Fix minor "git log" usage issue

tianon · tianon · commit fc445dc0b539 · 2014-11-25T22:04:02.000-07:00
diff --git a/generate-stackbrew-library.sh b/generate-stackbrew-library.sh
@@ -16,7 +16,7 @@ url='git://github.com/docker-library/postgres'
 echo '# maintainer: InfoSiftr <github@infosiftr.com> (@infosiftr)'
 
 for version in "${versions[@]}"; do
-	commit="$(git log -1 --format='format:%H' "$version")"
+	commit="$(git log -1 --format='format:%H' -- "$version")"
 	fullVersion="$(grep -m1 'ENV PG_VERSION ' "$version/Dockerfile" | cut -d' ' -f3 | cut -d- -f1 | sed 's/~/-/g')"
 	versionAliases=( $fullVersion $version ${aliases[$version]} )
 	
