feat: `recipe reset`, `recipe diff`

See coop-cloud/organising#511

cli/recipe/diff.go

@@ -0,0 +1,61 @@
+package recipe
+
+import (
+	"fmt"
+	"os/exec"
+	"path"
+
+	"coopcloud.tech/abra/cli/internal"
+	"coopcloud.tech/abra/pkg/autocomplete"
+	"coopcloud.tech/abra/pkg/config"
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli"
+)
+
+// getGitDiffArgs builds the `git diff` invocation args
+func getGitDiffArgs(repoPath string) []string {
+	return []string{
+		"-C",
+		repoPath,
+		"--no-pager",
+		"-c",
+		"color.diff=always",
+		"diff",
+	}
+}
+
+var recipeDiffCommand = cli.Command{
+	Name:        "diff",
+	Usage:       "Show unstaged changes in recipe config",
+	Description: "Due to limitations in our underlying Git dependency, this command requires /usr/bin/git.",
+	Aliases:     []string{"d"},
+	ArgsUsage:   "<recipe>",
+	Flags: []cli.Flag{
+		internal.DebugFlag,
+		internal.NoInputFlag,
+	},
+	Before:       internal.SubCommandBefore,
+	BashComplete: autocomplete.RecipeNameComplete,
+	Action: func(c *cli.Context) error {
+		recipeName := c.Args().First()
+
+		if recipeName != "" {
+			internal.ValidateRecipe(c)
+		}
+
+		_, err := exec.LookPath("git")
+		if err != nil {
+			logrus.Fatal("unable to locate 'git' command?")
+		}
+
+		gitDiffArgs := getGitDiffArgs(path.Join(config.RECIPES_DIR, recipeName))
+		diff, err := exec.Command("git", gitDiffArgs...).Output()
+		if err != nil {
+			logrus.Fatal(err)
+		}
+
+		fmt.Print(string(diff))
+
+		return nil
+	},
+}

cli/recipe/recipe.go

@@ -30,5 +30,7 @@ manner. Abra supports convenient automation for recipe maintainenace, see the
 		recipeSyncCommand,
 		recipeUpgradeCommand,
 		recipeVersionCommand,
+		recipeResetCommand,
+		recipeDiffCommand,
 	},
 }

cli/recipe/reset.go

@@ -0,0 +1,56 @@
+package recipe
+
+import (
+	"path"
+
+	"coopcloud.tech/abra/cli/internal"
+	"coopcloud.tech/abra/pkg/autocomplete"
+	"coopcloud.tech/abra/pkg/config"
+	"github.com/go-git/go-git/v5"
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli"
+)
+
+var recipeResetCommand = cli.Command{
+	Name:        "reset",
+	Usage:       "Remove all unstaged changes from recipe config",
+	Description: "WARNING, this will delete your changes. Be Careful.",
+	Aliases:     []string{"rs"},
+	ArgsUsage:   "<recipe>",
+	Flags: []cli.Flag{
+		internal.DebugFlag,
+		internal.NoInputFlag,
+	},
+	Before:       internal.SubCommandBefore,
+	BashComplete: autocomplete.RecipeNameComplete,
+	Action: func(c *cli.Context) error {
+		recipeName := c.Args().First()
+
+		if recipeName != "" {
+			internal.ValidateRecipe(c)
+		}
+
+		repoPath := path.Join(config.RECIPES_DIR, recipeName)
+		repo, err := git.PlainOpen(repoPath)
+		if err != nil {
+			logrus.Fatal(err)
+		}
+
+		ref, err := repo.Head()
+		if err != nil {
+			logrus.Fatal(err)
+		}
+
+		worktree, err := repo.Worktree()
+		if err != nil {
+			logrus.Fatal(err)
+		}
+
+		opts := &git.ResetOptions{Commit: ref.Hash(), Mode: git.HardReset}
+		if err := worktree.Reset(opts); err != nil {
+			logrus.Fatal(err)
+		}
+
+		return nil
+	},
+}

tests/integration/recipe_diff.bats

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+setup() {
+  load "$PWD/tests/integration/helpers/common"
+  _common_setup
+}
+
+@test "show unstaged changes" {
+  run $ABRA recipe diff "$TEST_RECIPE"
+  assert_success
+  refute_output --partial 'traefik.enable'
+
+  run sed -i '/traefik.enable=.*/d' "$ABRA_DIR/recipes/$TEST_RECIPE/compose.yml"
+  assert_success
+
+  run $ABRA recipe diff "$TEST_RECIPE"
+  assert_success
+  assert_output --partial 'traefik.enable'
+
+  _reset_recipe
+}

tests/integration/recipe_reset.bats

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+setup() {
+  load "$PWD/tests/integration/helpers/common"
+  _common_setup
+}
+
+@test "reset unstaged changes" {
+  run $ABRA recipe fetch "$TEST_RECIPE"
+  assert_success
+
+  run sed -i '/traefik.enable=.*/d' "$ABRA_DIR/recipes/$TEST_RECIPE/compose.yml"
+  assert_success
+
+  run $ABRA recipe diff "$TEST_RECIPE"
+  assert_success
+  assert_output --partial 'traefik.enable'
+
+  run $ABRA recipe reset "$TEST_RECIPE"
+  assert_success
+
+  run $ABRA recipe diff "$TEST_RECIPE"
+  assert_success
+  refute_output --partial 'traefik.enable'
+}