$ git clone -n https://src.fedoraproject.org/rpms/rust-humantime.git /var/lib/mock/f39-build-1521784-35858/root/chroot_tmpdir/scmroot/rust-humantime
Cloning into '/var/lib/mock/f39-build-1521784-35858/root/chroot_tmpdir/scmroot/rust-humantime'...
$ git fetch origin 83b96e6bce482c4c0fe0a0bb8060bf8056d1e118:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-humantime
 * [new ref]         83b96e6bce482c4c0fe0a0bb8060bf8056d1e118 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83b96e6 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild