From 1502e5b89780629bd5fc9d4d0e49a621c3be02fa Mon Sep 17 00:00:00 2001
From: JCount <JCount42@gmail.com>
Date: Fri, 21 Jul 2017 19:56:26 -0400
Subject: [PATCH 1/2] version: improve devel spec version parsing

term this 'devel spec version style';
also improve dash version style parsing
---
 Library/Homebrew/version.rb | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Library/Homebrew/version.rb b/Library/Homebrew/version.rb
index ddeaa6feec..b03a4bc332 100644
--- a/Library/Homebrew/version.rb
+++ b/Library/Homebrew/version.rb
@@ -406,6 +406,14 @@ class Version
     m = /[-_](\d+\.\d+(?:\.\d+)?(?:-\d+)?)[-_.](?:i[36]86|x86|x64(?:[-_](?:32|64))?)$/.match(stem)
     return m.captures.first unless m.nil?
 
+    # devel spec
+    # e.g. https://registry.npmjs.org/@angular/cli/-/cli-1.3.0-beta.1.tgz
+    # e.g. https://github.com/dlang/dmd/archive/v2.074.0-beta1.tar.gz
+    # e.g. https://github.com/dlang/dmd/archive/v2.074.0-rc1.tar.gz
+    # e.g. https://github.com/premake/premake-core/releases/download/v5.0.0-alpha10/premake-5.0.0-alpha10-src.zip
+    m = /[-.vV]?((?:\d+\.)+\d+[-_.]?(?i:alpha|beta|pre|rc)\.?\d{,2})/.match(stem)
+    return m.captures.first unless m.nil?
+
     # e.g. foobar4.5.1
     m = /((?:\d+\.)*\d+)$/.match(stem)
     return m.captures.first unless m.nil?
@@ -414,6 +422,15 @@ class Version
     m = /-((?:\d+\.)+\d+[abc]?)[-._](?:bin|dist|stable|src|sources?)$/.match(stem)
     return m.captures.first unless m.nil?
 
+    # dash version style
+    # e.g. http://www.antlr.org/download/antlr-3.4-complete.jar
+    # e.g. https://cdn.nuxeo.com/nuxeo-9.2/nuxeo-server-9.2-tomcat.zip
+    # e.g. https://search.maven.org/remotecontent?filepath=com/facebook/presto/presto-cli/0.181/presto-cli-0.181-executable.jar
+    # e.g. https://search.maven.org/remotecontent?filepath=org/fusesource/fuse-extra/fusemq-apollo-mqtt/1.3/fusemq-apollo-mqtt-1.3-uber.jar
+    # e.g. https://search.maven.org/remotecontent?filepath=org/apache/orc/orc-tools/1.2.3/orc-tools-1.2.3-uber.jar
+    m = /-((?:\d+\.)+\d+)-/.match(stem)
+    return m.captures.first unless m.nil?
+
     # e.g. dash_0.5.5.1.orig.tar.gz (Debian style)
     m = /_((?:\d+\.)+\d+[abc]?)[.]orig$/.match(stem)
     return m.captures.first unless m.nil?

From a5fff4547f460642728c88dbad76267f83afa170 Mon Sep 17 00:00:00 2001
From: JCount <JCount42@gmail.com>
Date: Sat, 22 Jul 2017 19:21:38 -0400
Subject: [PATCH 2/2] verion_spec: add test coverage for devel spec version
 style

also expand coverage for improved dash version style
---
 Library/Homebrew/test/version_spec.rb | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Library/Homebrew/test/version_spec.rb b/Library/Homebrew/test/version_spec.rb
index deb91ed893..cee57e9352 100644
--- a/Library/Homebrew/test/version_spec.rb
+++ b/Library/Homebrew/test/version_spec.rb
@@ -453,6 +453,17 @@ describe Version do
         .to be_detected_from("https://example.com/dada-v2017-04-17.tar.gz")
     end
 
+    specify "devel spec version style" do
+      expect(Version.create("1.3.0-beta.1"))
+        .to be_detected_from("https://registry.npmjs.org/@angular/cli/-/cli-1.3.0-beta.1.tgz")
+      expect(Version.create("2.074.0-beta1"))
+        .to be_detected_from("https://github.com/dlang/dmd/archive/v2.074.0-beta1.tar.gz")
+      expect(Version.create("2.074.0-rc1"))
+        .to be_detected_from("https://github.com/dlang/dmd/archive/v2.074.0-rc1.tar.gz")
+      expect(Version.create("5.0.0-alpha10"))
+        .to be_detected_from("https://github.com/premake/premake-core/releases/download/v5.0.0-alpha10/premake-5.0.0-alpha10-src.zip")
+    end
+
     specify "jenkins version style" do
       expect(Version.create("1.486"))
         .to be_detected_from("http://mirrors.jenkins-ci.org/war/1.486/jenkins.war")
@@ -479,6 +490,12 @@ describe Version do
     specify "dash version style" do
       expect(Version.create("3.4"))
         .to be_detected_from("http://www.antlr.org/download/antlr-3.4-complete.jar")
+      expect(Version.create("9.2"))
+        .to be_detected_from("https://cdn.nuxeo.com/nuxeo-9.2/nuxeo-server-9.2-tomcat.zip")
+      expect(Version.create("0.181"))
+        .to be_detected_from("https://search.maven.org/remotecontent?filepath=com/facebook/presto/presto-cli/0.181/presto-cli-0.181-executable.jar")
+      expect(Version.create("1.2.3"))
+        .to be_detected_from("https://search.maven.org/remotecontent?filepath=org/apache/orc/orc-tools/1.2.3/orc-tools-1.2.3-uber.jar")
     end
 
     specify "apache version style" do