use strict;
use Getopt::Long;
use Cwd qw(getcwd abs_path);
-use POSIX "WNOHANG";
+
+# things that can happen when mr runs a command
use constant {
OK => 0,
FAILED => 1,
ABORT => 3,
};
-$SIG{INT}=sub {
- print STDERR "mr: interrupted\n";
- exit 2;
-};
-
-$ENV{MR_CONFIG}="$ENV{HOME}/.mrconfig";
+# configurables
my $config_overridden=0;
my $verbose=0;
my $stats=0;
my $no_recurse=0;
+my $no_chdir=0;
my $jobs=1;
+my $directory=getcwd();
+
+# globals :-(
my %config;
my %configfiles;
my %knownactions;
my %alias;
-my $directory=getcwd();
-
-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");
-
-}
-if (! defined $directory) {
- die("mr: failed to determine working directory\n");
-}
-
-# Make sure MR_CONFIG is an absolute path, but don't use abs_path since
-# the config file might be a symlink to elsewhere, and the directory it's
-# in is significant.
-if ($ENV{MR_CONFIG} !~ /^\//) {
- $ENV{MR_CONFIG}=getcwd()."/".$ENV{MR_CONFIG};
-}
-# Try to set MR_PATH to the path to the program.
-eval {
- use FindBin qw($Bin $Script);
- $ENV{MR_PATH}=$Bin."/".$Script;
-};
-
-loadconfig(\*DATA);
-loadconfig($ENV{MR_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";
- }
-}
-
-# commands that do not operate on all repos
-if ($action eq 'help') {
- exec($config{''}{DEFAULT}{$action}) || die "exec: $!";
-}
-elsif ($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}, $section, %changefields) if %changefields;
- exit 0;
-}
-elsif ($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: $!";
-}
-
-# 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},
- };
- }
-}
-@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;
- }
- }
- $nochdir=1;
-}
-
-# run the action on each repository and print stats
my (@ok, @failed, @skipped);
-if ($jobs > 1) {
- mrs(@repos);
-}
-else {
- foreach my $repo (@repos) {
- record($repo, action($action, @$repo));
- }
-}
-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 $action: (failed: ".join(" ", @failed).")\n";
- }
-}
-if (@failed) {
- exit 1;
-}
-elsif (! @ok && @skipped) {
- exit 1;
-}
-exit 0;
+
+main();
sub rcs_test { #{{{
my ($action, $dir, $topdir, $subdir) = @_;
}
}
- if (! $nochdir && ! chdir($dir)) {
+ if (! $no_chdir && ! chdir($dir)) {
print STDERR "mr $action: failed to chdir to $dir: $!\n";
return FAILED;
}
}
}
else {
- if (! $nochdir) {
+ if (! $no_chdir) {
print "mr $action: $topdir$subdir\n";
}
else {
# run actions on multiple repos, in parallel
sub mrs { #{{{
+ my $action=shift;
+ my @repos=@_;
+
$| = 1;
my @active;
my @fhs;
}
} #}}}
+sub showstats { #{{{
+ my $action=shift;
+ 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;
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 $ret=system($value);
if ($ret != 0) {
if (($? & 127) == 2) {
- print STDERR "mr $action: chain test interrupted\n";
+ print STDERR "mr: chain test interrupted\n";
exit 2;
}
elsif ($? & 127) {
- print STDERR "mr $action: chain test received signal ".($? & 127)."\n";
+ print STDERR "mr: chain test received signal ".($? & 127)."\n";
}
}
else {
close $out;
} #}}}
+sub dispatch { #{{{
+ my $action=shift;
+
+ # actions that do not operate on all repos
+ if ($action eq 'help') {
+ help(@ARGV);
+ }
+ elsif ($action eq 'config') {
+ config(@ARGV);
+ }
+ elsif ($action eq 'register') {
+ register(@ARGV);
+ }
+
+ if ($jobs > 1) {
+ mrs($action, selectrepos());
+ }
+ else {
+ foreach my $repo (selectrepos()) {
+ record($repo, action($action, @$repo));
+ }
+ }
+} #}}}
+
+sub help { #{{{
+ exec($config{''}{DEFAULT}{help}) || 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 config: $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 $directory=~/\/$/;
+ my $foundconfig=0;
+ foreach my $topdir (reverse sort keys %config) {
+ next unless length $topdir;
+ if ($directory=~/^\Q$topdir\E/) {
+ $ENV{MR_CONFIG}=$configfiles{$topdir};
+ $directory=$topdir;
+ $foundconfig=1;
+ last;
+ }
+ }
+ if (! $foundconfig) {
+ $directory=""; # no config file, use builtin
+ }
+ }
+ if (@ARGV) {
+ my $subdir=shift @ARGV;
+ if (! chdir($subdir)) {
+ print STDERR "mr register: failed to chdir to $subdir: $!\n";
+ }
+ }
+
+ $ENV{MR_REPO}=getcwd();
+ my $command=findcommand("register", $ENV{MR_REPO}, $directory, 'DEFAULT');
+ if (! defined $command) {
+ die "mr register: 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 register: 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");
+ }
+} #}}}
+
+sub init { #{{{
+ $SIG{INT}=sub {
+ print STDERR "mr: interrupted\n";
+ exit 2;
+ };
+
+ $ENV{MR_CONFIG}="$ENV{HOME}/.mrconfig";
+
+ # This can happen if it's run in a directory that was removed
+ # or other strangeness.
+ if (! defined $directory) {
+ die("mr: failed to determine working directory\n");
+ }
+ # Make sure MR_CONFIG is an absolute path, but don't use abs_path since
+ # the config file might be a symlink to elsewhere, and the directory it's
+ # in is significant.
+ if ($ENV{MR_CONFIG} !~ /^\//) {
+ $ENV{MR_CONFIG}=getcwd()."/".$ENV{MR_CONFIG};
+ }
+ # Try to set MR_PATH to the path to the program.
+ eval {
+ use FindBin qw($Bin $Script);
+ $ENV{MR_PATH}=$Bin."/".$Script;
+ };
+} #}}}
+
+sub main { #{{{
+ getopts();
+ init();
+ loadconfig(\*DATA);
+ loadconfig($ENV{MR_CONFIG});
+ #use Data::Dumper; print Dumper(\%config);
+
+ my $action=expandaction(shift @ARGV);
+ dispatch($action);
+ showstats($action);
+
+ if (@failed) {
+ exit 1;
+ }
+ elsif (! @ok && @skipped) {
+ exit 1;
+ }
+ else {
+ exit 0;
+ }
+} #}}}
+
# Finally, some useful actions that mr knows about by default.
# These can be overridden in ~/.mrconfig.
#DATA{{{
projects / code / myrepos.git / blobdiff