export REVISION
export GIT_CONFIG_PARAMETERS='core.autocrlf=false'
export MAKE_JOBSERVER=$(filter --jobserver%,$(MAKEFLAGS))
+export SOURCE_DATE_EPOCH:=$(shell $(TOPDIR)/scripts/get_source_date_epoch.sh)
# prevent perforce from messing with the patch utility
unexport P4PORT P4USER P4CONFIG P4CLIENT
--- /dev/null
+#!/usr/bin/env bash
+export LANG=C
+export LC_ALL=C
+[ -n "$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"