Adapt changelog script for pr title styles

changelog.sh

@@ -4,61 +4,34 @@
 # read the file
 TEXT=$(<"$1")
 
-# remove weblate and dependencies
-TEXT=$(printf "${TEXT[@]}" | sed 's/.*Weblate.*//g' | sed 's/.*dependency.*//g')
+# the link containing the full commit history
+FULLCHANGELOG=$(echo "$TEXT{@}" | tail -n 1)
+NEWCONTRIBUTORS=$(echo "$TEXT{@}" | grep 'first contribution')
+
+# remove everything related to weblate and dependencies
+TEXT=$(printf "${TEXT[@]}" | sed -e 's/.*Weblate.*//g' -e 's/.*dependency.*//g' -e 's/^\*\*Full//g' -e 's/.*first contribution.*//g' -e 's/##.*//g')
 
 # go through all the lines inside the file
 readarray -t y <<< "${TEXT[@]}"
 
-FIXES=()
-FEATURES=()
-IMPROVEMENTS=()
-REPOCHANGES=()
-for line in "${y[@]}" ; do
-  if [[ "$line" =~ [Ff]ix ]]; then
-    FIXES+=("$line")
-  elif [[ "$line" =~ [Oo]ption ]] || [[ "$line" =~ [Mm]inor ]]; then
-    IMPROVEMENTS+=("$line")
-  elif [[ "$line" =~ [Rr][Ee][Aa][Dd][Mm][Ee] ]] || [[ "$line" =~ [Ss]creenshots ]] || [[ "$line" =~ Clean( )?up ]]; then
-    REPOCHANGES+=("$line")
-  elif [[ "$line" =~ ^\*\*Full ]]; then
-    FULLCHANGELOG="$line"
-  elif ! [[ -z "$line" ]]; then
-    FEATURES+=("$line")
-  fi
-done
-
-# function for echoing all items of an array, one per line
-echoall() {
-  for line in "$@"; do
-      echo "$line"
-  done
+trim() {
+    local var="$*"
+    # remove leading whitespace characters
+    var="${var#"${var%%[![:space:]]*}"}"
+    # remove trailing whitespace characters
+    var="${var%"${var##*[![:space:]]}"}"
+    printf '%s' "$var"
 }
 
 # Print all the found and categorized changes
 create_changelog() {
-  echo "## New features"
-  echoall "${FEATURES[@]}"
-  echo ""
-
-  echo "## Minor changes"
-  echoall "${IMPROVEMENTS[@]}"
-  echo ""
-
-  echo "## Bug fixes"
-  echoall "${FIXES[@]}"
-  echo ""
-
-  echo "## Repo changes"
-  echoall "${REPOCHANGES[@]}"
-  echo ""
-
-  echo "$FULLCHANGELOG"
+  trim "$(echo "$TEXT" | sort)"
+  [ "$NEWCONTRIBUTORS" ] && echo -e "\n\n## New contributors\n$NEWCONTRIBUTORS"
+  echo -e "\n\n$FULLCHANGELOG"
 }
 
 # generate a new changelog
 CHANGELOG=$(create_changelog)
-# write the changelog into the file
-echo "$CHANGELOG" > "$1"
 
-echo "Done."
+# Output the generated changelog
+echo "$CHANGELOG"