$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-recog.git /var/lib/mock/f39-build-1585866-38155/root/chroot_tmpdir/scmroot/gap-pkg-recog
Cloning into '/var/lib/mock/f39-build-1585866-38155/root/chroot_tmpdir/scmroot/gap-pkg-recog'...
$ git fetch origin 1c757fe9f22719e335af29874269bad22721ef65:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-recog
 * [new ref]         1c757fe9f22719e335af29874269bad22721ef65 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c757fe Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild