Commit fda3017

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fix: prevent prerelase from creating a bump when there are no commits

Closes #281

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Original file line number	Diff line number	Diff line change
`@@ -112,6 +112,13 @@ def __call__(self): # noqa: C901`
`112`	`112`	`if increment is None:`
`113`	`113`	`increment = self.find_increment(commits)`
`114`	`114`
	`115`	`+ # It may happen that there are commits, but they are not elegible`
	`116`	`+ # for an increment, this generate a problem when using prerelease (#281)`
	`117`	`+ if prerelease and increment is None:`
	`118`	`+ raise NoCommitsFoundError(`
	`119`	`+ "[NO_COMMITS_FOUND]\n" "No commits found to generate a pre-release."`
	`120`	`+ )`
	`121`	`+`
`115`	`122`	`# Increment is removed when current and next version`
`116`	`123`	`# are expected to be prereleases.`
`117`	`124`	`if prerelease and current_version_instance.is_prerelease:`

Lines changed: 26 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -358,3 +358,29 @@ def test_bump_with_changelog_config(mocker, changelog_path, config_path):`
`358`	`358`	`out = f.read()`
`359`	`359`	`assert out.startswith("#")`
`360`	`360`	`assert "0.2.0" in out`
	`361`	`+`
	`362`	`+`
	`363`	`+def test_prevent_prerelease_when_no_increment_detected(`
	`364`	`+ mocker, capsys, tmp_commitizen_project`
	`365`	`+):`
	`366`	`+ create_file_and_commit("feat: new file")`
	`367`	`+`
	`368`	`+ testargs = ["cz", "bump", "--yes"]`
	`369`	`+ mocker.patch.object(sys, "argv", testargs)`
	`370`	`+`
	`371`	`+ cli.main()`
	`372`	`+ out, _ = capsys.readouterr()`
	`373`	`+`
	`374`	`+ assert "0.2.0" in out`
	`375`	`+`
	`376`	`+ create_file_and_commit("test: new file")`
	`377`	`+ testargs = ["cz", "bump", "-pr", "beta"]`
	`378`	`+ mocker.patch.object(sys, "argv", testargs)`
	`379`	`+`
	`380`	`+ with pytest.raises(NoCommitsFoundError) as excinfo:`
	`381`	`+ cli.main()`
	`382`	`+`
	`383`	`+ expected_error_message = (`
	`384`	`+ "[NO_COMMITS_FOUND]\n" "No commits found to generate a pre-release."`
	`385`	`+ )`
	`386`	`+ assert expected_error_message in str(excinfo.value)`

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