$ git clone -n https://src.fedoraproject.org/rpms/kontact.git /var/lib/mock/f42-build-871567-177655/root/chroot_tmpdir/scmroot/kontact
Cloning into '/var/lib/mock/f42-build-871567-177655/root/chroot_tmpdir/scmroot/kontact'...
$ git fetch origin 7ac2c888cc64d89bf5b80964b4425863792e8b32:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kontact
 * [new ref]         7ac2c888cc64d89bf5b80964b4425863792e8b32 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ac2c88 24.12.2