$ git clone -n https://src.fedoraproject.org/rpms/obfs4.git /var/lib/mock/f40-build-1965597-25205/root/chroot_tmpdir/scmroot/obfs4
Cloning into '/var/lib/mock/f40-build-1965597-25205/root/chroot_tmpdir/scmroot/obfs4'...
$ git fetch origin e52b44764198078aac520c38014c29e9b1cd673b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/obfs4
 * [new ref]         e52b44764198078aac520c38014c29e9b1cd673b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e52b447 Rebuild for golang 1.22.0