[PATCH v4 4/5] git-remote-mediawiki: Adding git-mw command

[benoit.person@xxxxxxxxxx]

From: Benoit Person <benoit.person@xxxxxxxxxx>

For now, git-remote-mediawiki is only a remote-helper. This patch adds a new
toolset script in which we will be able to build new tools for
git-remote-mediawiki.

This toolset uses a subcommand-mechanism to launch the proper action. For now
only the 'help' subcommand is implemented. It also provides some generic code
for the verbose and help command line options.

Signed-off-by: Benoit Person <benoit.person@xxxxxxxxxx>
Signed-off-by: Matthieu Moy <matthieu.moy@xxxxxxxxxxxxxxx>

---
 contrib/mw-to-git/Makefile    |  7 ++---
 contrib/mw-to-git/git-mw.perl | 60 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+), 3 deletions(-)
 create mode 100644 contrib/mw-to-git/git-mw.perl

diff --git a/contrib/mw-to-git/Makefile b/contrib/mw-to-git/Makefile
index becd322..e2ae798 100644
--- a/contrib/mw-to-git/Makefile
+++ b/contrib/mw-to-git/Makefile
@@ -6,6 +6,7 @@
 
 GIT_MEDIAWIKI_PM=Git/Mediawiki.pm
 SCRIPT_PERL=git-remote-mediawiki.perl
+SCRIPT_PERL+=git-mw.perl
 GIT_ROOT_DIR=../..
 HERE=contrib/mw-to-git/
 
@@ -20,15 +21,15 @@ install_pm:
 	install $(GIT_MEDIAWIKI_PM) $(INSTLIBDIR)/$(GIT_MEDIAWIKI_PM)
 
 build:
-	$(MAKE) -C $(GIT_ROOT_DIR) SCRIPT_PERL=$(SCRIPT_PERL_FULL) \
+	$(MAKE) -C $(GIT_ROOT_DIR) SCRIPT_PERL="$(SCRIPT_PERL_FULL)" \
                 build-perl-script
 
 install: install_pm
-	$(MAKE) -C $(GIT_ROOT_DIR) SCRIPT_PERL=$(SCRIPT_PERL_FULL) \
+	$(MAKE) -C $(GIT_ROOT_DIR) SCRIPT_PERL="$(SCRIPT_PERL_FULL)" \
                 install-perl-script
 
 clean:
-	$(MAKE) -C $(GIT_ROOT_DIR) SCRIPT_PERL=$(SCRIPT_PERL_FULL) \
+	$(MAKE) -C $(GIT_ROOT_DIR) SCRIPT_PERL="$(SCRIPT_PERL_FULL)" \
                 clean-perl-script
 	rm $(INSTLIBDIR)/$(GIT_MEDIAWIKI_PM)
 
diff --git a/contrib/mw-to-git/git-mw.perl b/contrib/mw-to-git/git-mw.perl
new file mode 100644
index 0000000..4a3e4a9
--- /dev/null
+++ b/contrib/mw-to-git/git-mw.perl
@@ -0,0 +1,60 @@
+#!/usr/bin/perl
+
+# Copyright (C) 2013
+#     Benoit Person <benoit.person@xxxxxxxxxxxxxxx>
+#     Celestin Matte <celestin.matte@xxxxxxxxxxxxxxx>
+# License: GPL v2 or later
+
+# Set of tools for git repo with a mediawiki remote.
+# Documentation & bugtracker: https://github.com/moy/Git-Mediawiki/
+
+use strict;
+use warnings;
+
+use Getopt::Long;
+
+# By default, use UTF-8 to communicate with Git and the user
+binmode STDERR, ':encoding(UTF-8)';
+binmode STDOUT, ':encoding(UTF-8)';
+
+# Global parameters
+my $verbose = 0;
+sub v_print {
+	if ($verbose) {
+		return print {*STDERR} @_;
+	}
+	return;
+}
+
+my %commands = (
+	'help' =>
+		[\&help, {}, \&help]
+);
+
+# Search for sub-command
+my $cmd = $commands{'help'};
+for (0..@ARGV-1) {
+	if (defined $commands{$ARGV[$_]}) {
+		$cmd = $commands{$ARGV[$_]};
+		splice @ARGV, $_, 1;
+		last;
+	}
+};
+GetOptions( %{$cmd->[1]},
+	'help|h' => \&{$cmd->[2]},
+	'verbose|v'  => \$verbose);
+
+# Launch command
+&{$cmd->[0]};
+
+############################## Help Functions ##################################
+
+sub help {
+	print {*STDOUT} <<'END';
+usage: git mw <command> <args>
+
+git mw commands are:
+    help        Display help information about git mw
+END
+	exit;
+}
-- 
1.8.3.GIT

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