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

Index: go/src/infra/libs/git/run.go
diff --git a/go/src/infra/libs/git/run.go b/go/src/infra/libs/git/run.go
new file mode 100644
index 0000000000000000000000000000000000000000..41c017bf8aabf04fda6f5259cbacc5b7b759aabf
--- /dev/null
+++ b/go/src/infra/libs/git/run.go
@@ -0,0 +1,40 @@
+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
+}