$ git clone -n https://src.fedoraproject.org/rpms/apptainer.git /var/lib/mock/f39-build-1696856-41181/root/chroot_tmpdir/scmroot/apptainer
Cloning into '/var/lib/mock/f39-build-1696856-41181/root/chroot_tmpdir/scmroot/apptainer'...
$ git fetch origin b772982b2297fa3192236aa8bd9e2997eeb5bfc9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apptainer
 * [new ref]         b772982b2297fa3192236aa8bd9e2997eeb5bfc9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b772982 update to 1.2.4