$ git clone -n https://src.fedoraproject.org/rpms/rust-jwalk.git /var/lib/mock/f39-build-1466027-33639/root/chroot_tmpdir/scmroot/rust-jwalk
Cloning into '/var/lib/mock/f39-build-1466027-33639/root/chroot_tmpdir/scmroot/rust-jwalk'...
$ git fetch origin bbf56cca936103663d9cbfdfe907504ac1336cf3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-jwalk
 * [new ref]         bbf56cca936103663d9cbfdfe907504ac1336cf3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bbf56cc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild