$ git clone -n https://src.fedoraproject.org/rpms/rust-snapbox-macros.git /var/lib/mock/f40-build-2251246-54122/root/chroot_tmpdir/scmroot/rust-snapbox-macros
Cloning into '/var/lib/mock/f40-build-2251246-54122/root/chroot_tmpdir/scmroot/rust-snapbox-macros'...
$ git fetch origin 297428374e169b37fe8d63e96a57ba8251f6bb0e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-snapbox-macros
 * [new ref]         297428374e169b37fe8d63e96a57ba8251f6bb0e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2974283 Update to version 0.3.7; Fixes RHBZ#2258001