cmd/gg: propagate PATH to the editor and gg in tests

Author: zombiezen

CHANGELOG.md

@@ -6,6 +6,13 @@ The format is based on [Keep a Changelog][], and this project adheres to
 [Keep a Changelog]: https://keepachangelog.com/en/1.0.0/
 [Unreleased]: https://github.com/gg-scm/gg/compare/v1.2.0...HEAD
 
+## [Unreleased][]
+
+### Fixed
+
+- The test suite now propagates `PATH` to the editor and gg.
+  This fixes the check phase in Nix packaging.
+
 ## [1.2.0][] - 2022-02-24
 
 Version 1.2 includes features to handle repositories with lots of branches.

cmd/gg/editor_test.go

@@ -18,6 +18,7 @@ import (
 	"bytes"
 	"context"
 	"fmt"
+	"os"
 	"path/filepath"
 	"runtime"
 	"strings"
@@ -54,6 +55,7 @@ func TestEditor(t *testing.T) {
 		log: func(e error) {
 			t.Error("Editor error:", e)
 		},
+		env:    os.Environ(),
 		stderr: stderr,
 	}
 	got, err := e.open(ctx, "foo.txt", []byte("This is the initial content.\n"))
@@ -100,6 +102,7 @@ func TestEditorDirectory(t *testing.T) {
 		log: func(e error) {
 			t.Error("Editor error:", e)
 		},
+		env:    os.Environ(),
 		stderr: stderr,
 	}
 	got, err := e.open(ctx, "foo.txt", []byte("This is the initial content.\n"))

cmd/gg/main_test.go

@@ -261,6 +261,7 @@ func (env *testEnv) gg(ctx context.Context, dir string, args ...string) ([]byte,
 		env: []string{
 			"GIT_CONFIG_NOSYSTEM=1",
 			"HOME=" + env.topDir.String(),
+			"PATH=" + os.Getenv("PATH"),
 			"XDG_CONFIG_HOME=" + xdgConfigDir,
 			"XDG_CONFIG_DIRS=" + xdgConfigDir,
 		},