$ git clone -n https://src.fedoraproject.org/rpms/darcs.git /var/lib/mock/f41-build-828083-155539/root/chroot_tmpdir/scmroot/darcs
Cloning into '/var/lib/mock/f41-build-828083-155539/root/chroot_tmpdir/scmroot/darcs'...
$ git fetch origin 13cbce658f5ced34ec753b4ca9ba12a6dd3adbbe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/darcs
 * [new ref]         13cbce658f5ced34ec753b4ca9ba12a6dd3adbbe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13cbce6 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild