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bootstrap: add support to stdin
[code/myrepos.git] / mr
diff --git a/mr b/mr
index 4d77368724111b651da54eb67fa91410072b6950..d59dc39299cec62bcc44e2c55e92f1a14969bde9 100755 (executable)
--- a/mr
+++ b/mr
@@ -1,8 +1,8 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 
 =head1 NAME
 
 
 =head1 NAME
 
-mr - a Multiple Repository management tool
+mr - a tool to manage all your version control repos
 
 =head1 SYNOPSIS
 
 
 =head1 SYNOPSIS
 
@@ -24,9 +24,11 @@ B<mr> [options] diff
 
 B<mr> [options] log
 
 
 B<mr> [options] log
 
+B<mr> [options] grep pattern
+
 B<mr> [options] run command [param ...]
 
 B<mr> [options] run command [param ...]
 
-B<mr> [options] bootstrap url [directory]
+B<mr> [options] bootstrap src [directory]
 
 B<mr> [options] register [repository]
 
 
 B<mr> [options] register [repository]
 
@@ -40,11 +42,11 @@ B<mr> [options] remember action [params ...]
 
 =head1 DESCRIPTION
 
 
 =head1 DESCRIPTION
 
-B<mr> is a Multiple Repository management tool. It can checkout, update, or
-perform other actions on a set of repositories as if they were one combined
-repository. It supports any combination of subversion, git, cvs, mercurial,
-bzr, darcs, fossil and veracity repositories, and support for other version
-control systems can easily be added.
+B<mr> is a tool to manage all your version control repos. It can checkout,
+update, or perform other actions on a set of repositories as if they were
+one combined repository. It supports any combination of subversion, git,
+cvs, mercurial, bzr, darcs, fossil and veracity repositories, and support
+for other version control systems can easily be added.
 
 B<mr> cds into and operates on all registered repositories at or below your
 working directory. Or, if you are in a subdirectory of a repository that
 
 B<mr> cds into and operates on all registered repositories at or below your
 working directory. Or, if you are in a subdirectory of a repository that
@@ -113,6 +115,11 @@ Show a diff of uncommitted changes.
 
 Show the commit log.
 
 
 Show the commit log.
 
+=item grep pattern
+
+Searches for a pattern in each repository using the grep subcommand. Uses
+ack-grep on VCS that do not have their own.
+
 =item run command [param ...]
 
 Runs the specified command in each repository.
 =item run command [param ...]
 
 Runs the specified command in each repository.
@@ -123,17 +130,34 @@ These commands are also available:
 
 =over 4
 
 
 =over 4
 
-=item bootstrap url [directory]
+=item bootstrap src [directory]
+
+Causes mr to retrieve the source C<src> and use it as a .mrconfig file to
+checkout the repositories listed in it, into the specified directory.
+
+B<mr> understands several types of sources:
+
+=over 4
 
 
-Causes mr to download the url, and use it as a .mrconfig file to checkout
-the repositories listed in it, into the specified directory.
+=item URL for curl
 
 
-To use scp to download, the url may have the form ssh://[user@]host:file
+C<src> may be an URL understood by B<curl>.
+
+=item copy via ssh
+
+To use B<scp> to download, the C<src> may have the form
+C<ssh://[user@]host:file>.
+
+=item local file
+
+You can retrieve the config file by other means and pass its B<path> as C<src>.
+
+=back
 
 The directory will be created if it does not exist. If no directory is
 specified, the current directory will be used.
 
 
 The directory will be created if it does not exist. If no directory is
 specified, the current directory will be used.
 
-If the .mrconfig file includes a repository named ".", that
+As a special case, if source C<src> includes a repository named ".", that
 is checked out into the top of the specified directory.
 
 =item list (or ls)
 is checked out into the top of the specified directory.
 
 =item list (or ls)
@@ -519,7 +543,7 @@ Copyright 2007-2011 Joey Hess <joey@kitenet.net>
 
 Licensed under the GNU GPL version 2 or higher.
 
 
 Licensed under the GNU GPL version 2 or higher.
 
-http://kitenet.net/~joey/code/mr/
+http://myrepos.branchable.com/
 
 =cut
 
 
 =cut
 
@@ -1216,7 +1240,7 @@ my %loaded;
 sub loadconfig {
        my $f=shift;
        my $dir=shift;
 sub loadconfig {
        my $f=shift;
        my $dir=shift;
-       my $bootstrap_url=shift;
+       my $bootstrap_src=shift;
 
        my @toload;
 
 
        my @toload;
 
@@ -1304,8 +1328,8 @@ sub loadconfig {
        my $trusterror = sub {
                my $msg=shift;
        
        my $trusterror = sub {
                my $msg=shift;
        
-               if (defined $bootstrap_url) {
-                       die "mr: $msg in untrusted $bootstrap_url line $lineno\n".
+               if (defined $bootstrap_src) {
+                       die "mr: $msg in untrusted $bootstrap_src line $lineno\n".
                                "(To trust this url, --trust-all can be used; but please use caution;\n".
                                "this can allow arbitrary code execution!)\n";
                }
                                "(To trust this url, --trust-all can be used; but please use caution;\n".
                                "this can allow arbitrary code execution!)\n";
                }
@@ -1318,11 +1342,12 @@ sub loadconfig {
        while (@lines) {
                $_=$nextline->();
 
        while (@lines) {
                $_=$nextline->();
 
+               next if /^\s*\#/ || /^\s*$/;
+
                if (! $trusted && /[[:cntrl:]]/) {
                        $trusterror->("illegal control character");
                }
 
                if (! $trusted && /[[:cntrl:]]/) {
                        $trusterror->("illegal control character");
                }
 
-               next if /^\s*\#/ || /^\s*$/;
                if (/^\[([^\]]*)\]\s*$/) {
                        $section=$1;
 
                if (/^\[([^\]]*)\]\s*$/) {
                        $section=$1;
 
@@ -1661,30 +1686,47 @@ sub register {
 }
 
 sub bootstrap {
 }
 
 sub bootstrap {
-       my $url=shift @ARGV;
+       eval q{use File::Copy};
+       die $@ if $@;
+
+       my $src=shift @ARGV;
        my $dir=shift @ARGV || ".";
        
        my $dir=shift @ARGV || ".";
        
-       if (! defined $url || ! length $url) {
-               die "mr: bootstrap requires url\n";
+       if (! defined $src || ! length $src) {
+               die "mr: bootstrap requires source\n";
        }
        }
-       
-       # Download the config file to a temporary location.
+
+       # Retrieve config file.
        eval q{use File::Temp};
        die $@ if $@;
        my $tmpconfig=File::Temp->new();
        eval q{use File::Temp};
        die $@ if $@;
        my $tmpconfig=File::Temp->new();
-       my @downloader;
-       if ($url =~ m!^ssh://(.*)!) {
-               @downloader = ("scp", $1, $tmpconfig);
+       if ($src =~ m!^[\w\d]+://!) {
+               # Download the config file to a temporary location.
+               my @downloader;
+               if ($src =~ m!^ssh://(.*)!) {
+                       @downloader = ("scp", $1, $tmpconfig);
+               }
+               else {
+                       @downloader = ("curl", "-A", "mr", "-L", "-s", $src, "-o", $tmpconfig);
+                       push(@downloader, "-k") if $insecure;
+               }
+               my $status = system(@downloader);
+               die "mr bootstrap: invalid SSL certificate for $src (consider -k)\n"
+                       if $downloader[0] eq 'curl' && $status >> 8 == 60;
+               die "mr bootstrap: download of $src failed\n" if $status != 0;
+       }
+       elsif ($src eq '-') {
+               # Config file is read from stdin.
+               copy(\*STDIN, $tmpconfig) || die "stdin: $!";
        }
        else {
        }
        else {
-               @downloader = ("curl", "-A", "mr", "-L", "-s", $url, "-o", $tmpconfig);
-               push(@downloader, "-k") if $insecure;
+               # Config file is local.
+               die "mr bootstrap: cannot read file '$src'"
+                       unless -r $src;
+               copy($src, $tmpconfig) || die "copy: $!";
        }
        }
-       my $status = system(@downloader);
-       die "mr bootstrap: invalid SSL certificate for $url (consider -k)\n"
-               if $downloader[0] eq 'curl' && $status >> 8 == 60;
-       die "mr bootstrap: download of $url failed\n" if $status != 0;
 
 
+       # Sanity check on destination directory.
        if (! -e $dir) {
                system("mkdir", "-p", $dir);
        }
        if (! -e $dir) {
                system("mkdir", "-p", $dir);
        }
@@ -1694,16 +1736,14 @@ sub bootstrap {
        # would normally be skipped.
        my $topdir=abs_path(".")."/";
        my @repo=($topdir, $topdir, ".");
        # would normally be skipped.
        my $topdir=abs_path(".")."/";
        my @repo=($topdir, $topdir, ".");
-       loadconfig($tmpconfig, $topdir, $url);
+       loadconfig($tmpconfig, $topdir, $src);
        record(\@repo, action("checkout", @repo, 1))
                if exists $config{$topdir}{"."}{"checkout"};
 
        if (-e ".mrconfig") {
        record(\@repo, action("checkout", @repo, 1))
                if exists $config{$topdir}{"."}{"checkout"};
 
        if (-e ".mrconfig") {
-               print STDERR "mr bootstrap: .mrconfig file already exists, not overwriting with $url\n";
+               print STDERR "mr bootstrap: .mrconfig file already exists, not overwriting with $src\n";
        }
        else {
        }
        else {
-               eval q{use File::Copy};
-               die $@ if $@;
                move($tmpconfig, ".mrconfig") || die "rename: $!";
        }
 
                move($tmpconfig, ".mrconfig") || die "rename: $!";
        }
 
@@ -2082,7 +2122,7 @@ help =
                SHOWMANFILE="man"
                ;;
                *)
                SHOWMANFILE="man"
                ;;
                *)
-               SHOWMANFILE="man -l"
+               SHOWMANFILE="man"
                ;;
        esac
        if [ ! -e "$MR_PATH" ]; then
                ;;
        esac
        if [ ! -e "$MR_PATH" ]; then
hacking on myrepos

Legalese

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All files and their content are released under the terms of the Artistic Licence 2.0, unless otherwise noted.

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