$ git clone -n https://src.fedoraproject.org/rpms/rust-jpeg-decoder0.1.git /var/lib/mock/f39-build-1493834-34540/root/chroot_tmpdir/scmroot/rust-jpeg-decoder0.1
Cloning into '/var/lib/mock/f39-build-1493834-34540/root/chroot_tmpdir/scmroot/rust-jpeg-decoder0.1'...
$ git fetch origin dd175cbf577ce94a748eef0ab10d9189ea869dfd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-jpeg-decoder0.1
 * [new ref]         dd175cbf577ce94a748eef0ab10d9189ea869dfd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd175cb Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild