script: ipkg-build: honour $SOURCE_DATE_EPOCH

[openwrt/openwrt.git] / scripts / ipkg-build

diff --git a/scripts/ipkg-build b/scripts/ipkg-build
index e026c7a157bd75189b72f035d71ea0569e84870c..d38ba20af30cee4b0843c64b40f5f101e218d411 100755 (executable)
--- a/scripts/ipkg-build
+++ b/scripts/ipkg-build
@@ -13,14 +13,18 @@ version=1.0
 FIND="$(which find)"
 FIND="${FIND:-$(which gfind)}"
 TAR="${TAR:-$(which tar)}"
-SVN="$(which svn)"
-GIT="$(which git)"
 GZIP="$(which gzip)"
 
+# try to use fixed source epoch
+if [ -n "$SOURCE_DATE_EPOCH" ]; then
+       TIMESTAMP=$(date --date="@$SOURCE_DATE_EPOCH")
+
 # look up date of last commit
-if [ -d "$TOPDIR/.git" ]; then
+elif [ -d "$TOPDIR/.git" ]; then
+       GIT="$(which git)"
        TIMESTAMP=$(cd $TOPDIR; $GIT log -1 -s --format=%ci)
 elif [ -d "$TOPDIR/.svn" ]; then
+       SVN="$(which svn)"
        TIMESTAMP=$($SVN info "$TOPDIR" | sed -n "s/^Last Changed Date: \(.*\)/\1/p")
 else
        TIMESTAMP=$(date)