[latex3-commits] [git/LaTeX3-latex3-latex2e] gh479: Add \NewModuleRelease from mailed test (624714b7)

[PhelypeOleinik]

Repository : https://github.com/latex3/latex2e
On branch  : gh479
Link       : https://github.com/latex3/latex2e/commit/624714b7efba97b6fa6faf53b514280b8e92a1f3

>---------------------------------------------------------------

commit 624714b7efba97b6fa6faf53b514280b8e92a1f3
Author: PhelypeOleinik <phelype.oleinik at latex-project.org>
Date:   Wed Mar 10 16:02:48 2021 -0300

    Add \NewModuleRelease from mailed test


>---------------------------------------------------------------

624714b7efba97b6fa6faf53b514280b8e92a1f3
 base/ltvers.dtx | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 68 insertions(+), 2 deletions(-)

diff --git a/base/ltvers.dtx b/base/ltvers.dtx
index 26eaee98..f73b5d69 100644
--- a/base/ltvers.dtx
+++ b/base/ltvers.dtx
@@ -33,7 +33,7 @@
 %<*driver>
 % \fi
 \ProvidesFile{ltvers.dtx}
-             [2021/01/15 v1.1e LaTeX Kernel (Version Info)]
+             [2021/03/10 v1.1f LaTeX Kernel (Version Info)]
 % \iffalse
 \documentclass{ltxdoc}
 \GetFileInfo{ltvers.dtx}
@@ -214,6 +214,11 @@
 %    \end{macrocode}
 %
 % \begin{macro}{\IncludeInRelease}
+% \begin{macro}{\EndIncludeInRelease}
+% \begin{macro}{\@IncludeInRelease}
+% \begin{macro}{\@IncludeInRele at se}
+% \begin{macro}{\@gobble at IncludeInRelease}
+% \begin{macro}{\@check at IncludeInRelease}
 % \changes{v1.0w}{2015/02/21}
 %         {set \cs{@currname} empty here (in case \cs{IncludeInRelease} input early)}
 %    \begin{macrocode}
@@ -224,6 +229,7 @@
 % \changes{v1.0m}{2015/01/17}{modified with \cs{@currname}}
 % \changes{v1.0o}{2015/01/19}{Optional argument}
 % \changes{v1.0q}{2015/02/19}{Swap argument order}
+% \changes{v1.1f}{2021/03/10}{Add support for usage in \cs{NewModuleRelease}}
 %
 %    \begin{macrocode}
 %<*2ekernel|latexrelease>
@@ -237,6 +243,10 @@
                 {There is an \string\EndIncludeRelease\space missing}%
   \@includeinreleasefalse
   \fi
+  \ifx\EndModuleRelease#1%
+    \expandafter\EndModuleRelease
+    \expandafter\@gobblefour
+  \fi
   \kernel at ifnextchar[%
   {\@IncludeInRelease{#1}}
   {\@IncludeInRelease{#1}[#1]}}
@@ -282,6 +292,9 @@
   \@includeinreleasefalse
 \else
   \PackageError{latexrelease}{mis-matched EndIncludeInRelease}{}%
+\fi
+\if at skipping@module
+  \expandafter\new at module@skip
 \fi}
 %    \end{macrocode}
 %
@@ -296,13 +309,66 @@
                                    #2#3\@end at check@IncludeInRelease{%
   \ifx\@check at IncludeInRelease#2\else
     \PackageError{latexrelease}{skipped IncludeInRelease for tag \string#2}{}%
+  \fi
+\if at skipping@module
+  \expandafter\new at module@skip
+\fi}
+%    \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+%
+% \subsection{Declaring an all-new module}
+%
+% \begin{macro}{\if at skipping@module}
+% \begin{macro}{\NewModuleRelease}
+% \begin{macro}{\EndModuleRelease}
+% \begin{macro}{\new at module@skip}
+% \begin{macro}{\new at modulename}
+% \begin{macro}{\new at moduledate}
+%
+%   When we have a whole new module, we can't roll back to a date where
+%   such module exists, otherwise hundreds of \enquote{command already
+%   defined} errors will pop up.  But we can't skip it altogether
+%   either, because the module might have changes we still want applied,
+%   so a more detailed cherry-picking of code chunks have to be done.
+%
+%   
+%   \changes{v1.0f}{2021/03/10}{Added \cs{NewModuleRelease}.}
+%    \begin{macrocode}
+\newif\if at skipping@module
+\def\NewModuleRelease#1#2{%
+  \edef\new at modulename{#1}%
+  \edef\new at moduledate{#2}%
+  \GenericInfo{}{BEGIN module: \new at modulename\space (\new at moduledate)}%
+  \ifnum\sourceLaTeXdate<
+      \expandafter\@parse at version\new at moduledate//00\@nil\relax
+    \@skipping at modulefalse
+  \else
+    \@skipping at moduletrue
+    \expandafter\new at module@skip
   \fi}
+\long\def\new at module@skip#1\IncludeInRelease{\IncludeInRelease}
+\def\EndModuleRelease{%
+  \GenericInfo{}{END module: \new at modulename\space (\new at moduledate)}%
+  \let\new at modulename\@empty
+  \let\new at moduledate\@empty
+  \@skipping at modulefalse}
 %    \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
 %
 %    \begin{macrocode}
 %</2ekernel|latexrelease>
 %    \end{macrocode}
-% \end{macro}
+%
 % \Finale
 %
 \endinput