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srotsch/git_changelog_from_history.md

Created March 29, 2016 21:22
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Generate a basic changelog from Git history
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git_changelog_from_history.md

Render a simple list of all changes committed to a Git repository since the last tag

git --no-pager log --date=short --no-merges --pretty="%<(12)%ad%<(9)%h%s" `git describe --abbrev=0 --tags`..HEAD

Explaining the options

--no-pager Do not pipe Git output into a pager.

--date=short Show only the date, but not the time, in YYYY-MM-DD format.

--no-merges Do not print commits with more than one parent.

--pretty="%<(12)%ad%<(9)%h%s" Print the author date (%ad), abbreviated commit hash (%h) and subject (%s), nicely aligned (%<(12) and %<(9))

`git describe --abbrev=0 --tags`..HEAD Show only commits happened since the last tag (git describe --abbrev=0 --tags)

Example output from the TYPO3 crawler extension

2016-03-24  900f53a  [BUGFIX] Fix broken displayCond
2016-03-24  2957404  Revert "[TASK] Re-enable Workspace after Core Issue #70052 fixed"
2016-03-23  8a15cb6  [TASK] Missing "hide"/"disable" field in the configuration record form
2016-03-10  995b96f  [TASK] config.absRefPrefix not respected by tx_crawler_lib::getFrontendBasePath()
2016-03-18  8046f87  [TASK] Set version to 5.0.5-dev
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