$ git clone -n https://src.fedoraproject.org/rpms/mimetreeparser.git /var/lib/mock/f42-build-side-1-3584847-46896/root/chroot_tmpdir/scmroot/mimetreeparser
Cloning into '/var/lib/mock/f42-build-side-1-3584847-46896/root/chroot_tmpdir/scmroot/mimetreeparser'...
$ git fetch origin 4d9f6a9e13d7f80b77f2d7492bb23cfc18acb453:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mimetreeparser
 * [new ref]         4d9f6a9e13d7f80b77f2d7492bb23cfc18acb453 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d9f6a9 25.04.3