$ git clone -n https://src.fedoraproject.org/rpms/c2esp.git /var/lib/mock/f39-build-1630376-39622/root/chroot_tmpdir/scmroot/c2esp
Cloning into '/var/lib/mock/f39-build-1630376-39622/root/chroot_tmpdir/scmroot/c2esp'...
$ git fetch origin 0f4440af8ece64eebf880edefc63050ad49c8f02:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/c2esp
 * [new ref]         0f4440af8ece64eebf880edefc63050ad49c8f02 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f4440a SPDX migration