3 # version.sh: create a version string for use by configure.ac
8 export GIT_DIR=$(basename $0)/.git/
10 if head=$(git rev-parse --short=8 --verify HEAD 2>/dev/null); then
13 # Add a '-dirty' suffix for uncommitted changes.
14 if git diff-index HEAD | read dummy; then
18 if tag=$(git describe --tags --exact-match 2>/dev/null); then
19 # use a tag; remove any 'v' prefix from v<VERSION> tags
21 version=$(printf "%s%s" ${tag} ${suffix})
23 # Use the git commit revision for the package version, and add
24 # a date prefix for easy comparisons.
25 date=$(git log --pretty=format:"%ct" -1 HEAD)
26 version=$(printf "%($datefmt)T.g%s%s" ${date} ${head} ${suffix})
29 # Default to current date and time.
30 version="$(date +dev.$datefmt)"