X-Git-Url: https://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=version.sh;h=4f6f8619502917ca8b4cd02b022cf49025272f08;hp=4d96d11250beb4351c1d9a190f27533c6383116f;hb=a5dad9c05cd72820e64e0461889e9e77eaf8202d;hpb=5a3a05b2b0c0d417a2a5ab57a0caaa0e6b7a26af

diff --git a/version.sh b/version.sh
index 4d96d11..4f6f861 100755
--- a/version.sh
+++ b/version.sh
@@ -5,20 +5,26 @@
 version=
 datefmt='%Y%m%d'
 
-if head=$(git rev-parse --short=8 --verify HEAD 2>/dev/null); then
-
-	# If available, use the git commit revision for the package version,
-	# and add a date prefix for easy comparisons.
+export GIT_DIR=$(basename $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)"