feat(issue-54): backport pr commits without squash (#55)

* feat(issue-54): backport pr commits without squash

fix https://github.com/kiegroup/git-backporting/issues/54

* feat(issue-54): fixed readme

src/service/args/args-parser.ts

@@ -38,6 +38,7 @@ export default abstract class ArgsParser {
       inheritReviewers: this.getOrDefault(args.inheritReviewers, true),
       labels: this.getOrDefault(args.labels, []),
       inheritLabels: this.getOrDefault(args.inheritLabels, false),
+      squash: this.getOrDefault(args.squash, true),
     };
   }
 }

src/service/args/args.types.ts

@@ -18,4 +18,5 @@ export interface Args {
   inheritReviewers?: boolean, // if true and reviewers == [] then inherit reviewers from original pr
   labels?: string[], // backport pr labels
   inheritLabels?: boolean, // if true inherit labels from original pr
+  squash?: boolean, // if false use squashed/merged commit otherwise backport all commits as part of the pr
 }

src/service/args/cli/cli-args-parser.ts

@@ -26,6 +26,7 @@ export default class CLIArgsParser extends ArgsParser {
       .option("--no-inherit-reviewers", "if provided and reviewers option is empty then inherit them from original pull request")
       .option("--labels <labels>", "comma separated list of labels to be assigned to the backported pull request", getAsCommaSeparatedList)
       .option("--inherit-labels", "if true the backported pull request will inherit labels from the original one")
+      .option("--no-squash", "if provided the tool will backport all commits as part of the pull request")
       .option("-cf, --config-file <config-file>", "configuration file containing all valid options, the json must match Args interface");
   }
 
@@ -56,6 +57,7 @@ export default class CLIArgsParser extends ArgsParser {
         inheritReviewers: opts.inheritReviewers,
         labels: opts.labels,
         inheritLabels: opts.inheritLabels,
+        squash: opts.squash,
       };
     }
 

src/service/args/gha/gha-args-parser.ts

@@ -29,6 +29,7 @@ export default class GHAArgsParser extends ArgsParser {
         inheritReviewers: !getAsBooleanOrDefault(getInput("no-inherit-reviewers")),
         labels: getAsCommaSeparatedList(getInput("labels")),
         inheritLabels: getAsBooleanOrDefault(getInput("inherit-labels")),
+        squash: !getAsBooleanOrDefault(getInput("no-squash")),
       };
     }