$ git clone -n https://src.fedoraproject.org/rpms/rust-varlink_generator.git /var/lib/mock/f42-build-875192-179169/root/chroot_tmpdir/scmroot/rust-varlink_generator
Cloning into '/var/lib/mock/f42-build-875192-179169/root/chroot_tmpdir/scmroot/rust-varlink_generator'...
$ git fetch origin 6b95eeabbd88c162361242b03c4491c429a89a6f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-varlink_generator
 * [new ref]         6b95eeabbd88c162361242b03c4491c429a89a6f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b95eea Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild