$ git clone -n https://src.fedoraproject.org/rpms/rust-rust-embed-impl.git /var/lib/mock/f40-build-2073906-49367/root/chroot_tmpdir/scmroot/rust-rust-embed-impl
Cloning into '/var/lib/mock/f40-build-2073906-49367/root/chroot_tmpdir/scmroot/rust-rust-embed-impl'...
$ git fetch origin 12d4b4761ba86fc84c9204e8ed3f23849e45bfae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rust-embed-impl
 * [new ref]         12d4b4761ba86fc84c9204e8ed3f23849e45bfae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12d4b47 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild