1 files changed, 29 insertions, 0 deletions
diff --git a/mkosi.images/system/mkosi.conf.d/10-arch/mkosi.prepare b/mkosi.images/system/mkosi.conf.d/10-arch/mkosi.prepare
new file mode 100755
index 0000000..fd78e81
--- /dev/null
+++ b/mkosi.images/system/mkosi.conf.d/10-arch/mkosi.prepare
@@ -0,0 +1,29 @@
+#!/bin/bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+set -e
+
+if [ "$1" = "build" ] || ((NO_BUILD)); then
+    exit 0
+fi
+
+# shellcheck source=/dev/null
+. "$BUILDROOT/usr/lib/os-release"
+
+if [ ! -f "pkg/$ID/PKGBUILD" ]; then
+    echo "PKGBUILD not found at pkg/$ID/PKGBUILD, run mkosi once with -ff to make sure the PKGBUILD is cloned" >&2
+    exit 1
+fi
+
+# We get depends and optdepends from .SRCINFO as getting them from the PKGBUILD is rather complex.
+sed --expression 's/^[ \t]*//' "pkg/$ID/.SRCINFO" |
+    grep --regexp '^depends =' --regexp '^optdepends =' |
+    sed --expression 's/^depends = //' --expression 's/^optdepends = //' --expression 's/:.*//' --expression 's/=.*//' |
+    xargs --delimiter '\n' mkosi-install
+
+# We get makedepends from the PKGBUILD as .SRCINFO can't encode conditional dependencies depending on
+# whether some environment variable is set or not.
+# shellcheck source=/dev/null
+_systemd_UPSTREAM=1 . "pkg/$ID/PKGBUILD"
+
+# shellcheck disable=SC2154
+mkosi-install "${makedepends[@]}"