1#!/bin/sh 2# Print additional version information for non-release trees. 3 4usage() { 5 echo "Usage: $0 [srctree]" >&2 6 exit 1 7} 8 9cd "${1:-.}" || usage 10 11# Check for git and a git repo. 12if 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 git describe | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}' 16 fi 17 18 # Are there uncommitted changes? 19 git update-index --refresh --unmerged > /dev/null 20 if git diff-index HEAD | read dummy; then 21 printf '%s' -dirty 22 fi 23 24 # All done with git 25 exit 26fi 27 28# Check for mercurial and a mercurial repo. 29if hgid=`hg id 2>/dev/null`; then 30 tag=`printf '%s' "$hgid" | cut -d' ' -f2` 31 32 # Do we have an untagged version? 33 if [ -z "$tag" -o "$tag" = tip ]; then 34 id=`printf '%s' "$hgid" | sed 's/[+ ].*//'` 35 printf '%s%s' -hg "$id" 36 fi 37 38 # Are there uncommitted changes? 39 # These are represented by + after the changeset id. 40 case "$hgid" in 41 *+|*+\ *) printf '%s' -dirty ;; 42 esac 43 44 # All done with mercurial 45 exit 46fi 47