filename=None):
     get_file = globals()["get_file"]
+    srcdir = globals()["srcdir"]
     daemon_start_on_port = globals()["daemon_start_on_port"]
 
     logging.debug(f"Starting ewww with config file {filename}")
@@ -72,9 +67,10 @@ def start_server(ctx, filename=None):
     config = yaml.safe_dump(config)
     _write(filename, config)
 
-    daemon_start_on_port(
-        ctx, path=_binary("ewww"), args=filename, name="ewww", port=port
-    )
+    target = os.environ.get("CARGO_TARGET_DIR", os.path.join(srcdir, "target"))
+    logging.debug(f"Cargo target directory: {target}")
+    binary = os.path.join(target, "debug", "ewww")
+    daemon_start_on_port(ctx, binary, args=filename, name="ewww", port=port)
 
 
 # Stop previously started server.
-- 
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