Adding upstream version 1.4.3.upstream/1.4.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 36 insertions, 0 deletions

diff --git a/hooks/maybe-merged-usr/essential00.sh b/hooks/maybe-merged-usr/essential00.sh
new file mode 100755
index 0000000..a23f2f7
--- /dev/null
+++ b/hooks/maybe-merged-usr/essential00.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+set -eu
+
+ver=$(dpkg-query --root="$1" -f '${db:Status-Status} ${Source} ${Version}' --show usr-is-merged 2>/dev/null || printf '')
+case "$ver" in
+	'')
+		echo "no package called usr-is-merged is installed -- not running merged-usr essential hook" >&2
+		exit 0
+		;;
+	'installed mmdebstrap-dummy-usr-is-merged 1')
+		echo "dummy usr-is-merged package installed -- running merged-usr essential hook" >&2
+		;;
+	'installed usrmerge '*)
+		echo "usr-is-merged package from src:usrmerge installed -- not running merged-usr essential hook" >&2
+		exit 0
+		;;
+	*)
+		echo "unexpected situation for package usr-is-merged: $ver" >&2
+		exit 1
+		;;
+esac
+
+# resolve the script path using several methods in order:
+#  1. using dirname -- "$0"
+#  2. using ./hooks
+#  3. using /usr/share/mmdebstrap/hooks/
+for p in "$(dirname -- "$0")/.." ./hooks /usr/share/mmdebstrap/hooks; do
+	if [ -x "$p/merged-usr/setup00.sh" ] && [ -x "$p/merged-usr/extract00.sh" ] && [ -x "$p/merged-usr/essential00.sh" ]; then
+		"$p/merged-usr/essential00.sh" "$1"
+		exit 0
+	fi
+done
+
+echo "cannot find merged-usr hook anywhere" >&2
+exit 1