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[code/myrepos.git] / mr
diff --git a/mr b/mr
index 9a8f750a5406925cbe9afdf60deb808d5cf5097f..ab71f36045abe6fc3e4fed67692bffbbf2d4ebcc 100755 (executable)
--- a/mr
+++ b/mr
@@ -12,7 +12,7 @@ B<mr> [options] update
 
 B<mr> [options] status
 
 
 B<mr> [options] status
 
-B<mr> [options] commit -m "message"
+B<mr> [options] commit [-m "message"]
 
 B<mr> [options] action [params ...]
 
 
 B<mr> [options] action [params ...]
 
@@ -23,7 +23,41 @@ set of repositories in a .mrconfig file, and then checkout, update, or
 perform other actions on all of the repositories at once.
 
 Any mix of revision control systems can be used with B<mr>, and you can
 perform other actions on all of the repositories at once.
 
 Any mix of revision control systems can be used with B<mr>, and you can
-define arbitrary actions like "update", "checkout", or "commit".
+define arbitrary actions for commands like "update", "checkout", or "commit".
+
+The predefined commands should be fairly familiar to users of any revision
+control system:
+
+=over 4
+
+=item checkout
+
+Checks out all the registered repositories that are not already checked
+out.
+
+=item update
+
+Updates each registered repository from its configured remote repository.
+
+If a repository isn't checked out yet, it will first check it out.
+
+=item status
+
+Displays a status report for each registered repository, showing what
+uncommitted changes are present in the repository.
+
+=item commit
+
+Commits changes to each registered repository. (By default, changes
+are pushed to the remote repository too, when using distributed systems
+like git.)
+
+The optional -m parameter allows specifying a commit message.
+
+=back
+
+Actions can be abbreviated to any unambiguous subsctring, so
+"mr st" is equivilant to "mr status".
 
 =head1 OPTIONS
 
 
 =head1 OPTIONS
 
@@ -48,9 +82,10 @@ Be verbose.
 
 =head1 FILES
 
 
 =head1 FILES
 
-B<mr> is configured by .mrconfig files. It searches for .mrconfig files in
-your home directory, and in the root directory of each repository specified
-in a .mrconfig file. So you could have a ~/.mrconfig that registers a
+B<mr> is configured by .mrconfig files. It starts by reading the .mrconfig
+file in your home directory. Each repository specified in a .mrconfig file
+can also have its own .mrconfig file in its root directory that can
+optionally be used as well. So you could have a ~/.mrconfig that registers a
 repository ~/src, that itself contains a ~/src/.mrconfig file, that in turn
 registers several additional repositories.
 
 repository ~/src, that itself contains a ~/src/.mrconfig file, that in turn
 registers several additional repositories.
 
@@ -61,12 +96,19 @@ directory that contains the .mrconfig file.
 
 Within a section, each parameter defines a shell command to run to handle a
 given action. Note that these shell commands are run in a "set -e" shell
 
 Within a section, each parameter defines a shell command to run to handle a
 given action. Note that these shell commands are run in a "set -e" shell
-environment, and B<mr> cds into the repository directory before running
-them, except for the "checkout" command, which is run in the parent of the
-repository directory, since the repository isn't checked out yet.
+environment, where any additional parameters you pass are available in
+"$@". B<mr> cds into the repository directory before running
+a command, except for the "checkout" command, which is run in the parent
+of the repository directory, since the repository isn't checked out yet.
 
 
-There are two special parameters. If the "skip" parameter is set and
+There are three special parameters. If the "skip" parameter is set and
 its command returns nonzero, then B<mr> will skip acting on that repository.
 its command returns nonzero, then B<mr> will skip acting on that repository.
+If the "chain" parameter is set and its command returns nonzero, then B<mr>
+will try to load a .mrconfig file from the root of the repository. (You
+should avoid chaining from repositories with untrusted committers.) The
+"lib" parameter can specify some shell code that will be run before each
+command, this can be a useful way to define shell functions other commands
+can use.
 
 The "default" section allows setting up default handlers for each action,
 and is overridden by the contents of other sections. mr contains default
 
 The "default" section allows setting up default handlers for each action,
 and is overridden by the contents of other sections. mr contains default
@@ -77,12 +119,22 @@ For example:
 
   [src]
   checkout = svn co svn://svn.example.com/src/trunk src
 
   [src]
   checkout = svn co svn://svn.example.com/src/trunk src
+  chain = true
 
   [src/linux-2.6]
 
   [src/linux-2.6]
-  # only check this out on kodama
-  skip = test $(hostname) != kodama
+  skip = small
   checkout = git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
 
   checkout = git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
 
+  [default]
+  lib = \
+  small() {
+       case "$(hostname)" in; \
+       slug|snail); \
+               return 0; ;; ; \
+       esac; \
+       return 1; \
+  }
+
 =head1 AUTHOR
 
 Copyright 2007 Joey Hess <joey@kitenet.net>
 =head1 AUTHOR
 
 Copyright 2007 Joey Hess <joey@kitenet.net>
@@ -102,6 +154,7 @@ my $directory=getcwd();
 my $config="$ENV{HOME}/.mrconfig";
 my $verbose=0;
 my %config;
 my $config="$ENV{HOME}/.mrconfig";
 my $verbose=0;
 my %config;
+my %knownactions;
 
 Getopt::Long::Configure("no_permute");
 my $result=GetOptions(
 
 Getopt::Long::Configure("no_permute");
 my $result=GetOptions(
@@ -112,14 +165,24 @@ my $result=GetOptions(
 if (! $result || @ARGV < 1) {
        die("Usage: mr [-d directory] action [params ...]\n");
 }
 if (! $result || @ARGV < 1) {
        die("Usage: mr [-d directory] action [params ...]\n");
 }
-my $action=shift @ARGV;
 
 loadconfig(\*DATA);
 loadconfig($config);
 #use Data::Dumper;
 #print Dumper(\%config);
 
 
 loadconfig(\*DATA);
 loadconfig($config);
 #use Data::Dumper;
 #print Dumper(\%config);
 
-my (@failures, @successes, @skipped);
+my $action=shift @ARGV;
+if (! $knownactions{$action}) {
+       my @matches = grep { /^\Q$action\E/ } keys %knownactions;
+       if (@matches == 1) {
+               $action=$matches[0];
+       }
+       else {
+               die "mr: ambiguous action \"$action\" (matches @matches)\n";
+       }
+}
+
+my (@failed, @successful, @skipped);
 my $first=1;
 foreach my $topdir (sort keys %config) {
        foreach my $subdir (sort keys %{$config{$topdir}}) {
 my $first=1;
 foreach my $topdir (sort keys %config) {
        foreach my $subdir (sort keys %{$config{$topdir}}) {
@@ -128,6 +191,7 @@ foreach my $topdir (sort keys %config) {
                my $dir=$topdir.$subdir;
 
                if (defined $directory &&
                my $dir=$topdir.$subdir;
 
                if (defined $directory &&
+                   $dir ne $directory &&
                    $dir !~ /^\Q$directory\E\//) {
                        print "mr $action: $dir skipped per -d parameter ($directory)\n" if $verbose;
                        push @skipped, $dir;
                    $dir !~ /^\Q$directory\E\//) {
                        print "mr $action: $dir skipped per -d parameter ($directory)\n" if $verbose;
                        push @skipped, $dir;
@@ -137,49 +201,67 @@ foreach my $topdir (sort keys %config) {
                print "\n" unless $first;
                $first=0;
 
                print "\n" unless $first;
                $first=0;
 
-               if (exists $config{$topdir}{$subdir}{skip}) {
-                       my $ret=system($config{$topdir}{$subdir}{skip});
-                       if ($ret >> 8 == 0) {
-                               print "mr $action: $dir skipped per config file\n" if $verbose;
-                               push @skipped, $dir;
-                               next;
-                       }
-               }
+               action($action, $dir, $topdir, $subdir);
 
 
-               if ($action eq 'checkout') {
-                       if (-e $dir) {
-                               print "mr $action: $dir already exists, skipping checkout\n";
-                               push @skipped, $dir;
-                               next;
-                       }
-                       $dir=~s/^(.*)\/[^\/]+\/?$/$1/;
-               }
-               if (! chdir($dir)) {
-                       print STDERR "mr $action: failed to chdir to $dir: $!\n";
+       }
+}
+
+sub action {
+       my ($action, $dir, $topdir, $subdir) = @_;
+
+       if ($action eq 'checkout') {
+               if (-d $dir) {
+                       print "mr $action: $dir already exists, skipping checkout\n" if $verbose;
                        push @skipped, $dir;
                        push @skipped, $dir;
+                       return;
                }
                }
-               elsif (! exists $config{$topdir}{$subdir}{$action}) {
-                       print STDERR "mr $action: no defined $action command for $topdir$subdir, skipping\n";
+               $dir=~s/^(.*)\/[^\/]+\/?$/$1/;
+       }
+       elsif ($action eq 'update') {
+               if (! -d $dir) {
+                       return action("checkout", $dir, $topdir, $subdir);
+               }
+       }
+       
+       if (! chdir($dir)) {
+               print STDERR "mr $action: failed to chdir to $dir: $!\n";
+               push @skipped, $dir;
+       }
+
+       if (exists $config{$topdir}{$subdir}{skip}) {
+               my $ret=system($config{$topdir}{$subdir}{skip});
+               if ($ret >> 8 == 0) {
+                       print "mr $action: $dir skipped per config file\n" if $verbose;
                        push @skipped, $dir;
                        push @skipped, $dir;
+                       next;
                }
                }
-               else {
-                       print "mr $action: in $dir\n";
-                       my $command="set -e; my_action(){ $config{$topdir}{$subdir}{$action} ; }; my_action @ARGV";
-                       my $ret=system($command);
-                       if ($ret != 0) {
-                               print STDERR "mr $action: failed to run: $command\n" if $verbose;
-                               push @failures, $topdir.$subdir;
-                               if ($ret >> 8 != 0) {
-                                       print STDERR "mr $action: command failed\n";
-                               }
-                               elsif ($ret != 0) {
-                                       print STDERR "mr $action: command died ($ret)\n";
-                               }
+       }
+
+       if (! exists $config{$topdir}{$subdir}{$action}) {
+               print STDERR "mr $action: no defined $action command for $topdir$subdir, skipping\n";
+               push @skipped, $dir;
+       }
+       else {
+               print "mr $action: in $dir\n";
+               my $command="set -e; ".
+                       (exists $config{$topdir}{$subdir}{lib} ?
+                               $config{$topdir}{$subdir}{lib} : "").
+                       "my_action(){ $config{$topdir}{$subdir}{$action} ; }; my_action ".
+                       join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
+               my $ret=system($command);
+               if ($ret != 0) {
+                       print STDERR "mr $action: failed to run: $command\n" if $verbose;
+                       push @failed, $topdir.$subdir;
+                       if ($ret >> 8 != 0) {
+                               print STDERR "mr $action: command failed\n";
                        }
                        }
-                       else {
-                               push @successes, $dir;
+                       elsif ($ret != 0) {
+                               print STDERR "mr $action: command died ($ret)\n";
                        }
                }
                        }
                }
+               else {
+                       push @successful, $dir;
+               }
        }
 }
 
        }
 }
 
@@ -193,11 +275,17 @@ sub showstat {
        return;
 }
 print "\nmr $action: finished (".join("; ",
        return;
 }
 print "\nmr $action: finished (".join("; ",
-       showstat($#successes+1, "success", "successes"),
-       showstat($#failures+1, "failure", "failures"),
+       showstat($#successful+1, "successful", "successful"),
+       showstat($#failed+1, "failed", "failed"),
        showstat($#skipped+1, "skipped", "skipped"),
 ).")\n";
        showstat($#skipped+1, "skipped", "skipped"),
 ).")\n";
-exit @failures ? 1 : 0;
+if (@failed) {
+       exit 1;
+}
+elsif (! @successful && @skipped) {
+       exit 1;
+}
+exit 0;
 
 my %loaded;
 sub loadconfig {
 
 my %loaded;
 sub loadconfig {
@@ -222,6 +310,9 @@ sub loadconfig {
                print "mr: loading config $f\n" if $verbose;
                open($in, "<", $f) || die "mr: open $f: $!\n";
                ($dir)=$f=~/^(.*\/)[^\/]+$/;
                print "mr: loading config $f\n" if $verbose;
                open($in, "<", $f) || die "mr: open $f: $!\n";
                ($dir)=$f=~/^(.*\/)[^\/]+$/;
+               if (! defined $dir) {
+                       $dir=".";
+               }
                $dir=abs_path($dir)."/";
 
                # copy in defaults from first parent
                $dir=abs_path($dir)."/";
 
                # copy in defaults from first parent
@@ -241,10 +332,6 @@ sub loadconfig {
                next if /^\s*\#/ || /^\s*$/;
                if (/^\s*\[([^\]]*)\]\s*$/) {
                        $section=$1;
                next if /^\s*\#/ || /^\s*$/;
                if (/^\s*\[([^\]]*)\]\s*$/) {
                        $section=$1;
-                       if (length $dir && $section ne "default" &&
-                           -e $dir.$section."/.mrconfig") {
-                               push @toload, $dir.$section."/.mrconfig";
-                       }
                }
                elsif (/^\s*(\w+)\s*=\s*(.*)/) {
                        my $parameter=$1;
                }
                elsif (/^\s*(\w+)\s*=\s*(.*)/) {
                        my $parameter=$1;
@@ -264,7 +351,20 @@ sub loadconfig {
                                # copy in defaults
                                $config{$dir}{$section}={ %{$config{$dir}{default}} };
                        }
                                # copy in defaults
                                $config{$dir}{$section}={ %{$config{$dir}{default}} };
                        }
-                       $config{$dir}{$section}{$parameter}=$value;
+                       if ($parameter ne 'lib') {
+                               $config{$dir}{$section}{$parameter}=$value;
+                               $knownactions{$parameter}=1;
+                       }
+                       else {
+                               $config{$dir}{$section}{$parameter}.=$value." ; ";
+                       }
+
+                       if ($parameter eq 'chain' &&
+                           length $dir && $section ne "default" &&
+                           -e $dir.$section."/.mrconfig" &&
+                           system($value) >> 8 == 0) {
+                               push @toload, $dir.$section."/.mrconfig";
+                       }
                }
                else {
                                die "$f line $.: parse error\n";
                }
                else {
                                die "$f line $.: parse error\n";
@@ -277,18 +377,22 @@ sub loadconfig {
        }
 }
 
        }
 }
 
-__DATA__
-# Some useful actions that mr knows about by default.
+# Finally, some useful actions that mr knows about by default.
 # These can be overridden in ~/.mrconfig.
 # These can be overridden in ~/.mrconfig.
+__DATA__
 [default]
 [default]
+lib = \
+       error() { \
+               echo "mr: $@" >&2; \
+               exit 1; \
+       }
 update = \
        if [ -d .svn ]; then \
                svn update; \
        elif [ -d .git ]; then \
                git pull origin master; \
        else \
 update = \
        if [ -d .svn ]; then \
                svn update; \
        elif [ -d .git ]; then \
                git pull origin master; \
        else \
-               echo "mr update: unknown RCS"; \
-               exit 1; \
+               error "unknown repo type"; \
        fi
 status = \
        if [ -d .svn ]; then \
        fi
 status = \
        if [ -d .svn ]; then \
@@ -296,15 +400,13 @@ status = \
        elif [ -d .git ]; then \
                git status || true; \
        else \
        elif [ -d .git ]; then \
                git status || true; \
        else \
-               echo "mr status: unknown RCS"; \
-               exit 1; \
+               error "unknown repo type"; \
        fi
 commit = \
        if [ -d .svn ]; then \
                svn commit "$@"; \
        elif [ -d .git ]; then \
        fi
 commit = \
        if [ -d .svn ]; then \
                svn commit "$@"; \
        elif [ -d .git ]; then \
-               git commit -a "$@"; \
+               git commit -a "$@" && git push --all; \
        else \
        else \
-               echo "mr commit: unknown RCS"; \
-               exit 1; \
+               error "unknown repo type"; \
        fi
        fi
hacking on myrepos

Legalese

All content available in this repository is copyright © martin f. krafft, unless otherwise noted.

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

The operator of this repository shall not be held liable for offending content in pages linking to or linked from these page, nor does he endorse their content unless stated otherwise.