4 [ -n "$TOPDIR" ] && cd $TOPDIR
7 [ -f version.
date ] ||
return 1
8 SOURCE_DATE_EPOCH
="$(cat version.date)"
9 [ -n "$SOURCE_DATE_EPOCH" ]
13 [ -d .svn
] ||
return 1
14 SOURCE_DATE_EPOCH
="$(./scripts/portable_date.sh "$
(svn info
--show-item last-changed-date
)" +%s)"
15 [ -n "$SOURCE_DATE_EPOCH" ]
19 [ -e .git
] ||
return 1
20 SOURCE_DATE_EPOCH
="$(git log -1 --format=format:%ct)"
21 [ -n "$SOURCE_DATE_EPOCH" ]
25 [ -d .hg
] ||
return 1
27 [ -n "$SOURCE_DATE_EPOCH" ]
30 try_version || try_svn || try_git || try_hg || SOURCE_DATE_EPOCH
=""
31 echo "$SOURCE_DATE_EPOCH"