factor out code from git.go

pkg/commands/sync.go

@@ -0,0 +1,74 @@
+package commands
+
+import (
+	"fmt"
+	"strings"
+)
+
+// usingGpg tells us whether the user has gpg enabled so that we can know
+// whether we need to run a subprocess to allow them to enter their password
+func (c *GitCommand) usingGpg() bool {
+	overrideGpg := c.Config.GetUserConfig().GetBool("git.overrideGpg")
+	if overrideGpg {
+		return false
+	}
+
+	gpgsign, _ := c.getLocalGitConfig("commit.gpgsign")
+	if gpgsign == "" {
+		gpgsign, _ = c.getGlobalGitConfig("commit.gpgsign")
+	}
+	value := strings.ToLower(gpgsign)
+
+	return value == "true" || value == "1" || value == "yes" || value == "on"
+}
+
+// Push pushes to a branch
+func (c *GitCommand) Push(branchName string, force bool, upstream string, args string, promptUserForCredential func(string) string) error {
+	forceFlag := ""
+	if force {
+		forceFlag = "--force-with-lease"
+	}
+
+	setUpstreamArg := ""
+	if upstream != "" {
+		setUpstreamArg = "--set-upstream " + upstream
+	}
+
+	cmd := fmt.Sprintf("git push --follow-tags %s %s %s", forceFlag, setUpstreamArg, args)
+	return c.OSCommand.DetectUnamePass(cmd, promptUserForCredential)
+}
+
+type FetchOptions struct {
+	PromptUserForCredential func(string) string
+	RemoteName              string
+	BranchName              string
+}
+
+// Fetch fetch git repo
+func (c *GitCommand) Fetch(opts FetchOptions) error {
+	command := "git fetch"
+
+	if opts.RemoteName != "" {
+		command = fmt.Sprintf("%s %s", command, opts.RemoteName)
+	}
+	if opts.BranchName != "" {
+		command = fmt.Sprintf("%s %s", command, opts.BranchName)
+	}
+
+	return c.OSCommand.DetectUnamePass(command, func(question string) string {
+		if opts.PromptUserForCredential != nil {
+			return opts.PromptUserForCredential(question)
+		}
+		return "\n"
+	})
+}
+
+func (c *GitCommand) FastForward(branchName string, remoteName string, remoteBranchName string, promptUserForCredential func(string) string) error {
+	command := fmt.Sprintf("git fetch %s %s:%s", remoteName, remoteBranchName, branchName)
+	return c.OSCommand.DetectUnamePass(command, promptUserForCredential)
+}
+
+func (c *GitCommand) FetchRemote(remoteName string, promptUserForCredential func(string) string) error {
+	command := fmt.Sprintf("git fetch %s", remoteName)
+	return c.OSCommand.DetectUnamePass(command, promptUserForCredential)
+}