$ git clone -n https://src.fedoraproject.org/rpms/dolphin-emu.git /var/lib/mock/f38-build-side-42-init-devel-1286496-30672/root/chroot_tmpdir/scmroot/dolphin-emu
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1286496-30672/root/chroot_tmpdir/scmroot/dolphin-emu'...
$ git fetch origin 7f2eaa20a0b5d85a109e95dca87d9dd920c7f138:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dolphin-emu
 * [new ref]         7f2eaa20a0b5d85a109e95dca87d9dd920c7f138 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f2eaa2 Unbundle zlib-ng and gtest