$ git clone -n https://src.fedoraproject.org/rpms/rust-pbkdf2.git /var/lib/mock/f40-build-2326453-58833/root/chroot_tmpdir/scmroot/rust-pbkdf2
Cloning into '/var/lib/mock/f40-build-2326453-58833/root/chroot_tmpdir/scmroot/rust-pbkdf2'...
$ git fetch origin 74475fffcc93b2d6ebe30dd50ad5c0aa2a410332:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pbkdf2
 * [new ref]         74475fffcc93b2d6ebe30dd50ad5c0aa2a410332 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 74475ff Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild