$ git clone -n https://src.fedoraproject.org/rpms/rust-peeking_take_while.git /var/lib/mock/f39-build-1467343-33724/root/chroot_tmpdir/scmroot/rust-peeking_take_while
Cloning into '/var/lib/mock/f39-build-1467343-33724/root/chroot_tmpdir/scmroot/rust-peeking_take_while'...
$ git fetch origin f4f83351bf65feb7bd85a1d00bf0081bbe19d8ab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-peeking_take_while
 * [new ref]         f4f83351bf65feb7bd85a1d00bf0081bbe19d8ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f4f8335 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild