$ git clone -n https://src.fedoraproject.org/rpms/rust-pin-project-internal.git /var/lib/mock/f40-build-2326594-58839/root/chroot_tmpdir/scmroot/rust-pin-project-internal
Cloning into '/var/lib/mock/f40-build-2326594-58839/root/chroot_tmpdir/scmroot/rust-pin-project-internal'...
$ git fetch origin 6c3b3e6f2880a8f1f9245a3e192db831f14bdd69:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pin-project-internal
 * [new ref]         6c3b3e6f2880a8f1f9245a3e192db831f14bdd69 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c3b3e6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild