$ git clone -n https://src.fedoraproject.org/rpms/gabedit.git /var/lib/mock/f42-build-3273668-41312/root/chroot_tmpdir/scmroot/gabedit
Cloning into '/var/lib/mock/f42-build-3273668-41312/root/chroot_tmpdir/scmroot/gabedit'...
$ git fetch origin 1e9217b35e7b7ebbdf0cb1200026dd9556a1713c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gabedit
 * [new ref]         1e9217b35e7b7ebbdf0cb1200026dd9556a1713c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e9217b C23: avoid bool keyword usage