From 389ecd070386f27e2bc863825606d5e410169802 Mon Sep 17 00:00:00 2001
From: Gadzhi Kharkharov <me@kkga.me>
Date: Thu, 16 Sep 2021 01:43:58 +0300
Subject: [PATCH] fix: parse git dir from filepath instead of cwd

---
 cmd/edit.go          | 12 +------
 kak/filepath.go      | 25 +++++++++++++++
 kak/filepath_test.go | 75 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 101 insertions(+), 11 deletions(-)

diff --git a/cmd/edit.go b/cmd/edit.go
index e93b466..d2456e9 100644
--- a/cmd/edit.go
+++ b/cmd/edit.go
@@ -4,8 +4,6 @@ import (
 	"flag"
 	"fmt"
 	"os"
-	"os/exec"
-	"path"
 	"strings"
 
 	"github.com/kkga/kks/kak"
@@ -41,7 +39,7 @@ func (c *EditCmd) Run() error {
 		_, useGitDirSessions := os.LookupEnv("KKS_USE_GITDIR_SESSIONS")
 
 		if useGitDirSessions {
-			gitDirName = parseGitToplevel()
+			gitDirName = fp.ParseGitDir()
 		}
 
 		if gitDirName != "" {
@@ -114,11 +112,3 @@ func (c *EditCmd) Run() error {
 
 	return nil
 }
-
-func parseGitToplevel() string {
-	gitOut, err := exec.Command("git", "rev-parse", "--show-toplevel").Output()
-	if err != nil {
-		return ""
-	}
-	return strings.TrimSpace(strings.ReplaceAll(path.Base(string(gitOut)), ".", "-"))
-}
diff --git a/kak/filepath.go b/kak/filepath.go
index 1e8b3f8..59030a1 100644
--- a/kak/filepath.go
+++ b/kak/filepath.go
@@ -2,6 +2,7 @@ package kak
 
 import (
 	"os"
+	"os/exec"
 	"path"
 	"path/filepath"
 	"strconv"
@@ -31,6 +32,30 @@ func NewFilepath(args []string) (fp *Filepath, err error) {
 	return
 }
 
+func (fp *Filepath) Dir() (dir string, err error) {
+	info, err := os.Stat(fp.Name)
+	if err != nil {
+		return "", err
+	}
+
+	if info.IsDir() {
+		dir = fp.Name
+	} else {
+		dir = path.Dir(fp.Name)
+	}
+
+	return
+}
+
+func (fp *Filepath) ParseGitDir() string {
+	dir, _ := fp.Dir()
+	gitOut, err := exec.Command("git", "-C", dir, "rev-parse", "--show-toplevel").Output()
+	if err != nil {
+		return ""
+	}
+	return strings.TrimSpace(strings.ReplaceAll(path.Base(string(gitOut)), ".", "-"))
+}
+
 func (fp *Filepath) parse() (absName string, line int, col int, err error) {
 	r := fp.Raw
 
diff --git a/kak/filepath_test.go b/kak/filepath_test.go
index b73b85e..02a7567 100644
--- a/kak/filepath_test.go
+++ b/kak/filepath_test.go
@@ -6,6 +6,81 @@ import (
 	"github.com/google/go-cmp/cmp"
 )
 
+func TestDir(t *testing.T) {
+	tests := []struct {
+		fp   Filepath
+		want string
+	}{
+		{
+			Filepath{Name: "/home/kkga"},
+			"/home/kkga",
+		},
+		{
+			Filepath{Name: "/home/kkga/README.md"},
+			"/home/kkga",
+		},
+		{
+			Filepath{Name: "/home/kkga/projects/kks/"},
+			"/home/kkga/projects/kks/",
+		},
+		{
+			Filepath{Name: "/home/kkga/projects/kks/cmd/attach.go"},
+			"/home/kkga/projects/kks/cmd",
+		},
+	}
+	for _, tt := range tests {
+		t.Run("", func(t *testing.T) {
+			got, err := tt.fp.Dir()
+			if err != nil {
+				t.Fatal("can't get Filepath.Dir(): ", err)
+			}
+			if !cmp.Equal(tt.want, got) {
+				t.Errorf("Filepath.Dir() mismatch:\n%s", cmp.Diff(tt.want, got))
+			}
+		})
+	}
+}
+
+func TestParseGitDir(t *testing.T) {
+	tests := []struct {
+		fp   Filepath
+		want string
+	}{
+		{
+			Filepath{Name: "/home/kkga"},
+			"",
+		},
+		{
+			Filepath{Name: "/home/kkga/README.md"},
+			"",
+		},
+		{
+			Filepath{Name: "/home/kkga/projects/kks/"},
+			"kks",
+		},
+		{
+			Filepath{Name: "/home/kkga/projects/kks/cmd/attach.go"},
+			"kks",
+		},
+		{
+			Filepath{Name: "/home/kkga/projects/foot.kak/rc/foot.kak"},
+			"foot-kak",
+		},
+		{
+			Filepath{Name: "/home/kkga/repos/kakoune/rc/detection/editorconfig.kak"},
+			"kakoune",
+		},
+	}
+	for _, tt := range tests {
+		t.Run("", func(t *testing.T) {
+			got := tt.fp.ParseGitDir()
+			if !cmp.Equal(tt.want, got) {
+				t.Errorf("Filepath.ParseGitDir() mismatch:\n%s", cmp.Diff(tt.want, got))
+			}
+		})
+	}
+}
+
 func TestNewFilepath(t *testing.T) {
 	tests := []struct {
 		args []string