$ git clone -n https://src.fedoraproject.org/rpms/rust-chunked_transfer.git /var/lib/mock/f39-build-1526180-36059/root/chroot_tmpdir/scmroot/rust-chunked_transfer
Cloning into '/var/lib/mock/f39-build-1526180-36059/root/chroot_tmpdir/scmroot/rust-chunked_transfer'...
$ git fetch origin cc27b2d856d599ea4fa10c5704655cc561f3568d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-chunked_transfer
 * [new ref]         cc27b2d856d599ea4fa10c5704655cc561f3568d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc27b2d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild