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author | Felix Fietkau <nbd@openwrt.org> | 2016-01-31 23:29:07 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2016-01-31 23:29:07 +0000 |
commit | 695d68c07de840d904af5cd9dac6cb4984814e72 (patch) | |
tree | fc89905a660fdec3686d88535bd493fc0f4e8773 /scripts | |
parent | c07b5ec4fc3e4d61775cfc2ed473a00e2752fe4a (diff) | |
download | master-187ad058-695d68c07de840d904af5cd9dac6cb4984814e72.tar.gz master-187ad058-695d68c07de840d904af5cd9dac6cb4984814e72.tar.bz2 master-187ad058-695d68c07de840d904af5cd9dac6cb4984814e72.zip |
build: introduce SOURCE_DATE_EPOCH variable
SOURCE_DATE_EPOCH is the date of the last modified file using git/svn
as date source.
See https://reproducible-builds.org/specs/source-date-epoch/
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@48584 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'scripts')
-rwxr-xr-x | scripts/get_source_date_epoch.sh | 31 |
1 files changed, 31 insertions, 0 deletions
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" |