kiss: explain log

FossilOrigin-Name: 82aa30ad2f6f4320960eb6bc30e79ce9f272fb1f7f20853eec13785e9e2637d9

1 files changed, 5 insertions, 0 deletions

diff --git a/kiss b/kiss
index 6b6aec3..9c558c6 100755
--- a/kiss
+++ b/kiss
@@ -14,6 +14,11 @@
 
 log() {
     # Print a message prettily.
+    # '\033[1;32m':     Set text to color '2' and make it bold.
+    # '\033[m':         Reset text formatting.
+    # '${3:-->}':       If the 3rd argument is missing, set prefix to '->'.
+    # '${2:+}': If the 2nd argument exists, set the text style of '$1'.
+    # '${2:+}':     If the 2nd argument exists, reset text formatting.
     printf '\033[1;32m%s \033[m%s\033[m %s\n' \
            "${3:-->}" "${2:+}$1${2:+}" "$2"
 }