$ git clone -n https://src.fedoraproject.org/rpms/rust-packaging.git /var/lib/mock/f42-build-3156621-40826/root/chroot_tmpdir/scmroot/rust-packaging
Cloning into '/var/lib/mock/f42-build-3156621-40826/root/chroot_tmpdir/scmroot/rust-packaging'...
$ git fetch origin 23038bf4371407432a6bbc4ca14bb0a7a0ed5e95:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-packaging
 * [new ref]         23038bf4371407432a6bbc4ca14bb0a7a0ed5e95 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23038bf Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild