Merge pull request #283 from kristijanhusak/feature/commit-amendv0.4

Add action for amending a commit

2 files changed, 84 insertions, 11 deletions

diff --git a/pkg/commands/git.go b/pkg/commands/git.go
index 402ec3378..0e974b567 100644
--- a/pkg/commands/git.go
+++ b/pkg/commands/git.go
@@ -221,11 +221,11 @@ func (c *GitCommand) ResetHard() error {
 // UpstreamDifferenceCount checks how many pushables/pullables there are for the
 // current branch
 func (c *GitCommand) UpstreamDifferenceCount() (string, string) {
-	pushableCount, err := c.OSCommand.RunCommandWithOutput("git rev-list @{u}..head --count")
+	pushableCount, err := c.OSCommand.RunCommandWithOutput("git rev-list @{u}..HEAD --count")
 	if err != nil {
 		return "?", "?"
 	}
-	pullableCount, err := c.OSCommand.RunCommandWithOutput("git rev-list head..@{u} --count")
+	pullableCount, err := c.OSCommand.RunCommandWithOutput("git rev-list HEAD..@{u} --count")
 	if err != nil {
 		return "?", "?"
 	}
@@ -236,7 +236,7 @@ func (c *GitCommand) UpstreamDifferenceCount() (string, string) {
 // to the remote branch of the current branch, a map is returned to ease look up
 func (c *GitCommand) GetCommitsToPush() map[string]bool {
 	pushables := map[string]bool{}
-	o, err := c.OSCommand.RunCommandWithOutput("git rev-list @{u}..head --abbrev-commit")
+	o, err := c.OSCommand.RunCommandWithOutput("git rev-list @{u}..HEAD --abbrev-commit")
 	if err != nil {
 		return pushables
 	}
@@ -314,8 +314,12 @@ func (c *GitCommand) usingGpg() bool {
 }
 
 // Commit commits to git
-func (c *GitCommand) Commit(message string) (*exec.Cmd, error) {
-	command := fmt.Sprintf("git commit -m %s", c.OSCommand.Quote(message))
+func (c *GitCommand) Commit(message string, amend bool) (*exec.Cmd, error) {
+	amendParam := ""
+	if amend {
+		amendParam = " --amend"
+	}
+	command := fmt.Sprintf("git commit%s -m %s", amendParam, c.OSCommand.Quote(message))
 	if c.usingGpg() {
 		return c.OSCommand.PrepareSubProcess(c.OSCommand.Platform.shell, c.OSCommand.Platform.shellArg, command), nil
 	}
diff --git a/pkg/commands/git_test.go b/pkg/commands/git_test.go
index 25820558a..ebb9de136 100644
--- a/pkg/commands/git_test.go
+++ b/pkg/commands/git_test.go
@@ -561,7 +561,7 @@ func TestGitCommandUpstreamDifferentCount(t *testing.T) {
 		{
 			"Can't retrieve pullable count",
 			func(cmd string, args ...string) *exec.Cmd {
-				if args[1] == "head..@{u}" {
+				if args[1] == "HEAD..@{u}" {
 					return exec.Command("test")
 				}
 
@@ -575,7 +575,7 @@ func TestGitCommandUpstreamDifferentCount(t *testing.T) {
 		{
 			"Retrieve pullable and pushable count",
 			func(cmd string, args ...string) *exec.Cmd {
-				if args[1] == "head..@{u}" {
+				if args[1] == "HEAD..@{u}" {
 					return exec.Command("echo", "10")
 				}
 
@@ -889,7 +889,76 @@ func TestGitCommandCommit(t *testing.T) {
 			gitCmd := newDummyGitCommand()
 			gitCmd.getGlobalGitConfig = s.getGlobalGitConfig
 			gitCmd.OSCommand.command = s.command
-			s.test(gitCmd.Commit("test"))
+			s.test(gitCmd.Commit("test", false))
+		})
+	}
+}
+
+func TestGitCommandCommitAmendFromFiles(t *testing.T) {
+	type scenario struct {
+		testName           string
+		command            func(string, ...string) *exec.Cmd
+		getGlobalGitConfig func(string) (string, error)
+		test               func(*exec.Cmd, error)
+	}
+
+	scenarios := []scenario{
+		{
+			"Amend commit using gpg",
+			func(cmd string, args ...string) *exec.Cmd {
+				assert.EqualValues(t, "bash", cmd)
+				assert.EqualValues(t, []string{"-c", `git commit --amend -m 'test'`}, args)
+
+				return exec.Command("echo")
+			},
+			func(string) (string, error) {
+				return "true", nil
+			},
+			func(cmd *exec.Cmd, err error) {
+				assert.NotNil(t, cmd)
+				assert.Nil(t, err)
+			},
+		},
+		{
+			"Amend commit without using gpg",
+			func(cmd string, args ...string) *exec.Cmd {
+				assert.EqualValues(t, "git", cmd)
+				assert.EqualValues(t, []string{"commit", "--amend", "-m", "test"}, args)
+
+				return exec.Command("echo")
+			},
+			func(string) (string, error) {
+				return "false", nil
+			},
+			func(cmd *exec.Cmd, err error) {
+				assert.Nil(t, cmd)
+				assert.Nil(t, err)
+			},
+		},
+		{
+			"Amend commit without using gpg with an error",
+			func(cmd string, args ...string) *exec.Cmd {
+				assert.EqualValues(t, "git", cmd)
+				assert.EqualValues(t, []string{"commit", "--amend", "-m", "test"}, args)
+
+				return exec.Command("test")
+			},
+			func(string) (string, error) {
+				return "false", nil
+			},
+			func(cmd *exec.Cmd, err error) {
+				assert.Nil(t, cmd)
+				assert.Error(t, err)
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		t.Run(s.testName, func(t *testing.T) {
+			gitCmd := newDummyGitCommand()
+			gitCmd.getGlobalGitConfig = s.getGlobalGitConfig
+			gitCmd.OSCommand.command = s.command
+			s.test(gitCmd.Commit("test", true))
 		})
 	}
 }
@@ -1507,7 +1576,7 @@ func TestGitCommandGetCommits(t *testing.T) {
 
 				switch args[0] {
 				case "rev-list":
-					assert.EqualValues(t, []string{"rev-list", "@{u}..head", "--abbrev-commit"}, args)
+					assert.EqualValues(t, []string{"rev-list", "@{u}..HEAD", "--abbrev-commit"}, args)
 					return exec.Command("echo")
 				case "log":
 					assert.EqualValues(t, []string{"log", "--oneline", "-30"}, args)
@@ -1534,7 +1603,7 @@ func TestGitCommandGetCommits(t *testing.T) {
 
 				switch args[0] {
 				case "rev-list":
-					assert.EqualValues(t, []string{"rev-list", "@{u}..head", "--abbrev-commit"}, args)
+					assert.EqualValues(t, []string{"rev-list", "@{u}..HEAD", "--abbrev-commit"}, args)
 					return exec.Command("echo", "8a2bb0e")
 				case "log":
 					assert.EqualValues(t, []string{"log", "--oneline", "-30"}, args)
@@ -1577,7 +1646,7 @@ func TestGitCommandGetCommits(t *testing.T) {
 
 				switch args[0] {
 				case "rev-list":
-					assert.EqualValues(t, []string{"rev-list", "@{u}..head", "--abbrev-commit"}, args)
+					assert.EqualValues(t, []string{"rev-list", "@{u}..HEAD", "--abbrev-commit"}, args)
 					return exec.Command("echo", "8a2bb0e")
 				case "log":
 					assert.EqualValues(t, []string{"log", "--oneline", "-30"}, args)