scripts/getver.sh

   1 #!/usr/bin/env bash
   2 export LANG=C
   3 export LC_ALL=C
   4 [ -n "$TOPDIR" ] && cd $TOPDIR
   5
   6 try_version() {
   7         [ -f version ] || return 1
   8         REV="$(cat version)"
   9         [ -n "$REV" ]
  10 }
  11
  12 try_git() {
  13         git rev-parse --git-dir >/dev/null 2>&1 || return 1
  14         REV="$(git describe --match reboot | sed "s/reboot-\([0-9]*\)-.*/\1/g")"
  15         REV="${REV:+r$REV}"
  16         [ -n "$REV" ]
  17 }
  18
  19 try_hg() {
  20         [ -d .hg ] || return 1
  21         REV="$(hg log -r-1 --template '{desc}' | awk '{print $2}' | sed 's/\].*//')"
  22         REV="${REV:+r$REV}"
  23         [ -n "$REV" ]
  24 }
  25
  26 try_version || try_git || try_hg || REV="unknown"
  27 echo "$REV"