$ git clone -n https://src.fedoraproject.org/rpms/rust-choosier.git /var/lib/mock/f40-build-780097-130682/root/chroot_tmpdir/scmroot/rust-choosier
Cloning into '/var/lib/mock/f40-build-780097-130682/root/chroot_tmpdir/scmroot/rust-choosier'...
$ git fetch origin 61b85387c4e5459d13d15b9bffb11f1d7e93dd56:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-choosier
 * [new ref]         61b85387c4e5459d13d15b9bffb11f1d7e93dd56 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61b8538 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild