[Warning] Ebuild 3.0 uses POSIX test '['. Use bash conditions '[[ ... ]]' instead.
[Notice] Ebuild 3.0 has an invalid header. It should start with a valid copyright line (e.g., '# Copyright YEARS MAIN-CONTRIBUTOR') and the GPLv2 distribution text followed by an empty line.
[Warning] Ebuild 3.0 has a line exceeding 80 positions on line 14.
[Error] Ebuild 3.0 KEYWORDS is defined multiple times. It must be defined at most once.
[Error] Manifest entry for unused DIST file 'libump-3.0-git.tar.gz'
[Error] Repository is missing a repo-name in metadata/layout.conf or profiles/repo_name
[Notice] Package has only unstable keywords for arch(es): [ amd64, arm ], all versions are unstable: [ 3.0 ]
[Error] Invalid or missing metadata.xml: open x11-libs/libump/metadata.xml: file does not exist