From 83ac0e15f8df240468992b58aa8568152998af17 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Sun, 24 Jan 2021 11:16:31 +0200
Subject: release: add script to build a release Debian package

---
 build_release_deb.sh | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100755 build_release_deb.sh

diff --git a/build_release_deb.sh b/build_release_deb.sh
new file mode 100755
index 0000000..ec99556
--- /dev/null
+++ b/build_release_deb.sh
@@ -0,0 +1,54 @@
+#!/bin/bash
+#
+# Build an Obnam release as a Debian .deb package. Usage:
+#
+#    ./build_release_deb.sh /workspace
+
+set -euo pipefail
+
+cleanup()
+{
+    rm -rf "$tmpdir"
+}
+
+if [ "$#" != 2 ]
+then
+    echo "ERROR: Usage: $0 TARGET-DIR GIT-TAG" 1>&2
+    exit 1
+fi
+
+target="$(cd "$1"; pwd)"
+tag="$2"
+
+# Create a temporary directory and arrange for it to be deleted at the
+# end.
+tmpdir="$(mktemp -d)"
+echo "$tmpdir"
+trap cleanup EXIT
+
+# Export the tag to a temporary source tarball.
+git archive "$tag" | xz > "$tmpdir/src.tar.xz"
+
+# Unpack the temporary source tarball to a new source tree.
+mkdir "$tmpdir/src"
+tar -C "$tmpdir/src" -xf "$tmpdir/src.tar.xz"
+
+# Switch to the new source tree.
+cd "$tmpdir/src"
+
+# Get name and version of source package.
+name="$(dpkg-parsechangelog -SSource)"
+version="$(dpkg-parsechangelog -SVersion)"
+
+# Get upstream version: everything before the last dash.
+uv="$(echo "$version" | sed 's/-[^-]*$//')"
+orig="${name}_${uv}.orig.tar.xz"
+
+# Rename the source tarball to what dpkg-buildpackage wants.
+mv ../src.tar.xz "../$orig"
+
+# Build the package.
+dpkg-buildpackage -us -uc
+
+# Copy the results to the desired location.
+cp ../*_* "$target"
-- 
cgit v1.2.1