X-Git-Url: https://git.madduck.net/code/myrepos.git/blobdiff_plain/3462c6fcaa77e2fe0d2c69b6ab62533be631506d..db86586c3403588f37079cf1401800e3ff852b62:/mr?ds=inline

diff --git a/mr b/mr
index 8108762..6406978 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,
@@ -304,80 +305,24 @@ 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 $directory=getcwd();
+$ENV{MR_CONFIG}="$ENV{HOME}/.mrconfig";
+
+# globals :-(
 my %config;
 my %configfiles;
 my %knownactions;
 my %alias;
-my $directory=getcwd();
-
-getopts();
-
-# This can happen if it's run in a directory that was removed
-# or other strangeness.
-if (! defined $directory) {
-	die("mr: failed to determine working directory\n");
-}
-# Make sure MR_CONFIG is an absolute path, but don't use abs_path since
-# the config file might be a symlink to elsewhere, and the directory it's
-# in is significant.
-if ($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);
-
-my $action=expandaction(shift @ARGV);
-
-# actions that do not operate on all repos
-if ($action eq 'help') {
-	help(@ARGV);
-}
-elsif ($action eq 'config') {
-	config(@ARGV);
-}
-elsif ($action eq 'register') {
-	register(@ARGV);
-}
-
 my (@ok, @failed, @skipped);
-if ($jobs > 1) {
-	mrs(selectrepos());
-}
-else {
-	foreach my $repo (selectrepos()) {
-		record($repo, action($action, @$repo));
-	}
-}
-
-showstats();
 
-if (@failed) {
-	exit 1;
-}
-elsif (! @ok && @skipped) {
-	exit 1;
-}
-exit 0;
+main();
 
 sub rcs_test { #{{{
 	my ($action, $dir, $topdir, $subdir) = @_;
@@ -399,6 +344,11 @@ sub rcs_test { #{{{
 	print "mr $action: running rcs test >>$test<<\n" if $verbose;
 	my $rcs=`$test`;
 	chomp $rcs;
+	if ($rcs=~/\n/s) {
+		$rcs=~s/\n/, /g;
+		print STDERR "mr $action: found multiple possible repository types ($rcs) for $topdir$subdir\n";
+		return undef;
+	}
 	if (! length $rcs) {
 		return undef;
 	}
@@ -408,12 +358,16 @@ sub rcs_test { #{{{
 } #}}}
 	
 sub findcommand { #{{{
-	my ($action, $dir, $topdir, $subdir) = @_;
+	my ($action, $dir, $topdir, $subdir, $is_checkout) = @_;
 	
 	if (exists $config{$topdir}{$subdir}{$action}) {
 		return $config{$topdir}{$subdir}{$action};
 	}
 
+	if ($is_checkout) {
+		return undef;
+	}
+
 	my $rcs=rcs_test(@_);
 
 	if (defined $rcs && 
@@ -431,19 +385,15 @@ sub action { #{{{
 	$ENV{MR_CONFIG}=$configfiles{$topdir};
 	my $lib=exists $config{$topdir}{$subdir}{lib} ?
 	               $config{$topdir}{$subdir}{lib}."\n" : "";
+	my $is_checkout=($action eq 'checkout');
 
-	if ($action eq 'checkout') {
+	if ($is_checkout) {
 		if (-d $dir) {
 			print "mr $action: $dir already exists, skipping checkout\n" if $verbose;
 			return SKIPPED;
 		}
 
 		$dir=~s/^(.*)\/[^\/]+\/?$/$1/;
-
-		if (! -d $dir) {
-			print "mr $action: creating parent directory $dir\n" if $verbose;
-			system("mkdir", "-p", $dir);
-		}
 	}
 	elsif ($action =~ /update/) {
 		if (! -d $dir) {
@@ -453,8 +403,8 @@ sub action { #{{{
 
 	$ENV{MR_REPO}=$dir;
 
-	my $skiptest=findcommand("skip", $dir, $topdir, $subdir);
-	my $command=findcommand($action, $dir, $topdir, $subdir);
+	my $skiptest=findcommand("skip", $dir, $topdir, $subdir, $is_checkout);
+	my $command=findcommand($action, $dir, $topdir, $subdir, $is_checkout);
 
 	if (defined $skiptest) {
 		my $test="set -e;".$lib.
@@ -476,7 +426,12 @@ sub action { #{{{
 			return SKIPPED;
 		}
 	}
-	
+
+	if ($is_checkout && ! -d $dir) {
+		print "mr $action: creating parent directory $dir\n" if $verbose;
+		system("mkdir", "-p", $dir);
+	}
+
 	if (! $no_chdir && ! chdir($dir)) {
 		print STDERR "mr $action: failed to chdir to $dir: $!\n";
 		return FAILED;
@@ -537,6 +492,7 @@ sub action { #{{{
 
 # run actions on multiple repos, in parallel
 sub mrs { #{{{
+	my $action=shift;
 	my @repos=@_;
 
 	$| = 1;
@@ -628,6 +584,7 @@ sub record { #{{{
 } #}}}
 
 sub showstats { #{{{
+	my $action=shift;
 	if (! @ok && ! @failed && ! @skipped) {
 		die "mr $action: no repositories found to work on\n";
 	}
@@ -823,11 +780,11 @@ 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 {
@@ -942,9 +899,33 @@ sub modifyconfig { #{{{
 	print $out @out;
 	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($config{''}{DEFAULT}{$action}) || die "exec: $!";
+	exec($config{''}{DEFAULT}{help}) || die "exec: $!";
 } #}}}
 	
 sub config { #{{{
@@ -977,7 +958,7 @@ sub config { #{{{
 				}
 			}
 			if (! $found) {
-				die "mr $action: $section $_ not set\n";
+				die "mr config: $section $_ not set\n";
 			}
 		}
 	}
@@ -990,33 +971,38 @@ sub register { #{{{
 		# 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 $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');
+	my $command=findcommand("register", $ENV{MR_REPO}, $directory, 'DEFAULT', 0);
 	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: $!";
 } #}}}
 
@@ -1045,7 +1031,7 @@ sub expandaction { #{{{
 } #}}}
 
 sub getopts { #{{{
-	Getopt::Long::Configure("no_permute");
+	Getopt::Long::Configure("bundling", "no_permute");
 	my $result=GetOptions(
 		"d|directory=s" => sub { $directory=abs_path($_[1]) },
 		"c|config=s" => sub { $ENV{MR_CONFIG}=$_[1]; $config_overridden=1 },
@@ -1060,6 +1046,52 @@ sub getopts { #{{{
 	}
 } #}}}
 
+sub init { #{{{
+	$SIG{INT}=sub {
+		print STDERR "mr: interrupted\n";
+		exit 2;
+	};
+	
+	# 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($action);
+
+	if (@failed) {
+		exit 1;
+	}
+	elsif (! @ok && @skipped) {
+		exit 1;
+	}
+	else {
+		exit 0;
+	}
+} #}}}
+
 # Finally, some useful actions that mr knows about by default.
 # These can be overridden in ~/.mrconfig.
 #DATA{{{
@@ -1113,7 +1145,7 @@ darcs_test = test -d "$MR_REPO"/_darcs
 git_bare_test =
 	test -d "$MR_REPO"/refs/heads && test -d "$MR_REPO"/refs/tags &&
 	test -d "$MR_REPO"/objects && test -f "$MR_REPO"/config &&
-	test "$(GIT_CONFIG="$MR_REPO"/config git-config --get core.bare)" = true
+	test "$(GIT_CONFIG="$MR_REPO"/config git config --get core.bare)" = true
 
 svn_update = svn update "$@"
 git_update = if [ "$@" ]; then git pull "$@"; else git pull -t origin master; fi
@@ -1159,7 +1191,7 @@ svn_register =
 	echo "Registering svn url: $url in $MR_CONFIG"
 	mr -c "$MR_CONFIG" config "`pwd`" checkout="svn co '$url' '$MR_REPO'"
 git_register = 
-	url="$(LANG=C git-config --get remote.origin.url)" || true
+	url="$(LANG=C git config --get remote.origin.url)" || true
 	if [ -z "$url" ]; then
 		error "cannot determine git url"
 	fi
@@ -1189,7 +1221,7 @@ darcs_register =
 	echo "Registering darcs repository $url in $MR_CONFIG"
 	mr -c "$MR_CONFIG" config "`pwd`" checkout="darcs get '$url'p '$MR_REPO'"
 git_bare_register = 
-	url="$(LANG=C GIT_CONFIG=config git-config --get remote.origin.url)" || true
+	url="$(LANG=C GIT_CONFIG=config git config --get remote.origin.url)" || true
 	if [ -z "$url" ]; then
 		error "cannot determine git url"
 	fi