X-Git-Url: https://git.madduck.net/code/myrepos.git/blobdiff_plain/99a9fd6c2b74cb771d07996f6f027d007d50239a..4e609667a9b2545726b8076da2f4504fa0d9c9b1:/mr?ds=inline diff --git a/mr b/mr index 6a525cd..3c998f3 100755 --- a/mr +++ b/mr @@ -14,13 +14,16 @@ B [options] status B [options] commit [-m "message"] +B [options] diff + B [options] action [params ...] =head1 DESCRIPTION B is a Multiple Repository management tool. It allows you to register a set of repositories in a .mrconfig file, and then checkout, update, or -perform other actions on all of the repositories at once. +perform other actions on the repositories as if they were one big +respository. Any mix of revision control systems can be used with B, and you can define arbitrary actions for commands like "update", "checkout", or "commit". @@ -30,35 +33,54 @@ control system: =over 4 -=item checkout +=item checkout (or co) -Checks out all the registered repositories that are not already checked -out. +Checks out any repositories that are not already checked out. =item update -Updates each registered repository from its configured remote repository. +Updates each repository from its configured remote repository. If a repository isn't checked out yet, it will first check it out. =item status -Displays a status report for each registered repository, showing what +Displays a status report for each repository, showing what uncommitted changes are present in the repository. -=item commit +=item commit (or ci) -Commits changes to each registered repository. (By default, changes -are pushed to the remote repository too, when using distributed systems -like git.) +Commits changes to each repository. (By default, changes are pushed to the +remote repository too, when using distributed systems like git.) The optional -m parameter allows specifying a commit message. +=item diff + +Show a diff of uncommitted changes. + +=item list + +List the repositories that mr will act on. + +=item help + +Displays this help. + =back Actions can be abbreviated to any unambiguous subsctring, so "mr st" is equivilant to "mr status". +B operates on all registered repsitories at or below your working +directory. Or, if you are in a subdirectory of a repository that contains +no other registered repositories, it will act on only that repository. + +Additional parameters can be passed to other commands than "commit", they +will be passed on unchanged to the underlying revision control system. +This is mostly useful if the repositories mr will act on all use the same +revision control system. + =head1 OPTIONS =over 4 @@ -66,8 +88,7 @@ Actions can be abbreviated to any unambiguous subsctring, so =item -d directory Specifies the topmost directory that B should work in. The default is -the current working directory. B will operate on all registered -repositories at or under the directory. +the current working directory. =item -c mrconfig @@ -97,21 +118,29 @@ directory that contains the .mrconfig file. Within a section, each parameter defines a shell command to run to handle a given action. Note that these shell commands are run in a "set -e" shell environment, where any additional parameters you pass are available in -"$@". B cds into the repository directory before running -a command, except for the "checkout" command, which is run in the parent -of the repository directory, since the repository isn't checked out yet. +"$@". The "checkout" command is run in the parent of the repository +directory, since the repository isn't checked out yet. All other commands +are run inside the repository, though not necessarily at the top of it. +The "MR_REPO" environment variable is set to the path to the top of the +repository. -There are two special parameters. If the "skip" parameter is set and +There are three special parameters. If the "skip" parameter is set and its command returns nonzero, then B will skip acting on that repository. If the "chain" parameter is set and its command returns nonzero, then B will try to load a .mrconfig file from the root of the repository. (You -should avoid chaining from repositories with untrusted committers.) +should avoid chaining from repositories with untrusted committers.) The +"lib" parameter can specify some shell code that will be run before each +command, this can be a useful way to define shell functions other commands +can use. The "default" section allows setting up default handlers for each action, and is overridden by the contents of other sections. mr contains default handlers for the "update", "status", and "commit" actions, so normally you only need to specify what to do for "checkout". +The "alias" section allows adding aliases for commands. Each parameter +is an alias, and its value is the command to run. + For example: [src] @@ -119,10 +148,19 @@ For example: chain = true [src/linux-2.6] - # only check this out on kodama - skip = test $(hostname) != kodama + skip = small checkout = git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git + [default] + lib = \ + small() { + case "$(hostname)" in; \ + slug|snail); \ + return 0; ;; ; \ + esac; \ + return 1; \ + } + =head1 AUTHOR Copyright 2007 Joey Hess @@ -143,6 +181,7 @@ my $config="$ENV{HOME}/.mrconfig"; my $verbose=0; my %config; my %knownactions; +my %alias; Getopt::Long::Configure("no_permute"); my $result=GetOptions( @@ -151,7 +190,9 @@ my $result=GetOptions( "v" => \$verbose, ); if (! $result || @ARGV < 1) { - die("Usage: mr [-d directory] action [params ...]\n"); + die("Usage: mr [-d directory] action [params ...]\n". + "(Use mr help for man page.)\n"); + } loadconfig(\*DATA); @@ -159,78 +200,110 @@ loadconfig($config); #use Data::Dumper; #print Dumper(\%config); +eval { + use FindBin qw($Bin $Script); + $ENV{MR_PATH}=$Bin."/".$Script; +}; + +# alias expansion and command stemming my $action=shift @ARGV; -if (! $knownactions{$action}) { - my @matches = grep { /^\Q$action\E/ } keys %knownactions; - if (@matches == 1) { - $action=$matches[0]; +if (! exists $knownactions{$action}) { + if (exists $alias{$action}) { + $action=$alias{$action}; } else { - die "mr: ambiguous action \"$action\" (matches @matches)\n"; + my @matches = grep { /^\Q$action\E/ } + keys %knownactions, keys %alias; + if (@matches == 1) { + $action=$matches[0]; + } + else { + die "mr: ambiguous action \"$action\" (matches @matches)\n"; + } } } -my (@failed, @successful, @skipped); -my $first=1; +if ($action eq 'help') { + exec($config{''}{default}{help}); +} + +# work out what repos to act on +my @repos; +my $nochdir=0; foreach my $topdir (sort keys %config) { foreach my $subdir (sort keys %{$config{$topdir}}) { next if $subdir eq 'default'; - my $dir=$topdir.$subdir; - - if (defined $directory && - $dir ne $directory && - $dir !~ /^\Q$directory\E\//) { - print "mr $action: $dir skipped per -d parameter ($directory)\n" if $verbose; - push @skipped, $dir; - next; - } - - print "\n" unless $first; - $first=0; - - if (exists $config{$topdir}{$subdir}{skip}) { - my $ret=system($config{$topdir}{$subdir}{skip}); - if ($ret >> 8 == 0) { - print "mr $action: $dir skipped per config file\n" if $verbose; - push @skipped, $dir; - next; + next if $dir ne $directory && $dir !~ /^\Q$directory\E\//; + push @repos, [$dir, $topdir, $subdir]; + } +} +if (! @repos) { + # fallback to find a leaf repo + LEAF: foreach my $topdir (reverse sort keys %config) { + foreach my $subdir (reverse sort keys %{$config{$topdir}}) { + next if $subdir eq 'default'; + my $dir=$topdir.$subdir; + my $d=$directory; + $dir.="/" unless $dir=~/\/$/; + $d.="/" unless $d=~/\/$/; + if ($d=~/^\Q$dir\E/) { + push @repos, [$dir, $topdir, $subdir]; + last LEAF; } } - - action($action, $dir, $topdir, $subdir); - } + $nochdir=1; +} + +my (@failed, @successful, @skipped); +foreach my $repo (@repos) { + action($action, @$repo); } sub action { my ($action, $dir, $topdir, $subdir) = @_; + + my $lib= exists $config{$topdir}{$subdir}{lib} ? + $config{$topdir}{$subdir}{lib} : ""; if ($action eq 'checkout') { if (-d $dir) { - print "mr $action: $dir already exists, skipping checkout\n"; + print "mr $action: $dir already exists, skipping checkout\n" if $verbose; push @skipped, $dir; return; } $dir=~s/^(.*)\/[^\/]+\/?$/$1/; } - if ($action eq 'update') { + elsif ($action eq 'update') { if (! -d $dir) { return action("checkout", $dir, $topdir, $subdir); } } - - if (! chdir($dir)) { + + $ENV{MR_REPO}=$dir; + if (! $nochdir && ! chdir($dir)) { print STDERR "mr $action: failed to chdir to $dir: $!\n"; push @skipped, $dir; } - elsif (! exists $config{$topdir}{$subdir}{$action}) { + + if (exists $config{$topdir}{$subdir}{skip}) { + my $ret=system($lib.$config{$topdir}{$subdir}{skip}); + if ($ret >> 8 == 0) { + print "mr $action: $dir skipped per config file\n" if $verbose; + push @skipped, $dir; + return; + } + } + + if (! exists $config{$topdir}{$subdir}{$action}) { print STDERR "mr $action: no defined $action command for $topdir$subdir, skipping\n"; push @skipped, $dir; } else { - print "mr $action: in $dir\n"; - my $command="set -e; my_action(){ $config{$topdir}{$subdir}{$action} ; }; my_action ". + print "mr $action: $dir\n"; + my $command="set -e; ".$lib. + "my_action(){ $config{$topdir}{$subdir}{$action} ; }; my_action ". join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV); my $ret=system($command); if ($ret != 0) { @@ -246,6 +319,8 @@ sub action { else { push @successful, $dir; } + + print "\n"; } } @@ -258,12 +333,21 @@ sub showstat { } return; } -print "\nmr $action: finished (".join("; ", +if (! @successful && ! @failed && ! @skipped) { + die "mr $action: no repositories found to work on\n"; +} +print "mr $action: finished (".join("; ", showstat($#successful+1, "successful", "successful"), showstat($#failed+1, "failed", "failed"), showstat($#skipped+1, "skipped", "skipped"), ).")\n"; -exit @failed ? 1 : 0; +if (@failed) { + exit 1; +} +elsif (! @successful && @skipped) { + exit 1; +} +exit 0; my %loaded; sub loadconfig { @@ -324,23 +408,31 @@ sub loadconfig { if (! defined $section) { die "$f line $.: parameter ($parameter) not in section\n"; } - if (! exists $config{$dir}{$section} && - exists $config{$dir}{default}) { + if ($section ne 'alias' && + ! exists $config{$dir}{$section} && + exists $config{$dir}{default}) { # copy in defaults $config{$dir}{$section}={ %{$config{$dir}{default}} }; } - $config{$dir}{$section}{$parameter}=$value; - $knownactions{$parameter}=1; - - if ($parameter eq 'chain' && - length $dir && $section ne "default" && - -e $dir.$section."/.mrconfig" && - system($value) >> 8 == 0) { - push @toload, $dir.$section."/.mrconfig"; - } + if ($section eq 'alias') { + $alias{$parameter}=$value; + } + elsif ($parameter eq 'lib') { + $config{$dir}{$section}{lib}.=$value." ; "; + } + else { + $config{$dir}{$section}{$parameter}=$value; + $knownactions{$parameter}=1; + if ($parameter eq 'chain' && + length $dir && $section ne "default" && + -e $dir.$section."/.mrconfig" && + system($value) >> 8 == 0) { + push @toload, $dir.$section."/.mrconfig"; + } + } } else { - die "$f line $.: parse error\n"; + die "$f line $.: parse error\n"; } } close $in; @@ -350,35 +442,54 @@ sub loadconfig { } } -__DATA__ -# Some useful actions that mr knows about by default. +# Finally, some useful actions that mr knows about by default. # These can be overridden in ~/.mrconfig. +__DATA__ +[alias] + co = checkout + ci = commit [default] +lib = \ + error() { \ + echo "mr: $@" >&2; \ + exit 1; \ + } update = \ - if [ -d .svn ]; then \ - svn update; \ - elif [ -d .git ]; then \ - git pull origin master; \ + if [ -d "$MR_REPO"/.svn ]; then \ + svn update "$@"; \ + elif [ -d "$MR_REPO"/.git ]; then \ + git pull origin master "$@"; \ else \ - echo "mr update: unknown repo type"; \ - exit 1; \ + error "unknown repo type"; \ fi status = \ - if [ -d .svn ]; then \ - svn status; \ - elif [ -d .git ]; then \ - git status || true; \ + if [ -d "$MR_REPO"/.svn ]; then \ + svn status "$@"; \ + elif [ -d "$MR_REPO"/.git ]; then \ + git status "$@" || true; \ else \ - echo "mr status: unknown repo type"; \ - exit 1; \ + error "unknown repo type"; \ fi commit = \ - if [ -d .svn ]; then \ + if [ -d "$MR_REPO"/.svn ]; then \ svn commit "$@"; \ - elif [ -d .git ]; then \ - echo git commit -a "$@" && echo git push --all \ - git commit -a "$@" && git push --all \ + elif [ -d "$MR_REPO"/.git ]; then \ + git commit -a "$@" && git push --all; \ else \ - echo "mr commit: unknown repo type"; \ - exit 1; \ + error "unknown repo type"; \ + fi +diff = \ + if [ -d "$MR_REPO"/.svn ]; then \ + svn diff "$@"; \ + elif [ -d "$MR_REPO"/.git ]; then \ + git diff "$@"; \ + else \ + error "unknown repo type"; \ fi +list = true +help = \ + if [ ! -e "$MR_PATH" ]; then \ + error "cannot find program path";\ + fi; \ + (pod2man -c mr "$MR_PATH" | man -l -) || \ + error "pod2man or man failed"