Merge pull request #2 from MichaelMure/migration-2

Add keyring migration

Author: MichaelMure

.travis.yml

@@ -1,11 +1,11 @@
 matrix:
   include:
-  - language: go
-    go: 1.12.x
   - language: go
     go: 1.13.x
   - language: go
     go: 1.14.x
+  - language: go
+    go: 1.15.x
 
 env:
   GO111MODULE=on

Makefile

@@ -4,7 +4,7 @@ GIT_COMMIT:=$(shell git rev-list -1 HEAD)
 GIT_LAST_TAG:=$(shell git describe --abbrev=0 --tags)
 GIT_EXACT_TAG:=$(shell git name-rev --name-only --tags HEAD)
 
-COMMANDS_PATH:=github.com/MichaelMure/git-bug-migration/commands
+COMMANDS_PATH:=main
 LDFLAGS:=-X '${COMMANDS_PATH}.GitCommit=${GIT_COMMIT}' \
 	-X '${COMMANDS_PATH}.GitLastTag=${GIT_LAST_TAG}' \
 	-X '${COMMANDS_PATH}.GitExactTag=${GIT_EXACT_TAG}'

commands/root.go

@@ -0,0 +1,116 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"os"
+	stdpath "path"
+	"path/filepath"
+
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+)
+
+// Env is the environment of a command
+type Env struct {
+	out out
+	err out
+
+	repoPath string
+}
+
+func newEnv() *Env {
+	return &Env{
+		out: out{Writer: os.Stdout},
+		err: out{Writer: os.Stderr},
+	}
+}
+
+type out struct {
+	io.Writer
+}
+
+func (o out) Printf(format string, a ...interface{}) {
+	_, _ = fmt.Fprintf(o, format, a...)
+}
+
+func (o out) Print(a ...interface{}) {
+	_, _ = fmt.Fprint(o, a...)
+}
+
+func (o out) Println(a ...interface{}) {
+	_, _ = fmt.Fprintln(o, a...)
+}
+
+// findRepo is a pre-run function that find the repository
+func findRepo(env *Env) func(*cobra.Command, []string) error {
+	return func(cmd *cobra.Command, args []string) error {
+		cwd, err := os.Getwd()
+		if err != nil {
+			return fmt.Errorf("unable to get the current working directory: %q", err)
+		}
+
+		env.repoPath, err = detectGitPath(cwd)
+		if err != nil {
+			return errors.Wrap(err, "can't find the git repository")
+		}
+
+		return nil
+	}
+}
+
+func detectGitPath(path string) (string, error) {
+	// normalize the path
+	path, err := filepath.Abs(path)
+	if err != nil {
+		return "", err
+	}
+
+	for {
+		fi, err := os.Stat(stdpath.Join(path, ".git"))
+		if err == nil {
+			if !fi.IsDir() {
+				return "", fmt.Errorf(".git exist but is not a directory")
+			}
+			return stdpath.Join(path, ".git"), nil
+		}
+		if !os.IsNotExist(err) {
+			// unknown error
+			return "", err
+		}
+
+		// detect bare repo
+		ok, err := isGitDir(path)
+		if err != nil {
+			return "", err
+		}
+		if ok {
+			return path, nil
+		}
+
+		if parent := filepath.Dir(path); parent == path {
+			return "", fmt.Errorf(".git not found")
+		} else {
+			path = parent
+		}
+	}
+}
+
+func isGitDir(path string) (bool, error) {
+	markers := []string{"HEAD", "objects", "refs"}
+
+	for _, marker := range markers {
+		_, err := os.Stat(stdpath.Join(path, marker))
+		if err == nil {
+			continue
+		}
+		if !os.IsNotExist(err) {
+			// unknown error
+			return false, err
+		} else {
+			return false, nil
+		}
+	}
+
+	return true, nil
+}

env.go

@@ -3,9 +3,12 @@ module github.com/MichaelMure/git-bug-migration
 go 1.14
 
 require (
+	github.com/99designs/keyring v1.1.5
 	github.com/blang/semver v3.5.1+incompatible
 	github.com/dustin/go-humanize v1.0.0
 	github.com/fatih/color v1.9.0
+	github.com/go-git/go-git/v5 v5.2.0
+	github.com/mattn/go-isatty v0.0.12 // indirect
 	github.com/pkg/errors v0.9.1
 	github.com/spf13/cobra v1.0.0
 	github.com/stretchr/testify v1.6.1