$ git clone -n https://src.fedoraproject.org/rpms/rust-getset.git /var/lib/mock/f39-build-1493625-34539/root/chroot_tmpdir/scmroot/rust-getset
Cloning into '/var/lib/mock/f39-build-1493625-34539/root/chroot_tmpdir/scmroot/rust-getset'...
$ git fetch origin 87438ffde33d8487beb3aba3616f0e091bf3255f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-getset
 * [new ref]         87438ffde33d8487beb3aba3616f0e091bf3255f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87438ff Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild