guix: fix githash

diff --git a/contrib/guix/libexec/build.sh b/contrib/guix/libexec/build.sh
index 4bc23a8417c5559e8f4c0605e8d4e6c713a61e6b..0889551db83ca08b54921e495f54ce2327d22fd6 100755 (executable)
--- a/contrib/guix/libexec/build.sh
+++ b/contrib/guix/libexec/build.sh
@@ -230,7 +230,7 @@ GIT_ARCHIVE="${DIST_ARCHIVE_BASE}/${DISTNAME}.tar.gz"
 # Create the source tarball if not already there
 if [ ! -e "$GIT_ARCHIVE" ]; then
     mkdir -p "$(dirname "$GIT_ARCHIVE")"
-    echo "$(git_head_version)" > githash.txt
+    git rev-parse --short=12 HEAD > githash.txt
     ( git ls-files --recurse-submodules ; echo "githash.txt" ) | cat | tar --transform 's,^,$DISTNAME/,' -caf ${GIT_ARCHIVE} -T-
     sha256sum "$GIT_ARCHIVE"
 fi