commit - eecd67b5a7cff02681a5ee7e5d56ad7306c94bb7
commit + 160315b4b9378dd1e6e2a4f59097b2f46979da38
blob - d479c82864b4847f8bf68f0fb15c8877d256e3e4
blob + 601775c00272aebd8c3263d97b2767108ea7a385
--- hack/release
+++ hack/release
@@ -23,16 +23,10 @@ update_version_file() {
 
 command -v git >/dev/null 2>&1 || die "git not found"
 
-usage="usage: $(basename "$0") current | <version> [--push]"
+current=$(git tag --list 'v[0-9]*' --sort=-v:refname | head -n1)
+current=${current#v}
+usage="$(basename "$0") <version> [--push] (${current:-none})"
 
-if [ "${1:-}" = "current" ]; then
-	[ "$#" -eq 1 ] || die "$usage"
-	latest=$(git tag --list 'v[0-9]*' --sort=-v:refname | head -n1)
-	[ -n "$latest" ] || die "no release tags yet"
-	echo "${latest#v}"
-	exit 0
-fi
-
 version=""
 push=0
 for arg in "$@"; do
@@ -50,11 +44,6 @@ done
 echo "$version" | grep -qE '^[0-9]+\.[0-9]+\.[0-9]+([-+][0-9A-Za-z.-]+)*$' ||
 	die "'$version' is not a semantic version"
 
-if [ "$push" -eq 0 ]; then
-	echo "would release v$version"
-	exit 0
-fi
-
 [ "$(git rev-parse --abbrev-ref HEAD)" = "$BRANCH" ] || die "not on $BRANCH branch"
 [ -z "$(git status --porcelain)" ] || die "working tree is dirty"
 git rev-parse -q --verify "refs/tags/v$version" >/dev/null 2>&1 && die "tag v$version already exists"
@@ -63,4 +52,7 @@ update_version_file "$version"
 
 git commit -m "release: v$version"
 git tag -a "v$version" -m "v$version"
-git push "$REMOTE" "$BRANCH" --follow-tags
+
+if [ "$push" -eq 1 ]; then
+	git push "$REMOTE" "$BRANCH" --follow-tags
+fi