This is a command line tool for generating a changelog, or releasenotes, from a GIT repository. It uses the Git Changelog Lib.
This is a Java application (runnable jar) packaged into an NPM package for convenience.
jar can be found in Maven Central and used like java -jar git-changelog-command-line-*.jar .....npm package can be found in NPM.Docker image can be found in Dockerhub and used like docker run --mount src="$(pwd)",target=/usr/src/git-changelog-command-line,type=bind tomasbjerre/git-changelog-command-line:X --help.A changelog can be created like this.
npx git-changelog-command-line -std
Or, you can specify a template:
npx git-changelog-command-line -std -tec "
# Changelog
Changelog.
{{#tags}}
## {{name}}
{{#issues}}
{{#hasIssue}}
{{#hasLink}}
### {{name}} [{{issue}}]({{link}}) {{title}} {{#hasIssueType}} *{{issueType}}* {{/hasIssueType}} {{#hasLabels}} {{#labels}} *{{.}}* {{/labels}} {{/hasLabels}}
{{/hasLink}}
{{^hasLink}}
### {{name}} {{issue}} {{title}} {{#hasIssueType}} *{{issueType}}* {{/hasIssueType}} {{#hasLabels}} {{#labels}} *{{.}}* {{/labels}} {{/hasLabels}}
{{/hasLink}}
{{/hasIssue}}
{{^hasIssue}}
### {{name}}
{{/hasIssue}}
{{#commits}}
**{{{messageTitle}}}**
{{#messageBodyItems}}
* {{.}}
{{/messageBodyItems}}
[{{hash}}](https://github.com/{{ownerName}}/{{repoName}}/commit/{{hash}}) {{authorName}} *{{commitTime}}*
{{/commits}}
{{/issues}}
{{/tags}}
" Example - Semantic versioning from conventional commits
If you are using conventional commits:
<type>[optional scope]: <description> [optional body] [optional footer(s)]
The highest version can be determined with:
highestTag=$(npx git-changelog-command-line \ --print-highest-version-tag) echo Last release detected as $highestTag
You can also get the tag with --print-highest-version-tag. Highest version may be 1.2.3 and highest tag may be v1.2.3.
Next version to release can be determined with:
nextVersion=$(npx git-changelog-command-line \ --print-next-version) echo Next release based on commits is: $nextVersion
There are default patterns, but you can specify the patterns with:
--major-version-pattern REGEXP--minor-version-pattern REGEXP--patch-version-pattern REGEXPBy default it will match anything as patch, like chore: whatever and not only fix: whatever. You can change that with:
highestVersion=$(npx git-changelog-command-line \
--print-highest-version)
highestVersionTag=$(npx git-changelog-command-line \
--print-highest-version-tag)
currentVersion=$(npx git-changelog-command-line \
--patch-version-pattern "^fix.*" \
--print-current-version)
if [ -z "$highestVersionTag" ]; then
echo "This is the first version in the repo, using 0.0.1 as version"
currentVersion=0.0.1
else if [ "$currentVersion" == "$highestVersion" ]; then
echo "No changes made that can be released"
else
echo "Changes detected and a new $currentVersion release can be made"
fi
A changelog can be rendered (using Helpers) like this:
npx git-changelog-command-line \
--to-ref HEAD \
--stdout \
--template-content "
# Changelog
{{#tags}}
{{#ifReleaseTag .}}
## [{{name}}](https://github.com/tomasbjerre/someproject/compare/{{name}}) ({{tagDate .}})
{{#ifContainsType commits type='feat'}}
### Features
{{#commits}}
{{#ifCommitType . type='feat'}}
- {{#eachCommitScope .}} **{{.}}** {{/eachCommitScope}} {{{commitDescription .}}} ([{{hash}}](https://github.com/tomasbjerre/someproject/commit/{{hashFull}}))
{{/ifCommitType}}
{{/commits}}
{{/ifContainsType}}
{{#ifContainsType commits type='fix'}}
### Bug Fixes
{{#commits}}
{{#ifCommitType . type='fix'}}
- {{#eachCommitScope .}} **{{.}}** {{/eachCommitScope}} {{{commitDescription .}}} ([{{hash}}](https://github.com/tomasbjerre/someproject/commit/{{hashFull}}))
{{/ifCommitType}}
{{/commits}}
{{/ifContainsType}}
{{/ifReleaseTag}}
{{/tags}}
"
Or you can prepend to the current changelog. You may get $nextVersion from --print-next-version and $highestTag from --print-highest-version-tag. Somehting like this:
npx git-changelog-command-line \
--from-ref $highestTag \
--to-ref HEAD \
--prepend-to-file CHANGELOG.md \
--template-content "
## $nextVersion
{{#ifContainsType commits type='feat'}}
## Features
{{#commits}}
{{#ifCommitType . type='feat'}}
{{#eachCommitScope .}} **{{.}}** {{/eachCommitScope}} {{{commitDescription .}}} ([{{hash}}](https://github.com/tomasbjerre/someproject/commit/{{hashFull}}))
{{/ifCommitType}}
{{/commits}}
{{/ifContainsType}}
{{#ifContainsType commits type='fix'}}
## Bug Fixes
{{#commits}}
{{#ifCommitType . type='fix'}}
{{#eachCommitScope .}} **{{.}}** {{/eachCommitScope}} {{{commitDescription .}}} ([{{hash}}](https://github.com/tomasbjerre/someproject/commit/{{hashFull}}))
{{/ifCommitType}}
{{/commits}}
{{/ifContainsType}}
" Example NPM and package.json
If you are using NPM, you may want to add this to your package.json:
{
"scripts": {
"build": "echo build it...",
"release": "npm run set-version; npm run build && npm publish && npm run changelog",
"set-version": "npm version $(npx git-changelog-command-line --print-next-version)",
"changelog": "npx git-changelog-command-line -of CHANGELOG.md && git commit -a -m 'chore: changelog' && git push --follow-tags"
}
}
And if you do npm run release it will:
package.jsonYou can supply your own helpers and use them in the template.
npx git-changelog-command-line \
--to-ref HEAD \
--stdout \
--template-content "
{{#commits}}
{{#startsWith messageTitle s='feat'}}
Starts with feat: "{{messageTitle}}"
first 10 letters of hash is: {{firstLetters hash number='10'}}
{{/startsWith}}
{{/commits}}
" \
--register-handlebars-helper "
Handlebars.registerHelper('firstLetters', function(input, options) {
const number = parseInt(options.hash['number'] || "0")
return input.substring(0,number);
});
Handlebars.registerHelper('startsWith', function(from, options) {
const s = options.hash['s']
if (new RegExp('^' + s + '.*').test(from)) {
return options.fn(this);
} else {
return options.inverse(this);
}
});
"
Or from command line:
-cl, --custom-issue-link <string> Custom issue link.
Supports variables like
${PATTERN_GROUP_1} to inject variables
from pattern.
<string>: any string
Default: null
-cn, --custom-issue-name <string> Custom issue name.
<string>: any string
Default: null
-cp, --custom-issue-pattern <string> Custom issue pattern.
<string>: any string
Default: null
-ct, --custom-issue-title <string> Custom issue title.
Supports variables like
${PATTERN_GROUP_1} to inject variables
from pattern.
<string>: any string
Default: null
-df, --date-format <string> Format to use when
printing dates.
<string>: any string
Default: YYYY-MM-dd HH:mm:ss
-eh, --extended-headers <string> Extended headers that
will send when access JIRA.
e.g. -eh CF-Access-
Client-ID:abcde12345xyz.access [Supports Multiple occurrences]
<string>: any string
Default: Empty list
-en, --encoding <string> Encoding to use when
writing content.
<string>: any string
Default: UTF-8
-ex, --extended-variables <string> Extended variables
that will be available as
{{extended.*}}. -ex "{\"var1\": \"
val1\"}" will print out "val1"
for a template like
"{{extended.var1}}"
<string>: any string
Default:
-fre, --from-revision <string> From revision.
<string>: any string
Default: 0000000000000000000000000000000000000000
-frei, --from-revision-inclusiveness Include, or exclude,
<InclusivenessStrategy> specified revision.
<InclusivenessStrategy>: {INCLUSIVE | EXCLUSIVE | DEFAULT}
Default: DEFAULT
-gapi, --github-api <string> GitHub API. Like:
https://api.github.
com/repos/tomasbjerre/git-changelog-command-line/
<string>: any string
Default:
-ge, --github-enabled Enable parsing for
GitHub issues.
Default: disabled
-gl, --gitlab-enabled Enable parsing for
GitLab issues.
Default: disabled
-glp, --gitlab-issue-pattern <string> GitLab issue pattern.
<string>: any string
Default:
-glpn, --gitlab-project-name <string> GitLab project name.
<string>: any string
Default:
-gls, --gitlab-server <string> GitLab server, like
https://gitlab.com/.
<string>: any string
Default:
-glt, --gitlab-token <string> GitLab API token.
<string>: any string
Default:
-gtok, --github-token <string> GitHub API OAuth2
token. You can get it from:
curl -u 'yourgithubuser' -d
'{"note":"Git Changelog Lib"}'
https://api.github.
com/authorizations
<string>: any string
Default:
-h, --help <argument-to-print-help-for> <argument-to-print-help-for>: an argument to print help for
Default: If no specific parameter is given the whole usage text is given
-handlebars-helper-file, -hhf <path> Can be used to add
extra helpers.
<path>: a file path
Default: /home/bjerre/workspace/git-changelog/git-changelog-command-line/.
-ini, --ignore-commits-without-issue Ignore commits that is
not included in any issue.
Default: disabled
-iot, --ignore-older-than <string> Ignore commits older
than yyyy-MM-dd HH:mm:ss.
<string>: any string
Default:
-ip, --ignore-pattern <string> Ignore commits where
pattern matches message.
<string>: any string
Default: ^Merge.*
-itp, --ignore-tag-pattern <string> Ignore tags that
matches regular expression.
Can be used to ignore
release candidates and only
include actual releases.
<string>: any string
Default: null
-jaf, --jira-additional-field <string> Adds an additional
field for Jira. When
configured, we will return from
Jira the result of this
field, if it exists. [Supports Multiple occurrences]
<string>: any string
Default: Empty list
-jba, --jira-basic-auth <string> Optional token to
authenticate with Jira.
<string>: any string
Default: \\b[a-zA-Z]([a-zA-Z]+)-([0-9]+)\\b
-jbt, --jira-bearer <string> Optional token to
authenticate with Jira.
<string>: any string
Default: \\b[a-zA-Z]([a-zA-Z]+)-([0-9]+)\\b
-je, --jira-enabled Enable parsing for
Jira issues.
Default: disabled
-jp, --jira-pattern <string> Jira issue pattern.
<string>: any string
Default: \\b[a-zA-Z]([a-zA-Z]+)-([0-9]+)\\b
-jpw, --jira-password <string> Optional password to
authenticate with Jira.
<string>: any string
Default: \\b[a-zA-Z]([a-zA-Z]+)-([0-9]+)\\b
-js, --jiraServer, --jira-server <string> Jira server. When a
Jira server is given, the
title of the Jira issues can
be used in the changelog.
<string>: any string
Default: null
-ju, --jira-username <string> Optional username to
authenticate with Jira.
<string>: any string
Default: \\b[a-zA-Z]([a-zA-Z]+)-([0-9]+)\\b
-mavp, --major-version-pattern <string> Commit messages
matching this, optional,
regular expression will
trigger new major version.
<string>: any string
Default: null
-mivp, --minor-version-pattern <string> Commit messages
matching this, optional,
regular expression will
trigger new minor version.
<string>: any string
Default: ^[Ff]eat.*
-ni, --no-issue-name <string> Name of virtual issue
that contains commits that
has no issue associated.
<string>: any string
Default: No issue
-of, --output-file <string> Write output to file.
<string>: any string
Default:
-pavp, --patch-version-pattern <string> Commit messages
matching this, optional,
regular expression will
trigger new patch version.
<string>: any string
Default: null
-pcv, --print-current-version Like --print-next-
version unless the current
commit is tagged with a
version, if so it will print
that version.
Default: disabled
-pf, --path-filters <string> Paths on the
filesystem to filter on. [Supports Multiple occurrences]
<string>: any string
Default: Empty list
-phv, --print-highest-version Print the highest
version, determined by tags in
repo, and exit.
Default: disabled
-phvt, --print-highest-version-tag Print the tag
corresponding to highest version,
and exit.
Default: disabled
-pnv, --print-next-version Print the next
version, determined by commits
since highest version, and
exit.
Default: disabled
-pt, --prepend-template <string> Template to use when
prepending. A default template
will be used if not
specified.
<string>: any string
Default: changelog-prepend.mustache
-ptf, --prepend-to-file <string> Add the changelog to
top of given file.
<string>: any string
Default: null
-r, --repo <string> Repository.
<string>: any string
Default: .
-re, --redmine-enabled Enable parsing for
Redmine issues.
Default: disabled
-rhh, --register-handlebars-helper <string> Handlebar helpers,
https://handlebarsjs.
com/guide/block-helpers.html, to
register and use in given
template.
<string>: any string
Default:
-ri, --remove-issue-from-message Dont print any issues
in the messages of
commits.
Default: disabled
-rmp, --redmine-pattern <string> Redmine issue pattern.
<string>: any string
Default: #([0-9]+)
-rmpw, --redmine-password <string> Optional password to
authenticate with Redmine.
<string>: any string
Default:
-rms, --redmine-server <string> Redmine server. When a
Redmine server is given, the
title of the Redmine issues
can be used in the
changelog.
<string>: any string
Default: null
-rmt, --redmine-token <string> Optional token/api-key
to authenticate with
Redmine.
<string>: any string
Default:
-rmu, --redmine-username <string> Optional username to
authenticate with Redmine.
<string>: any string
Default:
-rt, --readable-tag-name <string> Pattern to extract
readable part of tag.
<string>: any string
Default: /([^/]+?)$
-sf, --settings-file <string> Use settings from file.
<string>: any string
Default: null
--show-debug-info Please run your
command with this parameter
and supply output when
reporting bugs.
Default: disabled
-std, --stdout Print builder to
<STDOUT>.
Default: disabled
-t, --template <string> Template to use. A
default template will be used
if not specified.
<string>: any string
Default: changelog.mustache
-tbd, --template-base-dir <string> Base dir of templates.
<string>: any string
Default: null
-tec, --template-content <string> String to use as
template.
<string>: any string
Default:
-tps, --template-partial-suffix <string> File ending for
partials.
<string>: any string
Default: .hbs
-tre, --to-revision <string> To revision.
<string>: any string
Default: refs/heads/master
-trei, --to-revision-inclusiveness Include, or exclude,
<InclusivenessStrategy> specified revision.
<InclusivenessStrategy>: {INCLUSIVE | EXCLUSIVE | DEFAULT}
Default: DEFAULT
-tz, --time-zone <string> TimeZone to use when
printing dates.
<string>: any string
Default: UTC
-ui, --use-integrations Use integrations to
get more details on
commits.
Default: disabled
-ut, --untagged-name <string> When listing commits
per tag, this will by the
name of a virtual tag that
contains commits not available
in any git tag.
<string>: any string
Default: No tag Usage - template base dir
You can use partials in your templates.
/dir/changelog.hbs
{{#commits}}
{{> commit}}
{{/commits}}
/dir/base/commit.partial
## {{authorName}} - {{commitTime}}
[{{hashFull}}](https://server/{{hash}})
{{{message}}}
This is configured like:
npx git-changelog-command-line -std \ --template-base-dir /dir/base \ --template /dir/changelog.hbs
If partials have a different ending, you can specify that with --template-partial-suffix.
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