In case every man page of the dev-texlive/* package is filtered, because the man pages are already installed by texlive-core, grep returns an exit status of 1, which we must not treat as an error condition.
Adjust the PIPESTATUS comparison accordingly. Closes: https://bugs.gentoo.org/931994 Signed-off-by: Florian Schmaus <f...@gentoo.org> --- eclass/texlive-module.eclass | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/eclass/texlive-module.eclass b/eclass/texlive-module.eclass index 0daca41961ff..b202a0188b66 100644 --- a/eclass/texlive-module.eclass +++ b/eclass/texlive-module.eclass @@ -539,7 +539,10 @@ texlive-module_src_install() { find texmf-dist/doc/man -type f -name '*.[0-9n]' -print | grep -v "${grep_expressions[@]}" | xargs -d '\n' --no-run-if-empty doman - [[ "${PIPESTATUS[*]}" =~ ^0(" 0")*$ ]] + # The grep in the middle of the pipe may return 1 in case + # everything from the input is dropped. + # See https://bugs.gentoo.org/931994 + [[ "${PIPESTATUS[*]}" == "0 "[01]" 0" ]] eend $? || die "error installing man pages" # Delete all man pages under texmf-dist/doc/man -- 2.44.1
