Revert "replace `pwd` calls with $PWD"

[code/myrepos.git] / mr

diff --git a/mr b/mr
index 494e89bd4bb05a4ca5bcdded5fc81c94ef6ae6e8..2187aa06b59472cc9c13dfe5367bdd9b4ef59b45 100755 (executable)
--- a/mr
+++ b/mr
@@ -314,31 +314,22 @@ my $config_overridden=0;
 my $verbose=0;
 my $stats=0;
 my $no_recurse=0;
 my $verbose=0;
 my $stats=0;
 my $no_recurse=0;

+my $no_chdir=0;

 my $jobs=1;
 my %config;
 my %configfiles;
 my %knownactions;
 my %alias;
 my $directory=getcwd();
 my $jobs=1;
 my %config;
 my %configfiles;
 my %knownactions;
 my %alias;
 my $directory=getcwd();

+my (@ok, @failed, @skipped);

 
 

-Getopt::Long::Configure("no_permute");
-my $result=GetOptions(
-       "d|directory=s" => sub { $directory=abs_path($_[1]) },
-       "c|config=s" => sub { $ENV{MR_CONFIG}=$_[1]; $config_overridden=1 },
-       "v|verbose" => \$verbose,
-       "s|stats" => \$stats,
-       "n|no-recurse" => \$no_recurse,
-       "j|jobs=i" => \$jobs,
-);
-if (! $result || @ARGV < 1) {
-       die("Usage: mr [-d directory] action [params ...]\n".
-           "(Use mr help for man page.)\n");
+getopts();

 
 

-}
+# This can happen if it's run in a directory that was removed
+# or other strangeness.

 if (! defined $directory) {
        die("mr: failed to determine working directory\n");
 }
 if (! defined $directory) {
        die("mr: failed to determine working directory\n");
 }

-

 # Make sure MR_CONFIG is an absolute path, but don't use abs_path since
 # the config file might be a symlink to elsewhere, and the directory it's
 # in is significant.
 # Make sure MR_CONFIG is an absolute path, but don't use abs_path since
 # the config file might be a symlink to elsewhere, and the directory it's
 # in is significant.


@@ -356,190 +347,43 @@ loadconfig($ENV{MR_CONFIG});
 #use Data::Dumper;
 #print Dumper(\%config);
 
 #use Data::Dumper;
 #print Dumper(\%config);
 

-# alias expansion and command stemming
-my $action=shift @ARGV;
-if (exists $alias{$action}) {
-       $action=$alias{$action};
-}
-if (! exists $knownactions{$action}) {
-       my @matches = grep { /^\Q$action\E/ }
-               keys %knownactions, keys %alias;
-       if (@matches == 1) {
-               $action=$matches[0];
-       }
-       elsif (@matches == 0) {
-               die "mr: unknown action \"$action\" (known actions: ".
-                       join(", ", sort keys %knownactions).")\n";
-       }
-       else {
-               die "mr: ambiguous action \"$action\" (matches: ".
-                       join(", ", @matches).")\n";
-       }
-}
+my $action=expandaction(shift @ARGV);
+dispatch($action);
+showstats($action);

 
 

-# commands that do not operate on all repos
-if ($action eq 'help') {
-       exec($config{''}{DEFAULT}{$action}) || die "exec: $!";
+if (@failed) {
+       exit 1;

 }
 }

-elsif ($action eq 'config') {
-       if (@ARGV < 2) {
-               die "mr config: not enough parameters\n";
-       }
-       my $section=shift;
-       if ($section=~/^\//) {
-               # try to convert to a path relative to the config file
-               my ($dir)=$ENV{MR_CONFIG}=~/^(.*\/)[^\/]+$/;
-               $dir=abs_path($dir);
-               $dir.="/" unless $dir=~/\/$/;
-               if ($section=~/^\Q$dir\E(.*)/) {
-                       $section=$1;
-               }
-       }
-       my %changefields;
-       foreach (@ARGV) {
-               if (/^([^=]+)=(.*)$/) {
-                       $changefields{$1}=$2;
-               }
-               else {
-                       my $found=0;
-                       foreach my $topdir (sort keys %config) {
-                               if (exists $config{$topdir}{$section} &&
-                                   exists $config{$topdir}{$section}{$_}) {
-                                       print $config{$topdir}{$section}{$_}."\n";
-                                       $found=1;
-                                       last if $section eq 'DEFAULT';
-                               }
-                       }
-                       if (! $found) {
-                               die "mr $action: $section $_ not set\n";
-                       }
-               }
-       }
-       modifyconfig($ENV{MR_CONFIG}, $section, %changefields) if %changefields;
+elsif (! @ok && @skipped) {
+       exit 1;
+}
+else {

        exit 0;
 }
        exit 0;
 }

-elsif ($action eq 'register') {
-       if (! $config_overridden) {
-               # Find the closest known mrconfig file to the current
-               # directory.
-               $directory.="/" unless $directory=~/\/$/;
-               foreach my $topdir (reverse sort keys %config) {
-                       next unless length $topdir;
-                       if ($directory=~/^\Q$topdir\E/) {
-                               $ENV{MR_CONFIG}=$configfiles{$topdir};
-                               $directory=$topdir;
-                               last;
-                       }
-               }
-       }
-       if (@ARGV) {
-               my $subdir=shift @ARGV;
-               if (! chdir($subdir)) {
-                       print STDERR "mr $action: failed to chdir to $subdir: $!\n";
-               }
-       }
-
-       $ENV{MR_REPO}=getcwd();
-       my $command=findcommand("register", $ENV{MR_REPO}, $directory, 'DEFAULT');
-       if (! defined $command) {
-               die "mr $action: unknown repository type\n";
-       }

 
 

-       $ENV{MR_REPO}=~s/.*\/(.*)/$1/;
-       $command="set -e; ".$config{$directory}{DEFAULT}{lib}."\n".
-               "my_action(){ $command\n }; my_action ".
-               join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
-       print "mr $action: running >>$command<<\n" if $verbose;
-       exec($command) || die "exec: $!";
-}
+sub dispatch { #{{{
+       my $action=shift;

 
 

-# an ordered list of repos
-my @list;
-foreach my $topdir (sort keys %config) {
-       foreach my $subdir (sort keys %{$config{$topdir}}) {
-               push @list, {
-                       topdir => $topdir,
-                       subdir => $subdir,
-                       order => $config{$topdir}{$subdir}{order},
-               };
+       # actions that do not operate on all repos
+       if ($action eq 'help') {
+               help(@ARGV);

        }
        }

-}
-@list = sort {
-               $a->{order}  <=> $b->{order}
-                            ||
-               $a->{topdir} cmp $b->{topdir}
-                            ||
-               $a->{subdir} cmp $b->{subdir}
-       } @list;
-
-# work out what repos to act on
-my @repos;
-my $nochdir=0;
-foreach my $repo (@list) {
-       my $topdir=$repo->{topdir};
-       my $subdir=$repo->{subdir};
-
-       next if $subdir eq 'DEFAULT';
-       my $dir=($subdir =~/^\//) ? $subdir : $topdir.$subdir;
-       my $d=$directory;
-       $dir.="/" unless $dir=~/\/$/;
-       $d.="/" unless $d=~/\/$/;
-       next if $no_recurse && $d ne $dir;
-       next if $dir ne $d && $dir !~ /^\Q$d\E/;
-       push @repos, [$dir, $topdir, $subdir];
-}
-if (! @repos) {
-       # fallback to find a leaf repo
-       foreach my $repo (reverse @list) {
-               my $topdir=$repo->{topdir};
-               my $subdir=$repo->{subdir};
-               
-               next if $subdir eq 'DEFAULT';
-               my $dir=($subdir =~/^\//) ? $subdir : $topdir.$subdir;
-               my $d=$directory;
-               $dir.="/" unless $dir=~/\/$/;
-               $d.="/" unless $d=~/\/$/;
-               if ($d=~/^\Q$dir\E/) {
-                       push @repos, [$dir, $topdir, $subdir];
-                       last;
-               }
+       elsif ($action eq 'config') {
+               config(@ARGV);

        }
        }

-       $nochdir=1;
-}
-
-# run the action on each repository and print stats
-my (@ok, @failed, @skipped);
-if ($jobs > 1) {
-       mrs(@repos);
-}
-else {
-       foreach my $repo (@repos) {
-               record($repo, action($action, @$repo));
+       elsif ($action eq 'register') {
+               register(@ARGV);

        }
        }

-}
-if (! @ok && ! @failed && ! @skipped) {
-       die "mr $action: no repositories found to work on\n";
-}
-print "mr $action: finished (".join("; ",
-       showstat($#ok+1, "ok", "ok"),
-       showstat($#failed+1, "failed", "failed"),
-       showstat($#skipped+1, "skipped", "skipped"),
-).")\n";
-if ($stats) {
-       if (@skipped) {
-               print "mr $action: (skipped: ".join(" ", @skipped).")\n";
+
+       if ($jobs > 1) {
+               mrs($action, selectrepos());

        }
        }

-       if (@failed) {
-               print STDERR "mr $action: (failed: ".join(" ", @failed).")\n";
+       else {
+               foreach my $repo (selectrepos()) {
+                       record($repo, action($action, @$repo));
+               }

        }
        }

-}
-if (@failed) {
-       exit 1;
-}
-elsif (! @ok && @skipped) {
-       exit 1;
-}
-exit 0;
+} #}}}

 
 sub rcs_test { #{{{
        my ($action, $dir, $topdir, $subdir) = @_;
 
 sub rcs_test { #{{{
        my ($action, $dir, $topdir, $subdir) = @_;


@@ -639,7 +483,7 @@ sub action { #{{{
                }
        }
        
                }
        }
        

-       if (! $nochdir && ! chdir($dir)) {
+       if (! $no_chdir && ! chdir($dir)) {

                print STDERR "mr $action: failed to chdir to $dir: $!\n";
                return FAILED;
        }
                print STDERR "mr $action: failed to chdir to $dir: $!\n";
                return FAILED;
        }


@@ -655,7 +499,7 @@ sub action { #{{{
                }
        }
        else {
                }
        }
        else {

-               if (! $nochdir) {
+               if (! $no_chdir) {

                        print "mr $action: $topdir$subdir\n";
                }
                else {
                        print "mr $action: $topdir$subdir\n";
                }
                else {


@@ -699,6 +543,9 @@ sub action { #{{{
 
 # run actions on multiple repos, in parallel
 sub mrs { #{{{
 
 # run actions on multiple repos, in parallel
 sub mrs { #{{{

+       my $action=shift;
+       my @repos=@_;
+

        $| = 1;
        my @active;
        my @fhs;
        $| = 1;
        my @active;
        my @fhs;


@@ -787,6 +634,25 @@ sub record { #{{{
        }
 } #}}}
 
        }
 } #}}}
 

+sub showstats { #{{{
+       if (! @ok && ! @failed && ! @skipped) {
+               die "mr $action: no repositories found to work on\n";
+       }
+       print "mr $action: finished (".join("; ",
+               showstat($#ok+1, "ok", "ok"),
+               showstat($#failed+1, "failed", "failed"),
+               showstat($#skipped+1, "skipped", "skipped"),
+       ).")\n";
+       if ($stats) {
+               if (@skipped) {
+                       print "mr $action: (skipped: ".join(" ", @skipped).")\n";
+               }
+               if (@failed) {
+                       print STDERR "mr $action: (failed: ".join(" ", @failed).")\n";
+               }
+       }
+} #}}}
+

 sub showstat { #{{{
        my $count=shift;
        my $singular=shift;
 sub showstat { #{{{
        my $count=shift;
        my $singular=shift;


@@ -797,6 +663,64 @@ sub showstat { #{{{
        return;
 } #}}}
 
        return;
 } #}}}
 

+# an ordered list of repos
+sub repolist { #{{{
+       my @list;
+       foreach my $topdir (sort keys %config) {
+               foreach my $subdir (sort keys %{$config{$topdir}}) {
+                       push @list, {
+                               topdir => $topdir,
+                               subdir => $subdir,
+                               order => $config{$topdir}{$subdir}{order},
+                       };
+               }
+       }
+       return sort {
+               $a->{order}  <=> $b->{order}
+                            ||
+               $a->{topdir} cmp $b->{topdir}
+                            ||
+               $a->{subdir} cmp $b->{subdir}
+       } @list;
+} #}}}
+
+# figure out which repos to act on
+sub selectrepos { #{{{
+       my @repos;
+       foreach my $repo (repolist()) {
+               my $topdir=$repo->{topdir};
+               my $subdir=$repo->{subdir};
+
+               next if $subdir eq 'DEFAULT';
+               my $dir=($subdir =~/^\//) ? $subdir : $topdir.$subdir;
+               my $d=$directory;
+               $dir.="/" unless $dir=~/\/$/;
+               $d.="/" unless $d=~/\/$/;
+               next if $no_recurse && $d ne $dir;
+               next if $dir ne $d && $dir !~ /^\Q$d\E/;
+               push @repos, [$dir, $topdir, $subdir];
+       }
+       if (! @repos) {
+               # fallback to find a leaf repo
+               foreach my $repo (reverse repolist()) {
+                       my $topdir=$repo->{topdir};
+                       my $subdir=$repo->{subdir};
+                       
+                       next if $subdir eq 'DEFAULT';
+                       my $dir=($subdir =~/^\//) ? $subdir : $topdir.$subdir;
+                       my $d=$directory;
+                       $dir.="/" unless $dir=~/\/$/;
+                       $d.="/" unless $d=~/\/$/;
+                       if ($d=~/^\Q$dir\E/) {
+                               push @repos, [$dir, $topdir, $subdir];
+                               last;
+                       }
+               }
+               $no_chdir=1;
+       }
+       return @repos;
+} #}}}
+

 my %loaded;
 sub loadconfig { #{{{
        my $f=shift;
 my %loaded;
 sub loadconfig { #{{{
        my $f=shift;


@@ -1025,6 +949,123 @@ sub modifyconfig { #{{{
        print $out @out;
        close $out;     
 } #}}}
        print $out @out;
        close $out;     
 } #}}}

+       
+sub help { #{{{
+       exec($config{''}{DEFAULT}{$action}) || die "exec: $!";
+} #}}}
+       
+sub config { #{{{
+       if (@_ < 2) {
+               die "mr config: not enough parameters\n";
+       }
+       my $section=shift;
+       if ($section=~/^\//) {
+               # try to convert to a path relative to the config file
+               my ($dir)=$ENV{MR_CONFIG}=~/^(.*\/)[^\/]+$/;
+               $dir=abs_path($dir);
+               $dir.="/" unless $dir=~/\/$/;
+               if ($section=~/^\Q$dir\E(.*)/) {
+                       $section=$1;
+               }
+       }
+       my %changefields;
+       foreach (@_) {
+               if (/^([^=]+)=(.*)$/) {
+                       $changefields{$1}=$2;
+               }
+               else {
+                       my $found=0;
+                       foreach my $topdir (sort keys %config) {
+                               if (exists $config{$topdir}{$section} &&
+                                   exists $config{$topdir}{$section}{$_}) {
+                                       print $config{$topdir}{$section}{$_}."\n";
+                                       $found=1;
+                                       last if $section eq 'DEFAULT';
+                               }
+                       }
+                       if (! $found) {
+                               die "mr $action: $section $_ not set\n";
+                       }
+               }
+       }
+       modifyconfig($ENV{MR_CONFIG}, $section, %changefields) if %changefields;
+       exit 0;
+} #}}}
+
+sub register { #{{{
+       if (! $config_overridden) {
+               # Find the closest known mrconfig file to the current
+               # directory.
+               $directory.="/" unless $directory=~/\/$/;
+               foreach my $topdir (reverse sort keys %config) {
+                       next unless length $topdir;
+                       if ($directory=~/^\Q$topdir\E/) {
+                               $ENV{MR_CONFIG}=$configfiles{$topdir};
+                               $directory=$topdir;
+                               last;
+                       }
+               }
+       }
+       if (@ARGV) {
+               my $subdir=shift @ARGV;
+               if (! chdir($subdir)) {
+                       print STDERR "mr $action: failed to chdir to $subdir: $!\n";
+               }
+       }
+
+       $ENV{MR_REPO}=getcwd();
+       my $command=findcommand("register", $ENV{MR_REPO}, $directory, 'DEFAULT');
+       if (! defined $command) {
+               die "mr $action: unknown repository type\n";
+       }
+
+       $ENV{MR_REPO}=~s/.*\/(.*)/$1/;
+       $command="set -e; ".$config{$directory}{DEFAULT}{lib}."\n".
+               "my_action(){ $command\n }; my_action ".
+               join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
+       print "mr $action: running >>$command<<\n" if $verbose;
+       exec($command) || die "exec: $!";
+} #}}}
+
+# alias expansion and command stemming
+sub expandaction { #{{{
+       my $action=shift;
+       if (exists $alias{$action}) {
+               $action=$alias{$action};
+       }
+       if (! exists $knownactions{$action}) {
+               my @matches = grep { /^\Q$action\E/ }
+                       keys %knownactions, keys %alias;
+               if (@matches == 1) {
+                       $action=$matches[0];
+               }
+               elsif (@matches == 0) {
+                       die "mr: unknown action \"$action\" (known actions: ".
+                               join(", ", sort keys %knownactions).")\n";
+               }
+               else {
+                       die "mr: ambiguous action \"$action\" (matches: ".
+                               join(", ", @matches).")\n";
+               }
+       }
+       return $action;
+} #}}}
+
+sub getopts { #{{{
+       Getopt::Long::Configure("no_permute");
+       my $result=GetOptions(
+               "d|directory=s" => sub { $directory=abs_path($_[1]) },
+               "c|config=s" => sub { $ENV{MR_CONFIG}=$_[1]; $config_overridden=1 },
+               "v|verbose" => \$verbose,
+               "s|stats" => \$stats,
+               "n|no-recurse" => \$no_recurse,
+               "j|jobs=i" => \$jobs,
+       );
+       if (! $result || @ARGV < 1) {
+               die("Usage: mr [-d directory] action [params ...]\n".
+                   "(Use mr help for man page.)\n");
+       }
+} #}}}

 
 # Finally, some useful actions that mr knows about by default.
 # These can be overridden in ~/.mrconfig.
 
 # Finally, some useful actions that mr knows about by default.
 # These can be overridden in ~/.mrconfig.