various: proper escape dot in regex

Library/Homebrew/cmd/audit.rb

@@ -503,7 +503,7 @@ class FormulaAuditor
     when %r{^http://[^/]*\.apache\.org},
          %r{^http://packages\.debian\.org},
          %r{^http://wiki\.freedesktop\.org/},
-         %r{^http://((?:www)\.)?gnupg.org/},
+         %r{^http://((?:www)\.)?gnupg\.org/},
          %r{^http://ietf\.org},
          %r{^http://[^/.]+\.ietf\.org},
          %r{^http://[^/.]+\.tools\.ietf\.org},
@@ -531,7 +531,7 @@ class FormulaAuditor
   def audit_github_repository
     return unless @online
 
-    regex = %r{https?://github.com/([^/]+)/([^/]+)/?.*}
+    regex = %r{https?://github\.com/([^/]+)/([^/]+)/?.*}
     _, user, repo = *regex.match(formula.stable.url) if formula.stable
     _, user, repo = *regex.match(formula.homepage) unless user
     return if !user || !repo

Library/Homebrew/cmd/pull.rb

@@ -51,7 +51,7 @@ module Homebrew
         issue = arg
         url = "https://github.com/Homebrew/homebrew-core/pull/#{arg}"
         tap = CoreTap.instance
-      elsif (testing_match = arg.match %r{brew.sh/job/Homebrew.*Testing/(\d+)/})
+      elsif (testing_match = arg.match %r{brew\.sh/job/Homebrew.*Testing/(\d+)/})
         _, testing_job = *testing_match
         url = "https://github.com/Homebrew/homebrew-core/compare/master...BrewTestBot:testing-#{testing_job}"
         tap = CoreTap.instance

Library/Homebrew/dev-cmd/boneyard-formula-pr.rb

@@ -90,7 +90,7 @@ module Homebrew
       unless local_only
         safe_system "hub", "fork", "--no-remote"
         quiet_system "hub", "fork"
-        remote = Utils.popen_read("hub fork 2>&1")[/fatal: remote (.+) already exists./, 1]
+        remote = Utils.popen_read("hub fork 2>&1")[/fatal: remote (.+) already exists\./, 1]
         odie "cannot get remote from 'hub'!" unless remote
         safe_system "git", "push", remote, "#{branch}:#{branch}"
         pr_message = <<-EOS.undent
@@ -134,7 +134,7 @@ module Homebrew
       unless local_only
         safe_system "hub", "fork", "--no-remote"
         quiet_system "hub", "fork"
-        remote = Utils.popen_read("hub fork 2>&1")[/fatal: remote (.+) already exists./, 1]
+        remote = Utils.popen_read("hub fork 2>&1")[/fatal: remote (.+) already exists\./, 1]
         odie "cannot get remote from 'hub'!" unless remote
         safe_system "git", "push", remote, "#{branch}:#{branch}"
         safe_system "hub", "pull-request", "--browse", "-m", <<-EOS.undent

Library/Homebrew/dev-cmd/bump-formula-pr.rb

@@ -148,7 +148,7 @@ module Homebrew
           "--", formula.path
         safe_system "hub", "fork", "--no-remote"
         quiet_system "hub", "fork"
-        remote = Utils.popen_read("hub fork 2>&1")[/fatal: remote (.+) already exists./, 1]
+        remote = Utils.popen_read("hub fork 2>&1")[/fatal: remote (.+) already exists\./, 1]
         odie "cannot get remote from 'hub'!" if remote.to_s.empty?
         safe_system "git", "push", remote, "#{branch}:#{branch}"
         safe_system "hub", "pull-request", "--browse", "-m",

Library/Homebrew/extend/os/mac/development_tools.rb

@@ -26,7 +26,7 @@ class DevelopmentTools
       case default_cc
       # if GCC 4.2 is installed, e.g. via Tigerbrew, prefer it
       # over the system's GCC 4.0
-      when /^gcc-4.0/ then gcc_42_build_version ? :gcc : :gcc_4_0
+      when /^gcc-4\.0/ then gcc_42_build_version ? :gcc : :gcc_4_0
       when /^gcc/ then :gcc
       when "clang" then :clang
       else

Library/Homebrew/extend/os/mac/formula_cellar_checks.rb

@@ -27,7 +27,7 @@ module FormulaCellarChecks
     keg = Keg.new(formula.prefix)
     system_openssl = keg.mach_o_files.select do |obj|
       dlls = obj.dynamically_linked_libraries
-      dlls.any? { |dll| %r{/usr/lib/lib(crypto|ssl).(\d\.)*dylib}.match dll }
+      dlls.any? { |dll| %r{/usr/lib/lib(crypto|ssl)\.(\d\.)*dylib}.match dll }
     end
     return if system_openssl.empty?
 

Library/Homebrew/os/mac/sdk.rb

@@ -46,7 +46,7 @@ module OS
             paths = {}
 
             Dir[File.join(sdk_prefix, "MacOSX*.sdk")].each do |sdk_path|
-              version = sdk_path[/MacOSX(\d+\.\d+)u?.sdk$/, 1]
+              version = sdk_path[/MacOSX(\d+\.\d+)u?\.sdk$/, 1]
               paths[version] = sdk_path unless version.nil?
             end
 

Library/Homebrew/version.rb

@@ -279,7 +279,7 @@ class Version
 
     stem = if spec.directory?
       spec.basename.to_s
-    elsif %r{((?:sourceforge.net|sf.net)/.*)/download$}.match(spec_s)
+    elsif %r{((?:sourceforge\.net|sf\.net)/.*)/download$}.match(spec_s)
       Pathname.new(spec.dirname).stem
     else
       spec.stem
@@ -290,7 +290,7 @@ class Version
     # e.g. https://github.com/sam-github/libnet/tarball/libnet-1.1.4
     # e.g. https://github.com/isaacs/npm/tarball/v0.2.5-1
     # e.g. https://github.com/petdance/ack/tarball/1.93_02
-    m = %r{github.com/.+/(?:zip|tar)ball/(?:v|\w+-)?((?:\d+[-._])+\d*)$}.match(spec_s)
+    m = %r{github\.com/.+/(?:zip|tar)ball/(?:v|\w+-)?((?:\d+[-._])+\d*)$}.match(spec_s)
     return m.captures.first unless m.nil?
 
     # e.g. https://github.com/erlang/otp/tarball/OTP_R15B01 (erlang style)