$ git clone -n https://src.fedoraproject.org/rpms/folly.git /var/lib/mock/f40-build-780415-130955/root/chroot_tmpdir/scmroot/folly
Cloning into '/var/lib/mock/f40-build-780415-130955/root/chroot_tmpdir/scmroot/folly'...
$ git fetch origin 6036d1dca3d7fe77a15b182e44676ea44b81953d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/folly
 * [new ref]         6036d1dca3d7fe77a15b182e44676ea44b81953d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6036d1d Replace GCC14 patches with upstreamed fixes