$ git clone -n https://src.fedoraproject.org/rpms/sdcc.git /var/lib/mock/f39-build-1658752-40608/root/chroot_tmpdir/scmroot/sdcc
Cloning into '/var/lib/mock/f39-build-1658752-40608/root/chroot_tmpdir/scmroot/sdcc'...
$ git fetch origin 6eb58d25cee36b78d773e952af9d17640911c6f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sdcc
 * [new ref]         6eb58d25cee36b78d773e952af9d17640911c6f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6eb58d2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild