From 6c53e7aee41e5b5cb369e62976bf8830f71410ac Mon Sep 17 00:00:00 2001
From: masnagam <masnagam@gmail.com>
Date: Sun, 11 Apr 2021 16:00:18 +0900
Subject: [PATCH 1/2] Support branch names

Skip updating if `url.version()` is not a semver (probably, it's a
branch name).
---
 mod.ts  |  8 ++++++++
 test.ts | 13 +++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/mod.ts b/mod.ts
index fc81da4..318bddb 100644
--- a/mod.ts
+++ b/mod.ts
@@ -92,6 +92,14 @@ export class Udd {
       url.url = `${url.at(initVersion.slice(1)).url}#${newFragmentToken}`;
     }
 
+    try {
+      new Semver(url.version());
+    } catch (e) {
+      // probably, the version string is a branch name.
+      await this.progress.log(`Using a branch: ${url.url}`);
+      return { initUrl, initVersion };
+    }
+
     // if we pass a fragment with semver
     let filter: ((other: Semver) => boolean) | undefined = undefined;
     try {
diff --git a/test.ts b/test.ts
index 2befde3..47e665d 100644
--- a/test.ts
+++ b/test.ts
@@ -151,3 +151,16 @@ Deno.test("uddFakeregistryFragmentMoveEq", async () => {
   const expected = 'import "https://fakeregistry.com/foo@0.0.1/mod.ts#=";';
   await testUdd(contents, expected);
 });
+
+Deno.test("uddGitHubRawBranchName", async () => {
+  const contents = `
+import "https://raw.githubusercontent.com/foo/bar/main/mod.ts";
+import "https://raw.githubusercontent.com/foo/bar/main/mod.ts#=";
+`;
+  const expected = `
+import "https://raw.githubusercontent.com/foo/bar/main/mod.ts";
+import "https://raw.githubusercontent.com/foo/bar/main/mod.ts#=";
+`;
+  const results = await testUdd(contents, expected);
+  assertEquals(results.length, 0);
+});

From b97aecaab7aa8743f9ac502a17c625758067ce55 Mon Sep 17 00:00:00 2001
From: masnagam <masnagam@gmail.com>
Date: Sun, 18 Apr 2021 10:57:51 +0900
Subject: [PATCH 2/2] Change the log message and the comment more precisely

---
 mod.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mod.ts b/mod.ts
index 318bddb..ec19408 100644
--- a/mod.ts
+++ b/mod.ts
@@ -95,8 +95,8 @@ export class Udd {
     try {
       new Semver(url.version());
     } catch (e) {
-      // probably, the version string is a branch name.
-      await this.progress.log(`Using a branch: ${url.url}`);
+      // The version string is a non-semver string like a branch name.
+      await this.progress.log(`Skip updating: ${url.url}`);
       return { initUrl, initVersion };
     }