$ git clone -n https://src.fedoraproject.org/rpms/flameshot.git /var/lib/mock/f45-build-9007-397/root/chroot_tmpdir/scmroot/flameshot
Cloning into '/var/lib/mock/f45-build-9007-397/root/chroot_tmpdir/scmroot/flameshot'...
$ git fetch origin 7048daf8f723b9a37c611fa26be8dda4b610a1d6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flameshot
 * [new ref]         7048daf8f723b9a37c611fa26be8dda4b610a1d6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7048daf Update to 14.0.0