$ git clone -n https://src.fedoraproject.org/rpms/libfprint.git /var/lib/mock/f40-build-1177369-21835/root/chroot_tmpdir/scmroot/libfprint
Cloning into '/var/lib/mock/f40-build-1177369-21835/root/chroot_tmpdir/scmroot/libfprint'...
$ git fetch origin 4f101d393ee92f5792d413895dd95e9f9e7af17d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libfprint
 * [new ref]         4f101d393ee92f5792d413895dd95e9f9e7af17d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f101d3 Update to 1.94.6