From 7db6bbf3572ec305ae6cc6df2bdeda2bcb252ea6 Mon Sep 17 00:00:00 2001
From: 6543 <6543@obermui.de>
Date: Sat, 22 May 2021 11:49:45 +0000
Subject: [PATCH] Make config set via args or ENV-Vars (#11)

close #1

Reviewed-on: https://code.obermui.de/6543/GitLab_MergeDevel2Default/pulls/11
Co-authored-by: 6543 <6543@obermui.de>
Co-committed-by: 6543 <6543@obermui.de>
---
 merge/merge.go | 121 ++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 99 insertions(+), 22 deletions(-)

diff --git a/merge/merge.go b/merge/merge.go
index 0d4b5c1..85f045b 100644
--- a/merge/merge.go
+++ b/merge/merge.go
@@ -74,30 +74,103 @@ var CmdMerge = cli.Command{
 	Usage:       "run script for merge subcommand",
 	Description: `run script for merge subcommand`,
 	Action:      runMerge,
+	Flags: []cli.Flag{
+		&cli.StringFlag{
+			Name:     "token",
+			Usage:    "GitLab Access Token",
+			EnvVars:  []string{"TOKEN"},
+			Required: false,
+		},
+		&cli.StringFlag{
+			Name:     "url",
+			Usage:    "GitLab Base URL",
+			EnvVars:  []string{"BASE_URL"},
+			Required: false,
+		},
+		&cli.IntFlag{
+			Name:     "group-id",
+			Usage:    "Group ID where repositories are stored",
+			EnvVars:  []string{"GROUP_ID"},
+			Required: false,
+		},
+		&cli.StringFlag{
+			Name:     "group-name",
+			Usage:    "Group Name where repositories are stored, it's used if group-id is not set",
+			EnvVars:  []string{"GROUP_NAME"},
+			Required: false,
+		},
+		&cli.StringFlag{
+			Name:     "repo-ignore-pattern",
+			Usage:    "Repo Ignore Pattern",
+			EnvVars:  []string{"REPO_IGNORE_PATTERN"},
+			Required: false,
+		},
+
+		&cli.StringFlag{
+			Name:     "branch-pattern",
+			Usage:    "Merge Branches with patter",
+			EnvVars:  []string{"BRANCH_PATTERN"},
+			Required: false,
+		},
+	},
 }
 
 // runMerge run script for merge subcommand
 func runMerge(ctx *cli.Context) error {
 	values := loadCache()
+	interactive := false
 
-	// ask for infos
-	if err := survey.AskOne(&survey.Input{Message: "GitLab Base URL:", Default: values.baseURL}, &values.baseURL); err != nil {
-		return err
-	}
-	if err := survey.AskOne(&survey.Input{Message: "GitLab Token:", Default: values.token}, &values.token); err != nil {
-		return err
-	}
-	if err := survey.AskOne(&survey.Input{Message: "Group Name:", Default: values.orgName}, &values.orgName); err != nil {
-		return err
-	}
-	if err := survey.AskOne(&survey.Input{Message: "Ignore Repo with patter:", Default: values.repoExclude}, &values.repoExclude); err != nil {
-		return err
-	}
-	if err := survey.AskOne(&survey.Input{Message: "Merge Branches with patter:", Default: values.pullBaseBranch}, &values.pullBaseBranch); err != nil {
-		return err
+	if ctx.IsSet("token") {
+		values.token = ctx.String("token")
+	} else {
+		interactive = true
+		if err := survey.AskOne(&survey.Input{Message: "GitLab Token:", Default: values.token}, &values.token); err != nil {
+			return err
+		}
 	}
 
-	saveCache(values)
+	if ctx.IsSet("url") {
+		values.baseURL = ctx.String("url")
+	} else {
+		interactive = true
+		if err := survey.AskOne(&survey.Input{Message: "GitLab Base URL:", Default: values.baseURL}, &values.baseURL); err != nil {
+			return err
+		}
+	}
+
+	orgID := ctx.Int("group-id")
+	if orgID == 0 {
+		if ctx.IsSet("group-name") {
+			values.orgName = ctx.String("group-name")
+		} else {
+			interactive = true
+			if err := survey.AskOne(&survey.Input{Message: "Group Name:", Default: values.orgName}, &values.orgName); err != nil {
+				return err
+			}
+		}
+	}
+
+	if ctx.IsSet("repo-ignore-pattern") {
+		values.repoExclude = ctx.String("repo-ignore-pattern")
+	} else {
+		interactive = true
+		if err := survey.AskOne(&survey.Input{Message: "Ignore Repo with patter:", Default: values.repoExclude}, &values.repoExclude); err != nil {
+			return err
+		}
+	}
+
+	if ctx.IsSet("branch-pattern") {
+		values.pullBaseBranch = ctx.String("branch-pattern")
+	} else {
+		interactive = true
+		if err := survey.AskOne(&survey.Input{Message: "Merge Branches with patter:", Default: values.pullBaseBranch}, &values.pullBaseBranch); err != nil {
+			return err
+		}
+	}
+
+	if interactive {
+		saveCache(values)
+	}
 
 	// Compile glob regex
 	excludeRule, err := glob.Compile(values.repoExclude)
@@ -115,19 +188,23 @@ func runMerge(ctx *cli.Context) error {
 		return fmt.Errorf("Could not create Client: %v\n", err)
 	}
 
-	// discover GroupID by name
-	org, _, err := client.Groups.GetGroup(values.orgName)
-	if err != nil {
-		return fmt.Errorf("Error cant get information for Organisation \"%s\": %v", values.orgName, err)
+	if orgID == 0 {
+		// discover GroupID by name
+		org, _, err := client.Groups.GetGroup(values.orgName)
+		if err != nil {
+			return fmt.Errorf("Error cant get information for Organisation \"%s\": %v", values.orgName, err)
+		}
+		fmt.Printf("Found \"%s\"\n", org.WebURL)
+
+		orgID = org.ID
 	}
-	fmt.Printf("Found \"%s\"\n", org.WebURL)
 
 	var repoList []*gitlab.Project
 	var page = 1
 	fmt.Printf("Retrieving repository list...\n")
 	for {
 		fmt.Printf("%d", page)
-		repos, _, err := client.Groups.ListGroupProjects(org.ID, &gitlab.ListGroupProjectsOptions{
+		repos, _, err := client.Groups.ListGroupProjects(orgID, &gitlab.ListGroupProjectsOptions{
 			ListOptions:      gitlab.ListOptions{PerPage: 10, Page: page},
 			Archived:         utils.OptBool(false),
 			IncludeSubgroups: utils.OptBool(false),