diff --git a/revert.go b/revert.go
new file mode 100644
index 0000000..d217c77
--- /dev/null
+++ b/revert.go
@@ -0,0 +1,42 @@
+package gitpb
+
+import "go.wit.com/log"
+
+// reverts master to devel
+// used in the unwind process of making GUI releases
+func (repo *Repo) RevertMasterToDevel() bool {
+	if repo.CheckDirty() {
+		log.Info("sorry, it's still dirty")
+		return false
+	}
+
+	curName := repo.GetCurrentBranchName()
+	dName := repo.GetDevelBranchName()
+	mName := repo.GetMasterBranchName()
+	if curName != mName {
+		log.Info("repo is not working from main branch", curName, "!=", mName)
+		return false
+	}
+
+	log.Info("reset master to devel", curName, repo.GetGoPath())
+
+	var all [][]string
+	all = append(all, []string{"git", "checkout", dName}) // switch to the devel branch
+	all = append(all, []string{"git", "branch", "-D", mName})
+	all = append(all, []string{"git", "branch", mName}) // make a master branch based on devel
+	all = append(all, []string{"git", "checkout", mName})
+	all = append(all, []string{"git", "push", "--set-upstream", "--force", "origin", mName})
+
+	// don't do anything with tags here
+	// all = append(all, []string{"git", "tag", "--delete", release.version.String()})
+	// all = append(all, []string{"git", "push", "--delete", "origin", release.version.String()})
+
+	if repo.RunAll(all) {
+		log.Info("EVERYTHING OK. RERELEASED", repo.GetGoPath())
+		repo.Reload()
+		return true
+	}
+
+	log.Info("SOMETHING FAILED")
+	return false
+}
diff --git a/shell.go b/shell.go
index b7c0018..c9ea1ed 100644
--- a/shell.go
+++ b/shell.go
@@ -108,3 +108,16 @@ func (repo *Repo) IsDirectory() bool {
 	}
 	return info.IsDir()
 }
+
+func (repo *Repo) RunAll(all [][]string) bool {
+	for _, cmd := range all {
+		log.Log(GITPBWARN, "doAll() RUNNING: cmd =", cmd)
+		r := repo.Run(cmd)
+		if r.Error != nil {
+			log.Log(GITPBWARN, "doAll() err =", r.Error)
+			log.Log(GITPBWARN, "doAll() out =", r.Stdout)
+			return false
+		}
+	}
+	return true
+}