feat: ignore fixup and squash commit (#17)

Author: marionebl

source/library/is-ignored.js

@@ -3,6 +3,7 @@ import semver from 'semver';
 const WILDCARDS = [
 	c => c.match(/^(Merge pull request)|(Merge (.*?) into (.*?)|(Merge branch (.*?))$)/),
 	c => c.match(/^(R|r)evert (.*)/),
+	c => c.match(/^(fixup|squash)!/),
 	c => semver.valid(c)
 ];
 

source/library/is-ignored.test.js

@@ -40,3 +40,11 @@ test('should return true for npm version commits', t => {
 	t.true(isIgnored(`0.0.1-some-crazy-tag.999`));
 	t.true(isIgnored(`0.0.1-1e69d54`));
 });
+
+test('should return true fixup commits', t => {
+	t.true(isIgnored('fixup! initial commit'));
+});
+
+test('should return true squash commits', t => {
+	t.true(isIgnored('squash! initial commit'));
+});