X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=blobdiff_plain;f=scripts%2Fget_source_date_epoch.sh;fp=scripts%2Fget_source_date_epoch.sh;h=b8efb761d03e03139a2e5675fa0521d5ca2c5f31;hp=0000000000000000000000000000000000000000;hb=dd086973a8882fea569e08b8cce669f642eab891;hpb=28530115b69ec49dd77d55b0daddd42640f4ceb2

diff --git a/scripts/get_source_date_epoch.sh b/scripts/get_source_date_epoch.sh
new file mode 100755
index 0000000000..b8efb761d0
--- /dev/null
+++ b/scripts/get_source_date_epoch.sh
@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+export LANG=C
+export LC_ALL=C
+[ -n "$TOPDIR" ] && cd $TOPDIR
+
+try_version() {
+	[ -f version.date ] || return 1
+	SOURCE_DATE_EPOCH="$(cat version.date)"
+	[ -n "$SOURCE_DATE_EPOCH" ]
+}
+
+try_svn() {
+	[ -d .svn ] || return 1
+	SOURCE_DATE_EPOCH="$(./scripts/portable_date.sh "$(svn info --show-item last-changed-date)" +%s)"
+	[ -n "$SOURCE_DATE_EPOCH" ]
+}
+
+try_git() {
+	[ -e .git ] || return 1
+	SOURCE_DATE_EPOCH="$(git log -1 --format=format:%ct)"
+	[ -n "$SOURCE_DATE_EPOCH" ]
+}
+
+try_hg() {
+	[ -d .hg ] || return 1
+	SOURCE_DATE_EPOCH=""
+	[ -n "$SOURCE_DATE_EPOCH" ]
+}
+
+try_version || try_svn || try_git || try_hg || SOURCE_DATE_EPOCH=""
+echo "$SOURCE_DATE_EPOCH"