[gentoo-pms] [PATCH] ebuild-format.tex: Document that umask is set to 022

["Ulrich Müller" <ulm@gentoo.org>]

Portage has been doing this since 2001.

Closes: https://bugs.gentoo.org/868669
Reported-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Ulrich Müller <ulm@gentoo.org>
---
 ebuild-format.tex | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ebuild-format.tex b/ebuild-format.tex
index 25ba28e..cf06668 100644
--- a/ebuild-format.tex
+++ b/ebuild-format.tex
@@ -7,6 +7,9 @@ table~\ref{tab:bash-version}, or any later version. If possible, the package man
 the shell's compatibility level to the exact version specified. It must ensure that any such
 compatibility settings (e.\,g.\ the \t{BASH_COMPAT} variable) are not exported to external programs.
 
+The file creation mask (\t{umask}) is set to \t{022} in the shell execution environment. It is
+\emph{not} saved between phase functions but always reset to this initial value.
+
 \featurelabel{failglob} For EAPIs listed such in table~\ref{tab:bash-version}, the \t{failglob}
 option of bash is set in the global scope of ebuilds. If set, failed pattern matches during
 filename expansion result in an error when the ebuild is being sourced.
-- 
2.37.3