$ git clone -n https://src.fedoraproject.org/rpms/xmlcopyeditor.git /var/lib/mock/f40-build-780903-131370/root/chroot_tmpdir/scmroot/xmlcopyeditor
Cloning into '/var/lib/mock/f40-build-780903-131370/root/chroot_tmpdir/scmroot/xmlcopyeditor'...
$ git fetch origin 45dc56b01e7e6700d00f98d2c78f590ae7e277df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xmlcopyeditor
 * [new ref]         45dc56b01e7e6700d00f98d2c78f590ae7e277df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 45dc56b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild