$ git clone -n https://src.fedoraproject.org/rpms/python-colander.git /var/lib/mock/f39-build-1615212-38638/root/chroot_tmpdir/scmroot/python-colander
Cloning into '/var/lib/mock/f39-build-1615212-38638/root/chroot_tmpdir/scmroot/python-colander'...
$ git fetch origin 7b4d1b432824e32ca48705635ea266779ed586ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-colander
 * [new ref]         7b4d1b432824e32ca48705635ea266779ed586ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b4d1b4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild