$ git clone -n https://src.fedoraproject.org/rpms/flaw.git /var/lib/mock/f39-build-1460770-33227/root/chroot_tmpdir/scmroot/flaw
Cloning into '/var/lib/mock/f39-build-1460770-33227/root/chroot_tmpdir/scmroot/flaw'...
$ git fetch origin 21c30f1a552cb051aa379b94c2664b667606f31c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flaw
 * [new ref]         21c30f1a552cb051aa379b94c2664b667606f31c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21c30f1 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild