X-Git-Url: https://git.madduck.net/code/myrepos.git/blobdiff_plain/d5108dc849fc3a3b75e02e5913a3b917e800a3bc..fd045fb534f7e0cb68f8ffa65111de086a1c37ae:/mr

diff --git a/mr b/mr
index 4de2872..bc73d40 100755
--- a/mr
+++ b/mr
@@ -296,7 +296,8 @@ use warnings;
 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,
@@ -304,139 +305,47 @@ use constant {
 	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();
+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");
-
-}
-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;
-};
+main();
 
-loadconfig(\*DATA);
-loadconfig($ENV{MR_CONFIG});
-#use Data::Dumper;
-#print Dumper(\%config);
-
-my $action=expandaction(shift @ARGV);
-
-# commands that do not operate on all repos
-if ($action eq 'help') {
-	help(@ARGV);
-}
-elsif ($action eq 'config') {
-	config(@ARGV);
-}
-elsif ($action eq 'register') {
-	register(@ARGV);
-}
-
-# work out what repos to act on
-my @repos;
-my $nochdir=0;
-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;
-		}
-	}
-	$nochdir=1;
-}
+sub dispatch { #{{{
+	my $action=shift;
 
-# 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));
+	# actions that do not operate on all repos
+	if ($action eq 'help') {
+		help(@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 $action: (skipped: ".join(" ", @skipped).")\n";
+	elsif ($action eq 'config') {
+		config(@ARGV);
 	}
-	if (@failed) {
-		print STDERR "mr $action: (failed: ".join(" ", @failed).")\n";
+	elsif ($action eq 'register') {
+		register(@ARGV);
 	}
-}
-if (@failed) {
-	exit 1;
-}
-elsif (! @ok && @skipped) {
-	exit 1;
-}
-exit 0;
+
+	if ($jobs > 1) {
+		mrs($action, selectrepos());
+	}
+	else {
+		foreach my $repo (selectrepos()) {
+			record($repo, action($action, @$repo));
+		}
+	}
+} #}}}
 
 sub rcs_test { #{{{
 	my ($action, $dir, $topdir, $subdir) = @_;
@@ -536,7 +445,7 @@ sub action { #{{{
 		}
 	}
 	
-	if (! $nochdir && ! chdir($dir)) {
+	if (! $no_chdir && ! chdir($dir)) {
 		print STDERR "mr $action: failed to chdir to $dir: $!\n";
 		return FAILED;
 	}
@@ -552,7 +461,7 @@ sub action { #{{{
 		}
 	}
 	else {
-		if (! $nochdir) {
+		if (! $no_chdir) {
 			print "mr $action: $topdir$subdir\n";
 		}
 		else {
@@ -596,6 +505,9 @@ sub action { #{{{
 
 # run actions on multiple repos, in parallel
 sub mrs { #{{{
+	my $action=shift;
+	my @repos=@_;
+
 	$| = 1;
 	my @active;
 	my @fhs;
@@ -684,6 +596,26 @@ sub record { #{{{
 	}
 } #}}}
 
+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;
@@ -715,6 +647,43 @@ sub repolist { #{{{
 	} @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;
@@ -824,11 +793,11 @@ sub loadconfig { #{{{
 					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 {
@@ -945,7 +914,7 @@ sub modifyconfig { #{{{
 } #}}}
 	
 sub help { #{{{
-	exec($config{''}{DEFAULT}{$action}) || die "exec: $!";
+	exec($config{''}{DEFAULT}{help}) || die "exec: $!";
 } #}}}
 	
 sub config { #{{{
@@ -978,7 +947,7 @@ sub config { #{{{
 				}
 			}
 			if (! $found) {
-				die "mr $action: $section $_ not set\n";
+				die "mr config: $section $_ not set\n";
 			}
 		}
 	}
@@ -1003,21 +972,21 @@ sub register { #{{{
 	if (@ARGV) {
 		my $subdir=shift @ARGV;
 		if (! chdir($subdir)) {
-			print STDERR "mr $action: failed to chdir to $subdir: $!\n";
+			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 $action: unknown repository type\n";
+		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 $action: running >>$command<<\n" if $verbose;
+	print "mr register: running >>$command<<\n" if $verbose;
 	exec($command) || die "exec: $!";
 } #}}}
 
@@ -1043,7 +1012,71 @@ sub expandaction { #{{{
 		}
 	}
 	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.