diff options
| -rw-r--r-- | guix/build/bournish.scm | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/guix/build/bournish.scm b/guix/build/bournish.scm index 7aa1f8ca00..247a687d80 100644 --- a/guix/build/bournish.scm +++ b/guix/build/bournish.scm @@ -48,11 +48,19 @@ refers to." str)) (define* (display-tabulated lst - #:key (columns 3) - (column-width (/ 78 columns))) - "Display the list of string LST in COLUMNS columns of COLUMN-WIDTH -characters." + #:key + (terminal-width 80) + (column-gap 2)) + "Display the list of string LST in as many columns as needed given +TERMINAL-WIDTH. Use COLUMN-GAP spaces between two subsequent columns." (define len (length lst)) + (define column-width + ;; The width of a column. Assume all the columns have the same width + ;; (GNU ls is smarter than that.) + (+ column-gap (reduce max 0 (map string-length lst)))) + (define columns + (max 1 + (quotient terminal-width column-width))) (define pad (if (zero? (modulo len columns)) 0 |