$ git clone -n https://src.fedoraproject.org/rpms/rust-difftastic.git /var/lib/mock/f42-build-875671-179409/root/chroot_tmpdir/scmroot/rust-difftastic
Cloning into '/var/lib/mock/f42-build-875671-179409/root/chroot_tmpdir/scmroot/rust-difftastic'...
$ git fetch origin 2d7f12c7ee831a6cc84f63ea8a228d05761c942a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-difftastic
 * [new ref]         2d7f12c7ee831a6cc84f63ea8a228d05761c942a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d7f12c Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild