$ git clone -n https://src.fedoraproject.org/rpms/blosc2.git /var/lib/mock/f40-build-783902-133206/root/chroot_tmpdir/scmroot/blosc2
Cloning into '/var/lib/mock/f40-build-783902-133206/root/chroot_tmpdir/scmroot/blosc2'...
$ git fetch origin e8deb1a6ae28bdd4d158ba7923e3da4f3a854e69:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/blosc2
 * [new ref]         e8deb1a6ae28bdd4d158ba7923e3da4f3a854e69 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8deb1a [packit] 2.13.2 upstream release