Add `mr bootstrap`

which downloads an url to a .mrconfig file in the current directory and
then checks out all repositories configured in it.

This is intended for projects that want to publish a mrconfig file to
automate use of their several repositories.

diff --git a/debian/changelog b/debian/changelog
index 32958faaa2fdb39de87f3faedb1a44e1950f5e67..87a496ee2a3977f97d16062ead0102136d924457 100644 (file)
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,9 +1,11 @@
 mr (0.41) UNRELEASED; urgency=low
 
   * Add -p switch, that makes mr search the current directory and its
-    parents for a .mrconfig file to use. Useful for projects that want
-    to publish a mrconfig file to use to check out their several repositories,
-    without requiring users put it anywhere in particular.
+    parents for a .mrconfig file to use.
+  * Add `mr bootstrap`, which downloads an url to a .mrconfig file
+    in the current directory and then checks out all repositories configured
+    in it. This is intended for projects that want to publish a mrconfig file
+    to automate use of their several repositories.
 
  -- Joey Hess <joeyh@debian.org>  Thu, 06 Aug 2009 22:13:05 -0400
 

diff --git a/debian/copyright b/debian/copyright
index 24c49f0c84d6dc326eb2e75dfa1bb1e55b421422..5acf19190ace9ea7847618db5e26cae6dc0e3852 100644 (file)
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,5 +1,5 @@
 Files: *
-Copyright: (c) 2007 Joey Hess <joeyh@debian.org>
+Copyright: (c) 2007-2009 Joey Hess <joeyh@debian.org>
 License: GPL-2+
  On Debian systems, the complete text of the GPL can be found in
  /usr/share/common-licenses/GPL.

diff --git a/mr b/mr
index 4dbaa7a6a3e1969e01c65b2e7a5ba050c20f970d..fd380dbe80b2657260caae2e840f8ca9a2b42b58 100755 (executable)
--- a/mr
+++ b/mr
@@ -20,6 +20,8 @@ B<mr> [options] diff
 
 B<mr> [options] log
 
+B<mr> [options] bootstrap url
+
 B<mr> [options] register [repository]
 
 B<mr> [options] config section ["parameter=[value]" ...]
@@ -98,6 +100,14 @@ These commands are also available:
 
 =over 4
 
+=item bootstrap url
+
+Causes mr to download the url, save it to a .mrconfig file in the
+current directory, and then check out all repositories listed in it.
+
+(Please only do this if you have reason to trust the url, since
+mrconfig files can contain arbitrary commands!)
+
 =item list (or ls)
 
 List the repositories that mr will act on.
@@ -354,7 +364,7 @@ the documentation in the files for details about using them.
 
 =head1 AUTHOR
 
-Copyright 2007 Joey Hess <joey@kitenet.net>
+Copyright 2007-2009 Joey Hess <joey@kitenet.net>
 
 Licensed under the GNU GPL version 2 or higher.
 
@@ -1023,6 +1033,9 @@ sub dispatch {
        elsif ($action eq 'register') {
                register(@ARGV);
        }
+       elsif ($action eq 'bootstrap') {
+               bootstrap();
+       }
        elsif ($action eq 'remember' ||
               $action eq 'offline' ||
               $action eq 'online') {
@@ -1128,6 +1141,25 @@ sub register {
        exec($command) || die "exec: $!";
 }
 
+sub bootstrap {
+       my $url=shift @ARGV;
+
+       if (! defined $url || ! length $url) {
+               die "mr: bootstrap requires url\n";
+       }
+
+       if (-e ".mrconfig") {
+               die "mr: .mrconfig file already exists, not overwriting with $url\n";
+       }
+
+       if (system("curl", "-s", $url, "-o", ".mrconfig") != 0) {
+               die "mr: download of $url failed\n";
+       }
+
+       exec("mr $ENV{MR_SWITCHES} -c .mrconfig checkout");
+       die "failed to run mr checkout";
+}
+
 # alias expansion and command stemming
 sub expandaction {
        my $action=shift;
@@ -1393,6 +1425,7 @@ help =
        man -l "$tmp" || error "man failed"
 list = true
 config = 
+bootstrap = 
 
 online =
        if [ -s ~/.mrlog ]; then