mercurial: work around faulty parsing of early command options (#27516)

Use -sVALUE and --long=VALUE instead of "-s VALUE" and "--long VALUE"
respectively.

Contributed by Yuya Nishihara.

git-svn-id: http://svn.redmine.org/redmine/trunk@17062 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine/scm/adapters/mercurial_adapter.rb

@@ -140,7 +140,7 @@ module Redmine
 
         def entries(path=nil, identifier=nil, options={})
           p1 = scm_iconv(@path_encoding, 'UTF-8', path)
-          manifest = hg('rhmanifest', '-r', CGI.escape(hgrev(identifier)),
+          manifest = hg('rhmanifest', "-r#{CGI.escape(hgrev(identifier))}",
                         '--', CGI.escape(without_leading_slash(p1.to_s))) do |io|
             output = io.read.force_encoding('UTF-8')
             begin
@@ -181,9 +181,9 @@ module Redmine
         # Iterates the revisions by using a template file that
         # makes Mercurial produce a xml output.
         def each_revision(path=nil, identifier_from=nil, identifier_to=nil, options={})
-          hg_args = ['log', '--debug', '-C', '--style', self.class.template_path]
+          hg_args = ['log', '--debug', '-C', "--style=#{self.class.template_path}"]
-          hg_args << '-r' << "#{hgrev(identifier_from)}:#{hgrev(identifier_to)}"
+          hg_args << "-r#{hgrev(identifier_from)}:#{hgrev(identifier_to)}"
-          hg_args << '--limit' << options[:limit] if options[:limit]
+          hg_args << "--limit=#{options[:limit]}" if options[:limit]
           hg_args << '--' << hgtarget(path) unless path.blank?
           log = hg(*hg_args) do |io|
             output = io.read.force_encoding('UTF-8')
@@ -224,19 +224,19 @@ module Redmine
 
         # Returns list of nodes in the specified branch
         def nodes_in_branch(branch, options={})
-          hg_args = ['rhlog', '--template', '{node}\n', '--rhbranch', CGI.escape(branch)]
+          hg_args = ['rhlog', '--template={node}\n', "--rhbranch=#{CGI.escape(branch)}"]
-          hg_args << '--from' << CGI.escape(branch)
+          hg_args << "--from=#{CGI.escape(branch)}"
-          hg_args << '--to'   << '0'
+          hg_args << '--to=0'
-          hg_args << '--limit' << options[:limit] if options[:limit]
+          hg_args << "--limit=#{options[:limit]}" if options[:limit]
           hg(*hg_args) { |io| io.readlines.map { |e| e.chomp } }
         end
 
         def diff(path, identifier_from, identifier_to=nil)
           hg_args = %w|rhdiff|
           if identifier_to
-            hg_args << '-r' << hgrev(identifier_to) << '-r' << hgrev(identifier_from)
+            hg_args << "-r#{hgrev(identifier_to)}" << "-r#{hgrev(identifier_from)}"
           else
-            hg_args << '-c' << hgrev(identifier_from)
+            hg_args << "-c#{hgrev(identifier_from)}"
           end
           unless path.blank?
             p = scm_iconv(@path_encoding, 'UTF-8', path)
@@ -255,7 +255,7 @@ module Redmine
 
         def cat(path, identifier=nil)
           p = CGI.escape(scm_iconv(@path_encoding, 'UTF-8', path))
-          hg 'rhcat', '-r', CGI.escape(hgrev(identifier)), '--', hgtarget(p) do |io|
+          hg 'rhcat', "-r#{CGI.escape(hgrev(identifier))}", '--', hgtarget(p) do |io|
             io.binmode
             io.read
           end
@@ -266,7 +266,7 @@ module Redmine
         def annotate(path, identifier=nil)
           p = CGI.escape(scm_iconv(@path_encoding, 'UTF-8', path))
           blame = Annotate.new
-          hg 'rhannotate', '-ncu', '-r', CGI.escape(hgrev(identifier)), '--', hgtarget(p) do |io|
+          hg 'rhannotate', '-ncu', "-r#{CGI.escape(hgrev(identifier))}", '--', hgtarget(p) do |io|
             io.each_line do |line|
               line.force_encoding('ASCII-8BIT')
               next unless line =~ %r{^([^:]+)\s(\d+)\s([0-9a-f]+):\s(.*)$}
@@ -304,7 +304,8 @@ module Redmine
           end
 
           repo_path = root_url || url
-          full_args = ['-R', repo_path, '--encoding', 'utf-8']
+          full_args = ["-R#{repo_path}", '--encoding=utf-8']
+          # don't use "--config=<value>" form for compatibility with ancient Mercurial
           full_args << '--config' << "extensions.redminehelper=#{HG_HELPER_EXT}"
           full_args << '--config' << 'diff.git=false'
           full_args += args

test/unit/lib/redmine/scm/adapters/mercurial_adapter_test.rb

@@ -21,6 +21,7 @@ class MercurialAdapterTest < ActiveSupport::TestCase
   HELPERS_DIR        = Redmine::Scm::Adapters::MercurialAdapter::HELPERS_DIR
   TEMPLATE_NAME      = Redmine::Scm::Adapters::MercurialAdapter::TEMPLATE_NAME
   TEMPLATE_EXTENSION = Redmine::Scm::Adapters::MercurialAdapter::TEMPLATE_EXTENSION
+  HgCommandAborted   = Redmine::Scm::Adapters::MercurialAdapter::HgCommandAborted
   HgCommandArgumentError = Redmine::Scm::Adapters::MercurialAdapter::HgCommandArgumentError
 
   REPOSITORY_PATH = repository_path('mercurial')
@@ -445,19 +446,18 @@ class MercurialAdapterTest < ActiveSupport::TestCase
     end
 
     def test_bad_early_options
-      assert_raise HgCommandArgumentError do
+      assert_nil @adapter.diff('sources/welcome_controller.rb',
-        @adapter.diff('sources/welcome_controller.rb', '--config=alias.rhdiff=!xterm')
+                               '--config=alias.rhdiff=!xterm')
-      end
       assert_raise HgCommandArgumentError do
         @adapter.entries('--debugger')
       end
-      assert_raise HgCommandArgumentError do
+      assert_raise HgCommandAborted do
         @adapter.revisions(nil, nil, nil, limit: '--repo=otherrepo')
       end
-      assert_raise HgCommandArgumentError do
+      assert_raise HgCommandAborted do
         @adapter.nodes_in_branch('default', limit: '--repository=otherrepo')
       end
-      assert_raise HgCommandArgumentError do
+      assert_raise HgCommandAborted do
         @adapter.nodes_in_branch('-Rotherrepo')
       end
     end