initial commit [141.14.129.234,mike]

git.go

@@ -0,0 +1,72 @@
+package main
+
+import (
+	"os"
+	"os/exec"
+	"strings"
+)
+
+// runInDir runs a command with inherited stdio, optionally in dir.
+func runInDir(dir, name string, args ...string) error {
+	c := exec.Command(name, args...)
+	if dir != "" {
+		c.Dir = dir
+	}
+	c.Stdin = os.Stdin
+	c.Stdout = os.Stdout
+	c.Stderr = os.Stderr
+	return c.Run()
+}
+
+func git(dir string, args ...string) error {
+	return runInDir(dir, "git", args...)
+}
+
+// gitOK runs git and, on failure, prints a red summary. Returns success.
+func gitOK(dir string, args ...string) bool {
+	if err := git(dir, args...); err != nil {
+		errorln("git " + strings.Join(args, " ") + " failed")
+		return false
+	}
+	return true
+}
+
+func gitCapture(dir string, args ...string) (string, error) {
+	c := exec.Command("git", args...)
+	if dir != "" {
+		c.Dir = dir
+	}
+	out, err := c.Output()
+	return string(out), err
+}
+
+// ssh runs a single remote command over ssh with inherited stdio.
+func ssh(remote string) error {
+	return runInDir("", "ssh", "-p", cfg.GitPort, cfg.GitUser+"@"+cfg.GitHost, remote)
+}
+
+// sshOK runs a remote command and, on failure, prints a red summary.
+func sshOK(remote string) bool {
+	if err := ssh(remote); err != nil {
+		errorln("ssh failed: " + remote)
+		return false
+	}
+	return true
+}
+
+// sshOut runs a remote command and returns its stdout split into lines.
+func sshOut(remote string) ([]string, error) {
+	c := exec.Command("ssh", "-p", cfg.GitPort, cfg.GitUser+"@"+cfg.GitHost, remote)
+	c.Stderr = os.Stderr
+	out, err := c.Output()
+	lines := strings.Split(string(out), "\n")
+	for len(lines) > 0 && lines[len(lines)-1] == "" {
+		lines = lines[:len(lines)-1]
+	}
+	return lines, err
+}
+
+// forwardShell runs a line via /bin/sh -c in the active project directory.
+func forwardShell(line string) {
+	runInDir(DIR, "/bin/sh", "-c", line)
+}