$ git clone -n https://src.fedoraproject.org/rpms/gcal.git /var/lib/mock/epel9-build-60921040-6585883/root/chroot_tmpdir/scmroot/gcal
Cloning into '/var/lib/mock/epel9-build-60921040-6585883/root/chroot_tmpdir/scmroot/gcal'...
$ git fetch origin a674f03c0a06c3bb048e8d59d48c2b16dfdccfda:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gcal
 * [new ref]         a674f03c0a06c3bb048e8d59d48c2b16dfdccfda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a674f03 Fix terminal library support in configure.ac