style: replace hardcoded color codes with css variablesv1.3.1+10

In order to: a) do custom theme simpler by just replacing necessary
vars, b) apply this theme to filters as well; the main cgit.css file now
defines CSS vars and uses them in color parameters.

1 files changed, 10 insertions, 4 deletions

diff --git a/filters/syntax-highlighting.sh b/filters/syntax-highlighting.sh
index 840bc34..bb8d60c 100755
--- a/filters/syntax-highlighting.sh
+++ b/filters/syntax-highlighting.sh
@@ -8,8 +8,10 @@
 # might have to use an external call to sed instead.
 #
 # Note: the highlight command (http://www.andre-simon.de/) uses css for syntax
-# highlighting, so you'll probably want something like the following included
-# in your css file:
+# highlighting. cgit.css defines these classes in terms of its --syn-* custom
+# properties, so nothing has to be added when using the default stylesheet.
+# The palette below, from highlight 3.13, is what those properties default to;
+# a custom stylesheet wanting the same colors can use it directly:
 #
 # Style definition file generated by highlight 2.4.8, http://www.andre-simon.de/
 #
@@ -114,8 +116,12 @@ EXTENSION="${BASENAME##*.}"
 # Version 2 can be found (for example) on EPEL 5, while version 3 can be
 # found (for example) on EPEL 6.
 #
+# Note that -I (--include-style) is not used: the stylesheet it embeds in the
+# output would override the .hl rules in cgit.css and with them any theming
+# done through the --syn-* custom properties.
+#
 # This is for version 2
-exec highlight --force -f -I -X -S "$EXTENSION" 2>/dev/null
+exec highlight --force -f -X -S "$EXTENSION" 2>/dev/null
 
 # This is for version 3
-#exec highlight --force -f -I -O xhtml -S "$EXTENSION" 2>/dev/null
+#exec highlight --force -f -O xhtml -S "$EXTENSION" 2>/dev/null