Add usage and header

1 files changed, 25 insertions, 1 deletions

@@ -1,4 +1,8 @@
 #!/usr/bin/env bash
+# bollux: a bash gemini client
+# Author: Case Duckworth
+# License: MIT
+# Version: 0.1
 
 # Program information
 PRGN="${0##*/}"
@@ -6,6 +10,22 @@ VRSN=0.1
 # State
 REDIRECTS=0
 
+bollux_usage() {
+        cat <<END
+$PRGN (v. $VRSN): a bash gemini client
+usage:
+        $PRGN [-h]
+        $PRGN [-q] [-v] [URL]
+flags:
+        -h      show this help and exit
+        -q      be quiet: log no messages
+        -v      verbose: log more messages
+parameters:
+        URL     the URL to start in
+                If not provided, the user will be prompted.
+END
+}
+
 run() {
         log debug "$@"
         "$@"
@@ -49,8 +69,12 @@ bollux() {
 }
 
 bollux_args() {
-        while getopts :vq OPT; do
+        while getopts :hvq OPT; do
                 case "$OPT" in
+                h)
+                        bollux_usage
+                        exit
+                        ;;
                 v) BOLLUX_LOGLEVEL=DEBUG ;;
                 q) BOLLUX_LOGLEVEL=QUIET ;;
                 :) die 1 "Option -$OPTARG requires an argument" ;;