$ git clone -n https://src.fedoraproject.org/rpms/rust-signature_derive.git /var/lib/mock/f40-build-2327499-58853/root/chroot_tmpdir/scmroot/rust-signature_derive
Cloning into '/var/lib/mock/f40-build-2327499-58853/root/chroot_tmpdir/scmroot/rust-signature_derive'...
$ git fetch origin 95b7e36309376194621091abcfb6691d0adca701:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-signature_derive
 * [new ref]         95b7e36309376194621091abcfb6691d0adca701 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 95b7e36 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild