help: document color/pager pitfalls on Windows
Even though I figured this out a few weeks ago, I was initially puzzled where
the color went when I upgraded to 4.2 on a different Windows machine. Let's
point users reading the help into the right direction.
I wonder if we should be even more explicit about cmd.exe/MSYS/pager/color
interplay, but at least all of the breadcrumbs are here (I think).
--- a/mercurial/help/color.txt Tue May 02 22:26:09 2017 -0400
+++ b/mercurial/help/color.txt Wed May 03 21:58:11 2017 -0400
@@ -17,6 +17,13 @@
See :hg:`help config.ui.color` for details.
+.. container:: windows
+
+ The default pager on Windows does not support color, so enabling the pager
+ will effectively disable color. See :hg:`help config.ui.paginate` to disable
+ the pager. Alternately, MSYS and Cygwin shells provide `less` as a pager,
+ which can be configured to support ANSI color mode.
+
Mode
====
--- a/mercurial/help/pager.txt Tue May 02 22:26:09 2017 -0400
+++ b/mercurial/help/pager.txt Wed May 03 21:58:11 2017 -0400
@@ -10,6 +10,13 @@
$PAGER. If neither pager.pager, nor $PAGER is set, a default pager
will be used, typically `less` on Unix and `more` on Windows.
+.. container:: windows
+
+ On Windows, `more` is not color aware, so using it effectively disables color.
+ MSYS and Cygwin shells provide `less` as a pager, which can be configured to
+ support ANSI color codes. See :hg:`help config.color.pagermode` to configure
+ the color mode when invoking a pager.
+
You can disable the pager for certain commands by adding them to the
pager.ignore list::