### Install changelogger from Source

Source: https://github.com/drgarcia1986/changelogger/blob/main/README.md

Use 'go get' to install changelogger directly from its source repository.

```bash
go get github.com/drgarcia1986/changelogger
```

--------------------------------

### Example Changelog Directory Structure

Source: https://context7.com/drgarcia1986/changelogger/llms.txt

Illustrates the expected directory structure and file naming conventions for changelog entries.

```bash
# Example directory structure
.changelog/
├── new-api.added           # "New REST API for user management"
├── auth-feature.added      # "Two-factor authentication support"
├── config-format.changed   # "Configuration file format changed to YAML"
├── legacy-code.removed     # "Removed Python 2.7 compatibility layer"
└── null-pointer.fixed      # "Fixed null pointer exception in parser"
```

--------------------------------

### Changelog File Placeholder Replacement Example

Source: https://github.com/drgarcia1986/changelogger/blob/main/README.md

Illustrates how changelogger replaces the '[changelogger-notes]::' placeholder in a changelog file with new version entries.

```diff
# Changelog

- [changelogger-notes]::
+ [changelogger-notes]::
+
+ ## v0.0.1 (2021-05-22)
+ ### Added
+ * A new cool feature
+
+ ## Removed
+ * The deprecated feature

```

--------------------------------

### Display Changelogger Help

Source: https://context7.com/drgarcia1986/changelogger/llms.txt

Display help and available options for the changelogger CLI.

```bash
changelogger -h
# Usage of changelogger:
#   -dir string
#         Directory of changelog entries
#   -path string
#         Path of the changelog file
#   -version string
#         The release version
```

--------------------------------

### Display changelogger Help Information

Source: https://github.com/drgarcia1986/changelogger/blob/main/README.md

Run changelogger with the -h flag to view its usage instructions and available options.

```bash
changelogger -h
```

--------------------------------

### Create Changelog Entry Files

Source: https://context7.com/drgarcia1986/changelogger/llms.txt

Create individual changelog entry files with specific extensions (.added, .fixed, .removed, .changed) in the designated directory.

```bash
# Create the changelog entries directory
mkdir -p .changelog

# Add a new feature entry
echo "User authentication with OAuth2 support" > .changelog/oauth-feature.added

# Add a bug fix entry
echo "Fixed memory leak in connection pool" > .changelog/connection-fix.fixed

# Add a deprecation/removal entry
echo "Removed deprecated API v1 endpoints" > .changelog/api-v1.removed

# Add a change entry
echo "Updated database driver to version 2.0" > .changelog/db-driver.changed
```

--------------------------------

### Create Changelog Entry Interactively

Source: https://context7.com/drgarcia1986/changelogger/llms.txt

Interactively prompts the user for an entry name, type (added/changed/removed/fixed), and description to create a new changelog entry file in the specified directory.

```makefile
.PHONY: changelog-entry
changelog-entry:
	@read -p "Entry name (e.g., my-feature): " name; \
	read -p "Type (added/changed/removed/fixed): " type; \
	read -p "Description: " desc; \
	echo "$$desc" > $(CHANGELOG_DIR)/$$name.$$type
	@echo "Created $(CHANGELOG_DIR)/$$name.$$type"
```

--------------------------------

### Generate Changelog with Specific Options

Source: https://github.com/drgarcia1986/changelogger/blob/main/README.md

Execute changelogger specifying the directory for entries, the path to the changelog file, and the release version.

```bash
changelogger -dir ./.changelog -path ./CHANGELOG.md -version v1.1.2
```

--------------------------------

### GitHub Actions Workflow for Release

Source: https://context7.com/drgarcia1986/changelogger/llms.txt

Automate changelog generation and commit during the release process using GitHub Actions.

```yaml
# .github/workflows/release.yml
name: Release

on:
  push:
    tags:
      - 'v*'

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Set up Go
        uses: actions/setup-go@v4
        with:
          go-version: '1.21'

      - name: Install changelogger
        run: go install github.com/drgarcia1986/changelogger@latest

      - name: Generate changelog
        run: |
          VERSION=${GITHUB_REF#refs/tags/}
          changelogger -dir ./.changelog -path ./CHANGELOG.md -version $VERSION

      - name: Commit changelog
        run: |
          git config user.name "GitHub Actions"
          git config user.email "actions@github.com"
          git add CHANGELOG.md
          git commit -m "Update CHANGELOG for ${{ github.ref_name }}"
          git push origin HEAD:main
```

--------------------------------

### Generate Changelog with Version

Source: https://context7.com/drgarcia1986/changelogger/llms.txt

Generates the CHANGELOG.md file for a specific version. Requires the VERSION variable to be set to a value other than the default 'v0.0.0'.

```makefile
VERSION ?= v0.0.0
CHANGELOG_DIR := .changelog
CHANGELOG_FILE := CHANGELOG.md

.PHONY: changelog
changelog:
	@if [ "$(VERSION)" = "v0.0.0" ]; then \
		echo "Usage: make changelog VERSION=v1.2.3"; \
		exit 1; \
	fi
	changelogger -dir $(CHANGELOG_DIR) -path $(CHANGELOG_FILE) -version $(VERSION)
```

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