GitHub Actions: build and test grml-debootstrap in PRs

[grml-debootstrap.git] / tests / docker-build-deb.sh

diff --git a/tests/docker-build-deb.sh b/tests/docker-build-deb.sh
new file mode 100755 (executable)
index 0000000..f9a8c8d
--- /dev/null
+++ b/tests/docker-build-deb.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Build a grml-debootstrap.deb.
+# To be run inside docker, as this script assumes it can modify the running OS.
+
+set -eu -o pipefail
+set -x
+
+if [ "${1:-}" != "--autobuild" ]; then
+  echo "$0: Only intended for CI scenarios, will destroy source files and modify running OS." >&2
+  exit 1
+fi
+BUILD_NUMBER="${2:-}"
+if [ -z "$BUILD_NUMBER" ]; then
+  echo "$0: missing build number in arguments" >&2
+  exit 1
+fi
+
+apt-get update
+apt-get install --no-install-recommends -y build-essential devscripts equivs
+
+SOURCEDIR=$PWD
+
+cd /tmp
+mk-build-deps -ir -t 'apt-get -o Debug::pkgProblemResolver=yes --no-install-recommends -y' "$SOURCEDIR"/debian/control
+
+dpkg-source -b "$SOURCEDIR"
+dpkg-source -x ./*.dsc builddir
+cd builddir
+
+OLD_VERSION=$(dpkg-parsechangelog -SVersion)
+
+cat > debian/changelog <<EOT
+grml-debootstrap (${OLD_VERSION}+autobuild${BUILD_NUMBER}) UNRELEASED; urgency=medium
+
+  * Automated Build
+
+ -- Automated Build <builder@localhost>  $(date -R)
+EOT
+
+dpkg-buildpackage -b --no-sign
+
+mv ../*deb "$SOURCEDIR"/