$ git clone -n https://src.fedoraproject.org/rpms/rust.git /var/lib/mock/f41-build-side-1-2797410-32745/root/chroot_tmpdir/scmroot/rust
Cloning into '/var/lib/mock/f41-build-side-1-2797410-32745/root/chroot_tmpdir/scmroot/rust'...
$ git fetch origin 5dab1210ebd7063bb6bc3e673fd83f68c15eb622:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust
 * [new ref]         5dab1210ebd7063bb6bc3e673fd83f68c15eb622 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5dab121 Apply patches for LLVM 19