From: Joey Hess Date: Fri, 26 Oct 2007 06:08:45 +0000 (-0400) Subject: arn't you glad you use functions? don't you wish everybody did? X-Git-Url: https://git.madduck.net/code/myrepos.git/commitdiff_plain/d5108dc849fc3a3b75e02e5913a3b917e800a3bc?ds=sidebyside;hp=--cc arn't you glad you use functions? don't you wish everybody did? --- d5108dc849fc3a3b75e02e5913a3b917e800a3bc diff --git a/mr b/mr index 494e89b..4de2872 100755 --- a/mr +++ b/mr @@ -356,126 +356,23 @@ 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"; - } -} +my $action=expandaction(shift @ARGV); # commands that do not operate on all repos if ($action eq 'help') { - exec($config{''}{DEFAULT}{$action}) || die "exec: $!"; + help(@ARGV); } elsif ($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}, $section, %changefields) if %changefields; - exit 0; + config(@ARGV); } elsif ($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}, - }; - } + register(@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) { +foreach my $repo (repolist()) { my $topdir=$repo->{topdir}; my $subdir=$repo->{subdir}; @@ -490,7 +387,7 @@ foreach my $repo (@list) { } if (! @repos) { # fallback to find a leaf repo - foreach my $repo (reverse @list) { + foreach my $repo (reverse repolist()) { my $topdir=$repo->{topdir}; my $subdir=$repo->{subdir}; @@ -797,6 +694,27 @@ sub showstat { #{{{ 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; +} #}}} + my %loaded; sub loadconfig { #{{{ my $f=shift; @@ -1025,6 +943,107 @@ sub modifyconfig { #{{{ 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; +} # Finally, some useful actions that mr knows about by default. # These can be overridden in ~/.mrconfig.