$ git clone -n https://src.fedoraproject.org/rpms/rust-tree_magic_mini.git /var/lib/mock/f39-build-1500885-34802/root/chroot_tmpdir/scmroot/rust-tree_magic_mini
Cloning into '/var/lib/mock/f39-build-1500885-34802/root/chroot_tmpdir/scmroot/rust-tree_magic_mini'...
$ git fetch origin e45b1679dff4ab9f64ce7095eec8cb4f1451dabe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tree_magic_mini
 * [new ref]         e45b1679dff4ab9f64ce7095eec8cb4f1451dabe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e45b167 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild