Updated copyright script to allow changing the header

tools/copyright.sh

@@ -5,8 +5,8 @@
 # Get current year
 CURRENT_YEAR=$(date +%Y)
 
-HEADER="// Eko: A terminal based social media platform
+LICENSE_HEADER_TEMPLATE="// Eko: A terminal-native social media platform
-// Copyright (C) $CURRENT_YEAR Kyren223
+// Copyright (C) {YEARS} Kyren223
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published
@@ -54,10 +54,39 @@ while IFS= read -r file; do
         continue
     fi
 
-    head_block=$(head -n 10 "$file")
-    copyright_line=$(echo "$head_block" | grep -E 'Copyright \(C\) [0-9]{4}')
 
-    if [[ -z "$copyright_line" ]]; then
+    head_block=$(head -n 20 "$file")
+    license_block=$(echo "$head_block" | sed -n '/Copyright (C) [0-9]\{4\}/,/gnu.org\/licenses\/>/p')
+    copyright_line=$(echo "$license_block" | grep -E 'Copyright \(C\) [0-9]{4}')
+
+    START_YEAR=""
+    END_YEAR=""
+    if [[ -n "$copyright_line" ]]; then
+        # Parse years
+        if [[ "$copyright_line" =~ Copyright\ \(C\)\ ([0-9]{4})-([0-9]{4}) ]]; then
+            START_YEAR="${BASH_REMATCH[1]}"
+            END_YEAR="${BASH_REMATCH[2]}"
+        elif [[ "$copyright_line" =~ Copyright\ \(C\)\ ([0-9]{4}) ]]; then
+            START_YEAR="${BASH_REMATCH[1]}"
+        fi
+    fi
+
+    # Determine what the correct copyright line should be
+    if [[ -z "$START_YEAR" ]]; then
+        YEARS="$CURRENT_YEAR"
+    elif [[ "$START_YEAR" == "$CURRENT_YEAR" ]]; then
+        YEARS="$CURRENT_YEAR"
+    else
+        YEARS="$START_YEAR-$CURRENT_YEAR"
+    fi
+
+    HEADER="${LICENSE_HEADER_TEMPLATE//\{YEARS\}/$YEARS}"
+
+    existing_header=$(sed -n '1,/https:\/\/www\.gnu\.org\/licenses\/>/p' "$file")
+    # existing_header_trimmed=$(echo "$existing_header" | sed 's/[[:space:]]*$//')
+    # new_header_trimmed=$(echo "$HEADER" | sed 's/[[:space:]]*$//')
+
+    if [[ -z "$license_block" ]]; then
         MODIFIED=true
         if $CHECK_MODE; then
             echo "Missing copyright: $file"
@@ -65,19 +94,32 @@ while IFS= read -r file; do
             { echo "$HEADER"; echo; cat "$file"; } > "$file.tmp" && mv "$file.tmp" "$file"
             echo "Added license header to $file"
         fi
-        continue
+      elif [[ "$existing_header" != "$HEADER" ]]; then
-    fi
-
-    # Extract the starting year
-    start_year=$(echo "$copyright_line" | sed -E 's/.*Copyright \(C\) ([0-9]{4})(-[0-9]{4})?.*/\1/')
-
-    if [[ "$start_year" != "$CURRENT_YEAR" ]]; then
         MODIFIED=true
         if $CHECK_MODE; then
             echo "Needs update: $file"
         else
-            sed -i "1,10s/Copyright (C) $start_year/Copyright (C) $start_year-$CURRENT_YEAR/" "$file"
+            awk -v header="$HEADER" '
-            echo "Updated year in $file"
+                BEGIN {skipping=1}
+                {
+                    if (NR == 1) {
+                        print header
+                        next
+                    }
+
+                    if (skipping) {
+                        if ($0 ~ /<https:\/\/www\.gnu\.org\/licenses\/>/) {
+                            skipping = 0
+                            next
+                        } else {
+                            next
+                        }
+                    }
+
+                    print
+                }
+            ' "$file" > "$file.tmp" && mv "$file.tmp" "$file"
+            echo "Updated license in $file"
         fi
     fi
 done < <(find . -type f -name "*.go")