scm: mercurial: add new method 'hg' to wrap shellout (#4455).

Contributed by Yuya Nishihara. git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4830 e93f8b46-1217-0410-a6f0-8f06a7374b81

scm: mercurial: add new method 'hg' to wrap shellout (#4455).
Contributed by Yuya Nishihara. git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4830 e93f8b46-1217-0410-a6f0-8f06a7374b81
cad03563 · Toshi MARUYAMA · Eric Davis · f62cccfd · cad03563
Commit cad03563 authored Feb 15, 2011 by Toshi MARUYAMA Committed by Eric Davis Apr 16, 2011
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mercurial_adapter.rb lib/redmine/scm/adapters/mercurial_adapter.rb +17 -0

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--- a/lib/redmine/scm/adapters/mercurial_adapter.rb
+++ b/lib/redmine/scm/adapters/mercurial_adapter.rb
@@ -29,6 +29,9 @@ module Redmine
        TEMPLATE_NAME = "hg-template"
        TEMPLATE_EXTENSION = "tmpl"

+        # raised if hg command exited with error, e.g. unknown revision.
+        class HgCommandAborted < CommandFailed; end
+
        class << self
          def client_command
            @@bin    ||= HG_BIN
@@ -226,6 +229,20 @@ module Redmine
          end
        end

+        # Runs 'hg' command with the given args
+        def hg(*args, &block)
+          full_args = [HG_BIN, '--cwd', url, '--encoding', 'utf-8']
+          full_args << '--config' << "extensions.redminehelper=#{HG_HELPER_EXT}"
+          full_args << '--config' << 'diff.git=false'
+          full_args += args
+          ret = shellout(full_args.map { |e| shell_quote e.to_s }.join(' '), &block)
+          if $? && $?.exitstatus != 0
+            raise HgCommandAborted, "hg exited with non-zero status: #{$?.exitstatus}"
+          end
+          ret
+        end
+        private :hg
+
        # Returns correct revision identifier
        def hgrev(identifier, sq=false)
          rev = identifier.blank? ? 'tip' : identifier.to_s