$ git clone -n https://src.fedoraproject.org/rpms/kchmviewer.git /var/lib/mock/f41-build-854516-166886/root/chroot_tmpdir/scmroot/kchmviewer
Cloning into '/var/lib/mock/f41-build-854516-166886/root/chroot_tmpdir/scmroot/kchmviewer'...
$ git fetch origin 18058cd4d4da68db20b964b24dfb0d51f8a5ca27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kchmviewer
 * [new ref]         18058cd4d4da68db20b964b24dfb0d51f8a5ca27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18058cd Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild