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Git Changelog Gen

Generate changelogs from git commits.

Overview

Generate changelogs from git commits.

Generate a human-readable changelog from git commit history. Works with any git repository.

No dependencies required. Uses only git and bash.

bash

bash scripts/changelog.sh --repo /path/to/repo

bash

bash scripts/changelog.sh --repo /path/to/repo --since "2026-01-01"

bash

bash scripts/changelog.sh --repo /path/to/repo --since "2026-01-01" --until "2026-02-01"

bash

bash scripts/changelog.sh --repo /path/to/repo --format json

bash

bash scripts/changelog.sh --repo /path/to/repo --format plain

Format	Description
markdown	Default. Headers, commit hashes, authors, dates
plain	Simple bullet list
json	Array of commit objects with hash, subject, author, date, type

Flag	Description	Default
--repo	Repository path	Current directory
--since	Start date	Last tag or 30 days ago
--until	End date	Now
--format	Output format	markdown
--group	Group by conventional commit type	Off (needs bash 4+)

Automatically detects the last git tag and uses it as the start point
Excludes merge commits for cleaner output
Conventional commit types (feat/fix/docs/etc) are extracted for JSON output
--group mode requires bash 4+ (macOS ships with 3.2; install via brew install bash)