$ git clone -n https://src.fedoraproject.org/rpms/compat-tidy.git /var/lib/mock/f39-build-1510797-35511/root/chroot_tmpdir/scmroot/compat-tidy
Cloning into '/var/lib/mock/f39-build-1510797-35511/root/chroot_tmpdir/scmroot/compat-tidy'...
$ git fetch origin f8deb319da7673e6adf4c3bebc9cbcc7251c9735:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/compat-tidy
 * [new ref]         f8deb319da7673e6adf4c3bebc9cbcc7251c9735 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8deb31 Initial setup of the repo