3 # version.sh: create a version string for use by configure.ac
8 export GIT_DIR=$(dirname $0)/.git/
10 if head=$(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} ${suffix})
29 # Check if a specific version is set, eg: by buildroot
30 if [ ! -z "$PETITBOOT_VERSION" ];
33 len=$(echo -n "${PETITBOOT_VERSION}" | wc -c)
34 if [[ ${len} == 40 ]]; then
35 version=`echo -n ${PETITBOOT_VERSION} | \
36 sed "s/^\([0-9a-f]\{7\}\).*/\1/;"`
38 version="$PETITBOOT_VERSION"
41 # Default to current date and time.
42 version="$(date +dev.$datefmt)"