lib/pb-protocol: Add PB_PROTOCOL_ACTION_AUTHENTICATE
[petitboot] / version.sh
index 4d96d11250beb4351c1d9a190f27533c6383116f..bf91f707147d90c086c49bf51b39b80c2e4be3f7 100755 (executable)
@@ -5,23 +5,42 @@
 version=
 datefmt='%Y%m%d'
 
-if head=$(git rev-parse --short=8 --verify HEAD 2>/dev/null); then
-
-       # If available, use the git commit revision for the package version,
-       # and add a date prefix for easy comparisons.
+export GIT_DIR=$(dirname $0)/.git/
 
-       date=$(git log --pretty=format:"%ct" -1 HEAD)
+if head=$(git rev-parse --short=8 --verify HEAD 2>/dev/null); then
 
        suffix=''
-       # Add a '-dirty' postfix for uncommitted changes.
+       # Add a '-dirty' suffix for uncommitted changes.
        if git diff-index HEAD | read dummy; then
                suffix=-dirty
        fi
 
-       version=$(printf "%($datefmt)T-g%s%s" ${date} ${head} ${suffix})
+       if tag=$(git describe --tags --exact-match 2>/dev/null); then
+               # use a tag; remove any 'v' prefix from v<VERSION> tags
+               tag=${tag#v}
+               version=$(printf "%s%s" ${tag} ${suffix})
+       else
+               # Use the git commit revision for the package version, and add
+               # a date prefix for easy comparisons.
+               date=$(git log --pretty=format:"%ct" -1 HEAD)
+               version=$(printf "%($datefmt)T.g%s%s" ${date} ${head} ${suffix})
+       fi
 else
-       # Default to current date and time.
-       version="$(date +dev-$datefmt)"
+       # Check if a specific version is set, eg: by buildroot
+       if [ ! -z "$PETITBOOT_VERSION" ];
+       then
+               # Full git hash
+               len=$(echo -n "${PETITBOOT_VERSION}" | wc -c)
+               if [[ ${len} == 40 ]]; then
+                       version=`echo -n ${PETITBOOT_VERSION} | \
+                               sed "s/^\([0-9a-f]\{7\}\).*/\1/;"`
+               else
+                       version="$PETITBOOT_VERSION"
+               fi
+       else
+               # Default to current date and time.
+               version="$(date +dev.$datefmt)"
+       fi
 fi
 
 echo $version