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| author | Felix Fietkau <nbd@openwrt.org> | 2016-01-31 23:29:07 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2016-01-31 23:29:07 +0000 |
| commit | 82522dbaee8cd5f94267ebf465e36d594e4d2d7a (patch) | |
| tree | 55e38cbaf9c180aa794549777d4f640315bbdf87 | |
| parent | 2f14514a12f708fecbe786e028fb9e3c542907da (diff) | |
| download | upstream-82522dbaee8cd5f94267ebf465e36d594e4d2d7a.tar.gz upstream-82522dbaee8cd5f94267ebf465e36d594e4d2d7a.tar.bz2 upstream-82522dbaee8cd5f94267ebf465e36d594e4d2d7a.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>
SVN-Revision: 48584
| -rw-r--r-- | include/toplevel.mk | 1 | ||||
| -rwxr-xr-x | scripts/get_source_date_epoch.sh | 31 |
2 files changed, 32 insertions, 0 deletions
diff --git a/include/toplevel.mk b/include/toplevel.mk index 0cba07c6e6..97093021ba 100644 --- a/include/toplevel.mk +++ b/include/toplevel.mk @@ -24,6 +24,7 @@ export RELEASE export REVISION export GIT_CONFIG_PARAMETERS='core.autocrlf=false' export MAKE_JOBSERVER=$(filter --jobserver%,$(MAKEFLAGS)) +export SOURCE_DATE_EPOCH:=$(shell $(TOPDIR)/scripts/get_source_date_epoch.sh) # prevent perforce from messing with the patch utility unexport P4PORT P4USER P4CONFIG P4CLIENT diff --git a/scripts/get_source_date_epoch.sh b/scripts/get_source_date_epoch.sh new file mode 100755 index 0000000000..b8efb761d0 --- /dev/null +++ b/scripts/get_source_date_epoch.sh @@ -0,0 +1,31 @@ +#!/usr/bin/env bash +export LANG=C +export LC_ALL=C +[ -n "$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" |