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go/src/infra/libs/git/run.go

+package git
+
+import "bytes"
+import "os/exec"
+
+// RunInput runs a git command in the Repo, passing input on stdin, and returning
+// the stdout and success (i.e.  did the git command return 0?)
+func (r *Repo) RunInput(input string, cmd ...string) (string, bool) {
+        ex := exec.Command("git", cmd...)
+        ex.Dir = r.Path
+        ex.Stdin = bytes.NewBufferString(input)
+        out, err := ex.Output()
+        if err == nil {
+                return string(out), true
+        } else if _, ok := err.(*exec.ExitError); ok {
+                return string(out), false
+        } else {
+                panic(err)
+        }
+}
+
+// Run runs a git command in the Repo, with no input, returning the stdout and
+// success.
+func (r *Repo) Run(cmd ...string) (string, bool) {
+        return r.RunInput("", cmd...)
+}
+
+// RunOk runs a git command in the repo with no input, and returns its success
+// (did it exit 0?)
+func (r *Repo) RunOk(cmd ...string) bool {
+        _, ok := r.Run(cmd...)
+        return ok
+}
+
+// RunOutput runs a git command in the repo with no input, and returns its
+// stdout
+func (r *Repo) RunOutput(cmd ...string) string {
+        out, _ := r.Run(cmd...)
+        return out
+}