$ git clone -n https://src.fedoraproject.org/rpms/flameshot.git /var/lib/mock/f39-build-1577143-37955/root/chroot_tmpdir/scmroot/flameshot
Cloning into '/var/lib/mock/f39-build-1577143-37955/root/chroot_tmpdir/scmroot/flameshot'...
$ git fetch origin 842c15b9c5862fb61056fd628dbe323e1ef02abf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flameshot
 * [new ref]         842c15b9c5862fb61056fd628dbe323e1ef02abf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 842c15b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild