chore: Add cliff configurations

Signed-off-by: Awiteb <a@4rs.nl>

cliff.toml

@@ -0,0 +1,110 @@
+[changelog]
+body = """
+{# Check if there is a `BREAKING-CHANGE` footer in the message or not  #}\
+{% macro is_breaking(commit) %}\
+    {{"BREAKING-CHANGE" in commit.message}}\
+{% endmacro is_breaking %}\
+
+{# Return the commit header #}\
+{% macro commit_header(commit) %}\
+    {{commit.message | split(pat="\n") | nth(n=0) | upper_first }}\
+{% endmacro commit_header %}\
+
+{# Return the `BREAKING-CHANGE` footer message #}\
+{% macro bc_des(commit) %}\
+    {% set lines = [] %}\
+    {% set found_breaking = false %}\
+    {% for line in commit.message | split(pat="\n") %}\
+        {% if found_breaking and line is not containing(":") %}\
+            {% set_global lines = lines | concat(with=line) %}\
+        {% elif found_breaking and line is containing(":") %}\
+            {% set_global found_breaking = false %}\
+        {% endif %}\
+        {% if line is starting_with("BREAKING-CHANGE") %}\
+            {% set_global found_breaking = true %}\
+            {% set breaking_line = line | split(pat=":") | nth(n=1) %}\
+            {% set_global lines = lines | concat(with=breaking_line) %}\
+        {% endif %}\
+    {% endfor %}\
+    {% if lines | length != 0 %}\
+        {{ lines | join(sep="\n") | trim_end(pat="\n") }}\
+    {% endif %}\
+{% endmacro bc_des %}\
+
+{% if version %}\
+    {% if previous.version %}\
+        ## [{{ version | trim_start_matches(pat="v") }}](<REPO>/compare/{{ previous.version }}..{{ version }}) - {{ timestamp | date(format="%Y-%m-%d") }}
+    {% else %}\
+        ## {{ version | trim_start_matches(pat="v") }} - {{ timestamp | date(format="%Y-%m-%d") }}
+    {% endif %}\
+{% else %}\
+    ## unreleased
+{% endif %}\
+
+{% for group, commits in commits | group_by(attribute="group") %}\
+    ### {{ group | upper_first }}
+    {% for commit in commits | sort(attribute="message") %}\
+        - {{ self::commit_header(commit=commit) }} ([`{{ commit.id | truncate(length=7, end="") }}`](<REPO>/commit/{{ commit.id }}))
+        {% if self::is_breaking(commit=commit) == "true" %}\
+        \t- **BC**: {{self::bc_des(commit=commit)}}
+        {% endif %}\
+    {% endfor %}\
+{% endfor %}\n
+"""
+
+footer = """
+This changelog was generated by [git-cliff](https://github.com/orhun/git-cliff)
+"""
+
+header = """
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).\n
+"""
+postprocessors = [
+  {pattern = '<REPO>', replace = "https://git.4rs.nl/awiteb/forgejo-guardian"},
+  {pattern = '- (\w+)(\(\w+\))?:', replace = "- "}, # Remove the type
+  {pattern = '- \((\w+)\):', replace = "- (**$1**)"}, # Make the scope blod
+  {pattern = "\t", replace = "    "},
+]
+
+# remove the leading and trailing whitespace from the template
+trim = true
+
+[git]
+# parse the commits based on https://www.conventionalcommits.org
+conventional_commits = false
+filter_unconventional = true
+# process each line of a commit as an individual commit
+split_commits = false
+# regex for preprocessing the commit messages
+commit_preprocessors = [
+  {pattern = '\((\w+\s)?#([0-9]+)\)', replace = "([**#${2}**](<REPO>/issues/${2}))"}, # replace issue numbers (Note the PR is also an issue in Forgejo, so this will also link to PRs)
+  {pattern = ' +$', replace = ""}, # Remove trailing whitespace.
+  {pattern = ' +', replace = " "}, # Replace multiple spaces with a single space.
+]
+# regex for parsing and grouping commits
+commit_parsers = [
+  {message = "^feat", group = "Added"},
+  {message = "^fix", group = "Fixed"},
+  {message = "^(refactor|change)", group = "Changed"},
+  {message = "^deprecate", group = "Deprecated"},
+  {message = "^remove", group = "Removed"},
+  {message = "^security", group = "Security"},
+]
+protect_breaking_commits = false
+# filter out the commits that are not matched by commit parsers
+filter_commits = false
+# regex for matching git tags
+tag_pattern = "v[0-9]+\\.[0-9]+\\.[0-9]+"
+
+# regex for skipping tags
+skip_tags = ""
+# regex for ignoring tags
+ignore_tags = "v[0-9]+\\.[0-9]+\\.[0-9]+-(alpha|beta|rc)(\\.[0-9]+)?"
+# sort the tags topologically
+topo_order = false
+# sort the commits inside sections by oldest/newest order
+sort_commits = "oldest"