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authorLudovic Courtès <ludo@gnu.org>2019-04-14 19:48:19 +0200
committerLudovic Courtès <ludo@gnu.org>2019-04-14 23:40:52 +0200
commitc1c5d68a94e219d0e56d5dc0e0d6ed9b08076a30 (patch)
tree52906eba28ea4b35a11976aa65968fabc597bb81 /guix/colors.scm
parenta5c72da46c302511ef77f02ed9725e701ab82687 (diff)
colors: Add 'highlight'.
* guix/colors.scm (%highlight-color): New variable. (highlight): New procedure. * guix/ui.scm (%highlight-argument)[highlight]: Remove. (%highlight-color): Remove.
Diffstat (limited to 'guix/colors.scm')
-rw-r--r--guix/colors.scm10
1 files changed, 10 insertions, 0 deletions
diff --git a/guix/colors.scm b/guix/colors.scm
index 30ad231dfe..7949cf5763 100644
--- a/guix/colors.scm
+++ b/guix/colors.scm
@@ -30,6 +30,7 @@
color?
colorize-string
+ highlight
color-rules
color-output?
isatty?*))
@@ -132,6 +133,15 @@ that subsequent output will not have any colors in effect."
(not (getenv "NO_COLOR"))
(isatty?* port)))
+(define %highlight-color (color BOLD))
+
+(define* (highlight str #:optional (port (current-output-port)))
+ "Return STR with extra ANSI color attributes to highlight it if PORT
+supports it."
+ (if (color-output? port)
+ (colorize-string str %highlight-color)
+ str))
+
(define (colorize-matches rules)
"Return a procedure that, when passed a string, returns that string
colorized according to RULES. RULES must be a list of tuples like: