$ git clone -n https://src.fedoraproject.org/rpms/hledger.git /var/lib/mock/f39-build-1884209-42771/root/chroot_tmpdir/scmroot/hledger
Cloning into '/var/lib/mock/f39-build-1884209-42771/root/chroot_tmpdir/scmroot/hledger'...
$ git fetch origin cc81f6e1da607ce5c393020156285af6a963b1e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hledger
 * [new ref]         cc81f6e1da607ce5c393020156285af6a963b1e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc81f6e update to 1.30.1