X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=scripts%2Fget_source_date_epoch.sh;h=d122acf385326b18da4ac0be7a442c2f8c2d0806;hb=5fc28ef47959c1256f2553d507224bb481b08494;hp=ea8d930109ad00e2cbff2054e2369745993008b6;hpb=fa69553900516944fc43cf7b377105ea1f6d3db0;p=openwrt%2Fopenwrt.git

diff --git a/scripts/get_source_date_epoch.sh b/scripts/get_source_date_epoch.sh
index ea8d930109..d122acf385 100755
--- a/scripts/get_source_date_epoch.sh
+++ b/scripts/get_source_date_epoch.sh
@@ -1,25 +1,35 @@
 #!/usr/bin/env bash
 export LANG=C
 export LC_ALL=C
-[ -n "$TOPDIR" ] && cd $TOPDIR
+
+if [ -n "$TOPDIR" ]; then
+	cd "$TOPDIR" || exit 1
+fi
+
+SOURCE="${1:-.}"
 
 try_version() {
-	[ -f version.date ] || return 1
-	SOURCE_DATE_EPOCH="$(cat version.date)"
+	[ -f "$SOURCE/version.date" ] || return 1
+	SOURCE_DATE_EPOCH=$(cat "$SOURCE/version.date")
 	[ -n "$SOURCE_DATE_EPOCH" ]
 }
 
 try_git() {
-	[ -e .git ] || return 1
-	SOURCE_DATE_EPOCH="$(git log -1 --format=format:%ct)"
+	SOURCE_DATE_EPOCH=$(git -C "$SOURCE" log -1 --format=format:%ct \
+		"$SOURCE" 2>/dev/null)
 	[ -n "$SOURCE_DATE_EPOCH" ]
 }
 
 try_hg() {
-	[ -d .hg ] || return 1
-	SOURCE_DATE_EPOCH=""
+	SOURCE_DATE_EPOCH=$(hg --cwd "$SOURCE" log --template '{date}' -l 1 \
+		"$SOURCE" 2>/dev/null | cut -d. -f1)
+	[ -n "$SOURCE_DATE_EPOCH" ]
+}
+
+try_mtime() {
+	SOURCE_DATE_EPOCH=$(perl -e 'print((stat $ARGV[0])[9])' "$0")
 	[ -n "$SOURCE_DATE_EPOCH" ]
 }
 
-try_version || try_git || try_hg || SOURCE_DATE_EPOCH=""
+try_version || try_git || try_hg || try_mtime || SOURCE_DATE_EPOCH=""
 echo "$SOURCE_DATE_EPOCH"