$ git clone -n https://src.fedoraproject.org/rpms/python3-cangjie.git /var/lib/mock/f41-build-813021-148482/root/chroot_tmpdir/scmroot/python3-cangjie
Cloning into '/var/lib/mock/f41-build-813021-148482/root/chroot_tmpdir/scmroot/python3-cangjie'...
$ git fetch origin d970883e57288824da68000fae1c7c70a3023770:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python3-cangjie
 * [new ref]         d970883e57288824da68000fae1c7c70a3023770 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d970883 Fix the build with the right tarball format and forgemeta