When there is no login detected, list all possible logins to select

2025-10-31 09:15:26 +01:00 · 2025-10-03 12:06:31 -07:00
parent 4f33146b70
commit 376476150e
61 changed files with 270 additions and 201 deletions
--- a/cmd/base/command.go
+++ b/cmd/base/command.go
@@ -0,0 +1,105 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package base
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	"code.gitea.io/tea/modules/config"
+	"code.gitea.io/tea/modules/context"
+	"code.gitea.io/tea/modules/interact"
+	"code.gitea.io/tea/modules/utils"
+
+	gogit "github.com/go-git/go-git/v5"
+	"github.com/urfave/cli/v3"
+)
+
+// InitCommand resolves the application context, and returns the active login, and if
+// available the repo slug. It does this by reading the config file for logins, parsing
+// the remotes of the .git repo specified in repoFlag or $PWD, and using overrides from
+// command flags. If a local git repo can't be found, repo slug values are unset.
+func InitCommand(cmd *cli.Command) *context.TeaContext {
+	// these flags are used as overrides to the context detection via local git repo
+	repoFlag := cmd.String("repo")
+	loginFlag := cmd.String("login")
+	remoteFlag := cmd.String("remote")
+
+	var (
+		c                  context.TeaContext
+		err                error
+		repoPath           string // empty means PWD
+		repoFlagPathExists bool
+	)
+
+	// check if repoFlag can be interpreted as path to local repo.
+	if len(repoFlag) != 0 {
+		if repoFlagPathExists, err = utils.DirExists(repoFlag); err != nil {
+			log.Fatal(err.Error())
+		}
+		if repoFlagPathExists {
+			repoPath = repoFlag
+		}
+	}
+
+	if len(remoteFlag) == 0 {
+		remoteFlag = config.GetPreferences().FlagDefaults.Remote
+	}
+
+	if repoPath == "" {
+		if repoPath, err = os.Getwd(); err != nil {
+			log.Fatal(err.Error())
+		}
+	}
+
+	// try to read local git repo & extract context: if repoFlag specifies a valid path, read repo in that dir,
+	// otherwise attempt PWD. if no repo is found, continue with default login
+	if c.LocalRepo, c.Login, c.RepoSlug, err = context.ContextFromLocalRepo(repoPath, remoteFlag); err != nil {
+		if err == context.ErrNotAGiteaRepo || err == gogit.ErrRepositoryNotExists {
+			// we can deal with that, commands needing the optional values use ctx.Ensure()
+		} else {
+			log.Fatal(err.Error())
+		}
+	}
+
+	if len(repoFlag) != 0 && !repoFlagPathExists {
+		// if repoFlag is not a valid path, use it to override repoSlug
+		c.RepoSlug = repoFlag
+	}
+
+	// override config user with env variable
+	envLogin := context.GetLoginByEnvVar()
+	if envLogin != nil {
+		_, err := utils.ValidateAuthenticationMethod(envLogin.URL, envLogin.Token, "", "", false, "", "")
+		if err != nil {
+			log.Fatal(err.Error())
+		}
+		c.Login = envLogin
+	}
+
+	// override login from flag, or use default login if repo based detection failed
+	if len(loginFlag) != 0 {
+		c.Login = config.GetLoginByName(loginFlag)
+		if c.Login == nil {
+			log.Fatalf("Login name '%s' does not exist", loginFlag)
+		}
+	} else if c.Login == nil {
+		c.Login, err = interact.LoginSelect()
+		if err != nil {
+			// TODO: maybe we can directly start interact.CreateLogin() (only if
+			// we're sure we can interactively!), as gh cli does.
+			fmt.Println(`No gitea login configured. To start using tea, first run
+  tea login add
+and then run your command again.`)
+			os.Exit(1)
+		}
+	}
+
+	// parse reposlug (owner falling back to login owner if reposlug contains only repo name)
+	c.Owner, c.Repo = utils.GetOwnerAndRepo(c.RepoSlug, c.Login.User)
+	c.Command = cmd
+	c.Output = cmd.String("output")
+	return &c
+}