$ git clone -n https://src.fedoraproject.org/rpms/rust-bat.git /var/lib/mock/f40-build-1883047-25042/root/chroot_tmpdir/scmroot/rust-bat
Cloning into '/var/lib/mock/f40-build-1883047-25042/root/chroot_tmpdir/scmroot/rust-bat'...
$ git fetch origin dad3101d843a88d3156eeaea520738f91286cba7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-bat
 * [new ref]         dad3101d843a88d3156eeaea520738f91286cba7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dad3101 Adapt license tags, document bundled Sublime Text grammars and themes