$ git clone -n https://src.fedoraproject.org/rpms/golang-google-appengine.git /var/lib/mock/f40-build-2595696-62745/root/chroot_tmpdir/scmroot/golang-google-appengine
Cloning into '/var/lib/mock/f40-build-2595696-62745/root/chroot_tmpdir/scmroot/golang-google-appengine'...
$ git fetch origin 319722c43bd8fb40eaaf11cbfd5fe49be4aa6781:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-google-appengine
 * [new ref]         319722c43bd8fb40eaaf11cbfd5fe49be4aa6781 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 319722c Rebuild for golang 1.22.0