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commit 7b41c6e5338448e3984f54def517c8db7eee8f19
parent 6ba5c40a7e1ba140b25140caee40737b362ca932
Author: Yuval Langer <yuval.langer@gmail.com>
Date:   Fri, 24 Nov 2023 21:20:43 +0200

Swallow the GNUisms koolaid!

Diffstat:
M
bin/0x0.st
 | 
105
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------------------

1 file changed, 78 insertions(+), 27 deletions(-)
diff --git a/bin/0x0.st b/bin/0x0.st
@@ -2,60 +2,111 @@
 
 set -e
 
-cleanup () {
-    if [ "$2" = "--debug" ]; then
-        printf "\nRemoving \"%s\"\n" "$temp_file" 1>&2
-    fi
-    rm "$temp_file"
-}
+if [ -z "$(command -v xsel)" ] || [ -z "$(command -v curl)" ]; then
+    printf "Must install xsel and curl.\n"
+    exit 1
+fi
+
+# https://www.baeldung.com/linux/bash-parse-command-line-arguments
+
+OUR_ARGUMENTS="$(getopt -o hpsb --long help,debug,primary,secondary,clipboard -- "$@" )"
 
 help_message () {
     printf "Usage:
-\t%s -p [--debug]
-\t%s -s [--debug]
-\t%s -b [--debug]
-\t%s [FILENAME] [--debug]
+\t%s [--debug] -p / --primay
+\t%s [--debug] -s / --secondary
+\t%s [--debug] -b / --clipboard
+\t%s [--debug] [FILENAME]
 
 Flags:
   -p, --primary         Operate on the PRIMARY selection.
   -s, --secondary       Operate on the SECONDARY selection.
   -b, --clipboard       Operate on the CLIPBOARD selection.
-  --debug               Show debug information.
-" "$0" "$0" "$0" "$0" # XXX: That's a dumb looking way of providing
-                      # this one "$0" argument many times.
-    exit 1
-
+  --debug               Show debug information and do not upload to the 0x0.st.
+" "$0" "$0" "$0" "$0"
+    # XXX: That's a dumb looking way of providing
+    # this one "$0" argument many times.
 }
 
-if [ -z "$(command -v xsel)" ] || [ -z "$(command -v curl)" ]; then
-    printf "Must install xsel and curl.\n"
-fi
+eval set -- "$OUR_ARGUMENTS"
+while [ -n "$*" ]; do
+    case "$1" in
+        -h | --help)
+            help_message
+            exit 0
+            shift
+            ;;
+        --debug)
+            debug_flag=1
+            shift
+            ;;
+        -p | primary)
+            xsel_flag_primary="$1"
+            if [ -n "$xsel_flag_secondary" ] || [ -n "$xsel_flag_clipboard" ]; then
+                printf "Provide only none or one of -p / --primary, -s / --secondary, -b / --clipboard flags.\n"
+                exit 1
+            fi
+            shift
+            ;;
+        -s | --secondary)
+            xsel_flag_secondary="$1"
+            if [ -n "$xsel_flag_primary" ] || [ -n "$xsel_flag_clipboard" ]; then
+                printf "Provide only none or one of -p / --primary, -s / --secondary, -b / --clipboard flags.\n"
+                exit 1
+            fi
+            shift
+            ;;
+        -b | clipboard)
+            xsel_flag_clipboard="$1"
+            if [ -n "$xsel_flag_primary" ] || [ -n "$xsel_flag_secondary" ]; then
+                printf "Provide only none or one of -p / --primary, -s / --secondary, -b / --clipboard flags.\n"
+                exit 1
+            fi
+            shift
+            ;;
+        --)
+            shift
+            filename="$1"
+            if [ -z "$filename$xsel_flag_primary$xsel_flag_secondary$xsel_flag_clipboard" ]; then
+                printf "Either provide a clipboard flag or a filename:\n\n"
+                help_message
+                exit 1
+            fi
+            break
+            ;;
+    esac
+done
+
+xsel_flag="$xsel_flag_primary"
+xsel_flag="$xsel_flag_secondary"
+xsel_flag="$xsel_flag_clipboard"
+
+cleanup () {
+    if [ -n "$debug_flag" ]; then
+        printf "\nRemoving \"%s\"\n" "$temp_file" 1>&2
+    fi
+    rm "$temp_file"
+}
 
 if [ "$#" -ne 1 ] &&
        [ "$#" -ne 2 ]; then
     help_message
 fi
 
-if [ "$1" = "-p" ] ||
-       [ "$1" = "-s" ] ||
-       [ "$1" = "-b" ]; then
-    xsel_flag="$1"
-
+if [ -n "$xsel_flag" ]; then
     trap cleanup EXIT
 
     temp_file=$(mktemp)
 
     xsel "$xsel_flag" > "$temp_file"
 
-    if [ "$2" = "--debug" ]; then
+    if [ -n "$debug_flag" ]; then
         cat "$temp_file"
     else
         curl -F"file=@${temp_file}" 0x0.st
     fi
 else
-    filename="$1"
-
-    if [ "$2" = "--debug" ]; then
+    if [ -n "$debug_flag" ]; then
         cat "$filename"
     else
         curl -F"file=@${filename}" 0x0.st