$ git clone -n https://src.fedoraproject.org/rpms/rust-content_inspector.git /var/lib/mock/f39-build-1516867-35663/root/chroot_tmpdir/scmroot/rust-content_inspector
Cloning into '/var/lib/mock/f39-build-1516867-35663/root/chroot_tmpdir/scmroot/rust-content_inspector'...
$ git fetch origin e21090f0495eaaa3090c0647d1b157bc43fe0c8a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-content_inspector
 * [new ref]         e21090f0495eaaa3090c0647d1b157bc43fe0c8a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e21090f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild