Initial commit

etckeeper/post-install.d/50vcs-commit

@@ -0,0 +1,43 @@
+#!/bin/sh
+set -e
+
+pl="/var/cache/etckeeper/packagelist"
+
+# Parent process is etckeeper
+# (Only procps ps is currently supported, others will fail,
+# so this may end up empty.)
+ETCKEEPER_PID=$( ps --no-headers -o ppid "${PPID}" 2>/dev/null | sed 's/^ *//' )
+
+# Find the parent of etckeeper and get the command line of the process
+if ! [ -z "${ETCKEEPER_PID}" ]; then
+	ETCKEEPER_PPID=$( ps --no-headers -o ppid "${ETCKEEPER_PID}" | sed 's/^ *//' )
+	ETCKEEPER_PARENT_COMMAND_LINE=$( ps --no-headers -o args "${ETCKEEPER_PPID}" )
+fi
+
+if etckeeper unclean; then
+	if [ -z "${ETCKEEPER_PARENT_COMMAND_LINE}" ]; then
+		message="committing changes in /etc after $HIGHLEVEL_PACKAGE_MANAGER run"
+	else
+		message="committing changes in /etc made by \"$ETCKEEPER_PARENT_COMMAND_LINE\""
+	fi
+
+	set +e
+	if [ -e $pl.pre-install ] && [ "$(cat $pl.fmt 2>/dev/null || true)" = "$(etckeeper list-installed fmt)" ]; then
+		(
+			echo "$message"
+			echo
+			echo "Package changes:"
+			etckeeper list-installed | diff -U0 $pl.pre-install - | tail -n+4 | egrep '^[-+]' || true
+		) | etckeeper commit --stdin
+	else
+		etckeeper commit "$(printf "$message")"
+	fi
+	status=$?
+	set -e
+
+	if [ "$status" != 0 ]; then
+		echo "warning: etckeeper failed to commit changes in /etc using $VCS" >&2
+	fi
+fi
+
+rm -f $pl.pre-install $pl.fmt