2 # Print additional version information for non-release trees.
5 echo "Usage: $0 [srctree]" >&2
11 # Check for git and a git repo.
12 if head=`git rev-parse --verify HEAD 2>/dev/null`; then
13 # Do we have an untagged version?
14 if git name-rev --tags HEAD | grep -E '^HEAD[[:space:]]+(.*~[0-9]*|undefined)$' > /dev/null; then
15 printf '%s%s' -g `echo "$head" | cut -c1-8`
18 # Are there uncommitted changes?
19 if git diff-index HEAD | read dummy; then
27 # Check for mercurial and a mercurial repo.
28 if hgid=`hg id 2>/dev/null`; then
29 tag=`printf '%s' "$hgid" | cut -d' ' -f2`
31 # Do we have an untagged version?
32 if [ -z "$tag" -o "$tag" = tip ]; then
33 id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
34 printf '%s%s' -hg "$id"
37 # Are there uncommitted changes?
38 # These are represented by + after the changeset id.
40 *+|*+\ *) printf '%s' -dirty ;;
43 # All done with mercurial