adding auto-chart-bump feature

main.go

@@ -185,9 +185,9 @@ func main() {
 	branchFlag := cli.StringFlag{
 		Name: "branch,b",
 		Usage: `Usage:
-					./bin/charts-build-scripts <command> --branch="release-v2.y"
-					BRANCH="release-v2.y" make <command>
-					Available branches for release: (release-v2.8; release-v2.9; release-v2.10...)
+					./bin/charts-build-scripts <command> --branch="release-v2.y" OR
+					BRANCH="dev-v2.y" make <command>
+					Available branches: (release-v2.8; dev-v2.9; release-v2.10.)
 					`,
 		Required:    true,
 		EnvVar:      defaultBranchEnvironmentVariable,
@@ -386,11 +386,12 @@ func main() {
 			Flags:  []cli.Flag{branchFlag},
 		},
 		{
-			Name: "auto-chart-bump",
+			Name: "chart-bump",
 			Usage: `Generate a new chart bump PR.
 			`,
-			Action: autoChartBump,
-			Flags:  []cli.Flag{branchFlag},
+			Action: chartBump,
+			Before: setupCache,
+			Flags:  []cli.Flag{packageFlag, branchFlag},
 		},
 	}
 
@@ -399,10 +400,6 @@ func main() {
 	}
 }
 
-func autoChartBump(c *cli.Context) {
-
-}
-
 func listPackages(c *cli.Context) {
 	repoRoot := getRepoRoot()
 	packageList, err := charts.ListPackages(repoRoot, CurrentPackage)