$ git clone -n https://src.fedoraproject.org/rpms/kf5-kmime.git /var/lib/mock/f42-build-880308-182709/root/chroot_tmpdir/scmroot/kf5-kmime
Cloning into '/var/lib/mock/f42-build-880308-182709/root/chroot_tmpdir/scmroot/kf5-kmime'...
$ git fetch origin 86abf3127244efc9063dc7494dfcafe0fdb87de9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kmime
 * [new ref]         86abf3127244efc9063dc7494dfcafe0fdb87de9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86abf31 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild