implemented mr register

[code/myrepos.git] / mr

diff --git a/mr b/mr
index 313169037fce7234a32f2b509b0fd8398fab0676..c6d74e9cf11daf8e63a5c681d8b648778b7f0bcc 100755 (executable)
--- a/mr
+++ b/mr
@@ -18,6 +18,10 @@ B<mr> [options] diff
 
 B<mr> [options] log
 
 
 B<mr> [options] log
 

+B<mr> [options] register repository
+
+B<mr> [options] config section [parameter=[value] ...]
+

 B<mr> [options] action [params ...]
 
 =head1 DESCRIPTION
 B<mr> [options] action [params ...]
 
 =head1 DESCRIPTION


@@ -74,6 +78,21 @@ Show the commit log.
 
 List the repositories that mr will act on.
 
 
 List the repositories that mr will act on.
 

+=item register
+
+The next parameter is the directory of an existing repository. The
+repository will be registered in the mrconfig file.
+
+=item config
+
+Modifies the mrconfig file. The next parameter is the name of the section
+to add or modify, and it is followed by one or more instances of
+"parameter=value". Use "parameter=" to remove a parameter. 
+
+For example, to register a new svn repository in src/foo:
+
+  mr config src/foo checkout="svn co svn://example.com/foo/trunk"
+

 =item help
 
 Displays this help.
 =item help
 
 Displays this help.


@@ -127,14 +146,16 @@ Here is an example .mrconfig file:
 The .mrconfig file uses a variant of the INI file format. Lines starting with
 "#" are comments. Lines ending with "\" are continued on to the next line.
 
 The .mrconfig file uses a variant of the INI file format. Lines starting with
 "#" are comments. Lines ending with "\" are continued on to the next line.
 

-The "default" section allows setting default values for the sections that
+The "DEFAULT" section allows setting default values for the sections that

 come after it.
 
 come after it.
 

-The "alias" section allows adding aliases for actions. Each parameter
+The "ALIAS" section allows adding aliases for actions. Each parameter

 is an alias, and its value is the action to use.
 
 is an alias, and its value is the action to use.
 

-All other sections specify where each repository is located, relative to the
-directory that contains the .mrconfig file.
+All other sections add repositories. The section header specifies the
+directory where the repository is located. This is relative to the directory
+that contains the mrconfig file, but you can also choose to use absolute
+paths.

 
 Within a section, each parameter defines a shell command to run to handle a
 given action. mr contains default handlers for the "update", "status", and
 
 Within a section, each parameter defines a shell command to run to handle a
 given action. mr contains default handlers for the "update", "status", and


@@ -164,6 +185,14 @@ If the "chain" parameter is set and its command returns nonzero, then B<mr>
 will try to load a .mrconfig file from the root of the repository. (You
 should avoid chaining from repositories with untrusted committers.)
 
 will try to load a .mrconfig file from the root of the repository. (You
 should avoid chaining from repositories with untrusted committers.)
 

+=item deleted
+
+If the "deleted" parameter is set and its command returns nonzero, then
+B<mr> will treat the repository as deleted. It won't ever actually delete
+the repository, but it will warn if it sees the repsoitory's directory.
+This is useful when one mrconfig file is shared amoung multiple machines,
+to keep track of and remember to delete old repositories.
+

 =item lib
 
 The "lib" parameter can specify some shell code that will be run before each
 =item lib
 
 The "lib" parameter can specify some shell code that will be run before each


@@ -238,7 +267,38 @@ if (! exists $knownactions{$action}) {
 }
 
 if ($action eq 'help') {
 }
 
 if ($action eq 'help') {

-       exec($config{''}{default}{help});
+       exec($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 $config's dir
+               my ($dir)=$config=~/^(.*\/)[^\/]+$/;
+               if ($section=~/^\Q$dir\E(.*)/) {
+                       $section=$1;
+               }
+       }
+       my %fields;
+       foreach (@ARGV) {
+               if (/^([^=]+)=(.*)$/) {
+                       $fields{$1}=$2;
+               }
+               else {
+                       die "mr config: expected parameter=value, not \"$_\"\n";
+               }
+       }
+       modifyconfig($config, $section, %fields);
+       exit 0;
+}
+elsif ($action eq 'register') {
+       my $command="set -e; ".$config{''}{DEFAULT}{lib}."\n".
+               "my_action(){ $config{''}{DEFAULT}{$action}\n }; my_action ".
+               join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
+       print STDERR "mr $action: running >>$command<<\n" if $verbose;
+       exec($command) || die "exec: $!";

 }
 
 # work out what repos to act on
 }
 
 # work out what repos to act on


@@ -246,9 +306,12 @@ my @repos;
 my $nochdir=0;
 foreach my $topdir (sort keys %config) {
        foreach my $subdir (sort keys %{$config{$topdir}}) {
 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;
-               next if $dir ne $directory && $dir !~ /^\Q$directory\E\//;
+               next if $subdir eq 'DEFAULT';
+               my $dir=($subdir =~/^\//) ? $subdir : $topdir.$subdir;
+               my $d=$directory;
+               $dir.="/" unless $dir=~/\/$/;
+               $d.="/" unless $d=~/\/$/;
+               next if $dir ne $directory && $dir !~ /^\Q$directory\E/;

                push @repos, [$dir, $topdir, $subdir];
        }
 }
                push @repos, [$dir, $topdir, $subdir];
        }
 }


@@ -256,8 +319,8 @@ if (! @repos) {
        # fallback to find a leaf repo
        LEAF: foreach my $topdir (reverse sort keys %config) {
                foreach my $subdir (reverse sort keys %{$config{$topdir}}) {
        # 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;
+                       next if $subdir eq 'DEFAULT';
+                       my $dir=($subdir =~/^\//) ? $subdir : $topdir.$subdir;

                        my $d=$directory;
                        $dir.="/" unless $dir=~/\/$/;
                        $d.="/" unless $d=~/\/$/;
                        my $d=$directory;
                        $dir.="/" unless $dir=~/\/$/;
                        $d.="/" unless $d=~/\/$/;


@@ -279,7 +342,23 @@ sub action {
        my ($action, $dir, $topdir, $subdir) = @_;
        
        my $lib= exists $config{$topdir}{$subdir}{lib} ?
        my ($action, $dir, $topdir, $subdir) = @_;
        
        my $lib= exists $config{$topdir}{$subdir}{lib} ?

-                       $config{$topdir}{$subdir}{lib} : "";
+                       $config{$topdir}{$subdir}{lib}."\n" : "";
+
+       if (exists $config{$topdir}{$subdir}{deleted}) {
+               if (! -d $dir) {
+                       next;
+               }
+               else {
+                       my $test="set -e;".$lib.$config{$topdir}{$subdir}{deleted};
+                       print "mr $action: running deleted test >>$test<<\n" if $verbose;
+                       my $ret=system($test);
+                       if ($ret >> 8 == 0) {
+                               print STDERR "mr error: $dir should be deleted yet still exists\n\n";
+                               push @failed, $dir;
+                               return;
+                       }
+               }
+       }

 
        if ($action eq 'checkout') {
                if (-d $dir) {
 
        if ($action eq 'checkout') {
                if (-d $dir) {


@@ -299,7 +378,7 @@ sub action {
 
        if (exists $config{$topdir}{$subdir}{skip}) {
                my $test="set -e;".$lib.$config{$topdir}{$subdir}{skip};
 
        if (exists $config{$topdir}{$subdir}{skip}) {
                my $test="set -e;".$lib.$config{$topdir}{$subdir}{skip};

-               print "mr $action: running skip test $test\n" if $verbose;
+               print "mr $action: running skip test >>$test<<\n" if $verbose;

                my $ret=system($test);
                if ($ret >> 8 == 0) {
                        print "mr $action: $dir skipped per config file\n" if $verbose;
                my $ret=system($test);
                if ($ret >> 8 == 0) {
                        print "mr $action: $dir skipped per config file\n" if $verbose;


@@ -318,19 +397,19 @@ sub action {
        }
        else {
                if (! $nochdir) {
        }
        else {
                if (! $nochdir) {

-                       print "mr $action: $dir\n";
+                       print "mr $action: $topdir$subdir\n";

                }
                else {
                }
                else {

-                       print "mr $action: $dir (in subdir $directory)\n";
+                       print "mr $action: $topdir$subdir (in subdir $directory)\n";

                }
                my $command="set -e; ".$lib.
                }
                my $command="set -e; ".$lib.

-                       "my_action(){ $config{$topdir}{$subdir}{$action} ; }; my_action ".
+                       "my_action(){ $config{$topdir}{$subdir}{$action}\n }; my_action ".

                        join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
                        join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);

-               print STDERR "mr $action: running $command\n" if $verbose;
+               print STDERR "mr $action: running >>$command<<\n" if $verbose;

                my $ret=system($command);
                if ($ret != 0) {
                        print STDERR "mr $action: failed ($ret)\n" if $verbose;
                my $ret=system($command);
                if ($ret != 0) {
                        print STDERR "mr $action: failed ($ret)\n" if $verbose;

-                       push @failed, $topdir.$subdir;
+                       push @failed, $dir;

                        if ($ret >> 8 != 0) {
                                print STDERR "mr $action: command failed\n";
                        }
                        if ($ret >> 8 != 0) {
                                print STDERR "mr $action: command failed\n";
                        }


@@ -384,7 +463,6 @@ sub loadconfig {
                $dir="";
        }
        else {
                $dir="";
        }
        else {

-               # $f might be a symlink

                my $absf=abs_path($f);
                if ($loaded{$absf}) {
                        return;
                my $absf=abs_path($f);
                if ($loaded{$absf}) {
                        return;


@@ -403,8 +481,8 @@ sub loadconfig {
                my $parent=$dir;
                while ($parent=~s/^(.*)\/[^\/]+\/?$/$1/) {
                        if (exists $config{$parent} &&
                my $parent=$dir;
                while ($parent=~s/^(.*)\/[^\/]+\/?$/$1/) {
                        if (exists $config{$parent} &&

-                           exists $config{$parent}{default}) {
-                               $config{$dir}{default}={ %{$config{$parent}{default}} };
+                           exists $config{$parent}{DEFAULT}) {
+                               $config{$dir}{DEFAULT}={ %{$config{$parent}{DEFAULT}} };

                                last;
                        }
                }
                                last;
                        }
                }


@@ -422,31 +500,31 @@ sub loadconfig {
                        my $value=$2;
 
                        # continuation line
                        my $value=$2;
 
                        # continuation line

-                       while ($value=~/(.*)\\$/) {
-                               $value=$1.<$in>;
+                       while ($value=~/(.*)\\$/s) {
+                               $value=$1."\n".<$in>;

                                chomp $value;
                        }
 
                        if (! defined $section) {
                                die "$f line $.: parameter ($parameter) not in section\n";
                        }
                                chomp $value;
                        }
 
                        if (! defined $section) {
                                die "$f line $.: parameter ($parameter) not in section\n";
                        }

-                       if ($section ne 'alias' &&
+                       if ($section ne 'ALIAS' &&

                            ! exists $config{$dir}{$section} &&
                            ! exists $config{$dir}{$section} &&

-                           exists $config{$dir}{default}) {
+                           exists $config{$dir}{DEFAULT}) {

                                # copy in defaults
                                # copy in defaults

-                               $config{$dir}{$section}={ %{$config{$dir}{default}} };
+                               $config{$dir}{$section}={ %{$config{$dir}{DEFAULT}} };

                        }
                        }

-                       if ($section eq 'alias') {
+                       if ($section eq 'ALIAS') {

                                $alias{$parameter}=$value;
                        }
                        elsif ($parameter eq 'lib') {
                                $alias{$parameter}=$value;
                        }
                        elsif ($parameter eq 'lib') {

-                               $config{$dir}{$section}{lib}.=$value." ; ";
+                               $config{$dir}{$section}{lib}.=$value."\n";

                        }
                        else {
                                $config{$dir}{$section}{$parameter}=$value;
                                $knownactions{$parameter}=1;
                                if ($parameter eq 'chain' &&
                        }
                        else {
                                $config{$dir}{$section}{$parameter}=$value;
                                $knownactions{$parameter}=1;
                                if ($parameter eq 'chain' &&

-                                   length $dir && $section ne "default" &&
+                                   length $dir && $section ne "DEFAULT" &&

                                    -e $dir.$section."/.mrconfig" &&
                                    system($value) >> 8 == 0) {
                                        push @toload, $dir.$section."/.mrconfig";
                                    -e $dir.$section."/.mrconfig" &&
                                    system($value) >> 8 == 0) {
                                        push @toload, $dir.$section."/.mrconfig";


@@ -464,88 +542,191 @@ sub loadconfig {
        }
 }
 
        }
 }
 

+sub modifyconfig {
+       my $f=shift;
+       # the section to modify or add
+       my $targetsection=shift;
+       # fields to change in the section
+       # To remove a field, set its value to "".
+       my %changefields=@_;
+
+       my @lines;
+       if (-e $f) {
+               open(my $in, "<", $f) || die "mr: open $f: $!\n";
+               @lines=<$in>;
+               close $in;
+       }
+
+       my $section;
+       my @out;
+       while (@lines) {
+               $_=shift(@lines);
+
+               if (/^\s*\#/ || /^\s*$/) {
+                       push @out, $_;
+               }
+               elsif (/^\s*\[([^\]]*)\]\s*$/) {
+                       if (defined $section && 
+                           $section eq $targetsection) {
+                               my @blanks;
+                               while ($out[$#out] =~ /^\s*$/) {
+                                       unshift @blanks, pop @out;
+                               }
+                               foreach my $field (sort keys %changefields) {
+                                       if (length $changefields{$field}) {
+                                               push @out, "$field = $changefields{$field}\n";
+                                       }
+                               }
+                               push @out, @blanks;
+                       }
+
+                       $section=$1;
+
+                       push @out, $_;
+               }
+               elsif (/^\s*(\w+)\s*=\s(.*)/) {
+                       my $parameter=$1;
+                       my $value=$2;
+
+                       # continuation line
+                       while ($value=~/(.*\\)$/s) {
+                               $value=$1."\n".shift(@lines);
+                               chomp $value;
+                       }
+
+                       if ($section eq $targetsection) {
+                               if (exists $changefields{$parameter}) {
+                                       if (length $changefields{$parameter}) {
+                                               $value=$changefields{$parameter};
+                                       }
+                                       delete $changefields{$parameter};
+                               }
+                       }
+
+                       push @out, "$parameter = $value\n";
+               }
+       }
+
+       if (%changefields) {
+               push @out, "\n[$targetsection]\n";
+               foreach my $field (sort keys %changefields) {
+                       if (length $changefields{$field}) {
+                               push @out, "$field = $changefields{$field}\n";
+                       }
+               }
+       }
+
+       open(my $out, ">", $f) || die "mr: write $f: $!\n";
+       print $out @out;
+       close $out;     
+}
+

 # Finally, some useful actions that mr knows about by default.
 # These can be overridden in ~/.mrconfig.
 __DATA__
 # Finally, some useful actions that mr knows about by default.
 # These can be overridden in ~/.mrconfig.
 __DATA__

-[alias]
+[ALIAS]

        co = checkout
        ci = commit
        ls = list
 
        co = checkout
        ci = commit
        ls = list
 

-[default]
-lib = \
-       error() { \
-               echo "mr: $@" >&2; \
-               exit 1; \
+[DEFAULT]
+lib =                                                  \
+       error() {                                       \
+               echo "mr: $@" >&2                       \
+               exit 1                                  \

        }
 
        }
 

-update = \
-       if [ -d "$MR_REPO"/.svn ]; then \
-               svn update "$@"; \
-       elif [ -d "$MR_REPO"/.git ]; then \
-               git pull origin master "$@"; \
-       elif [ -d "$MR_REPO"/.bzr ]; then \
-               bzr merge "$@"; \
-       elif [ -d "$MR_REPO"/CVS ]; then \
-               cvs update "$@"; \
-       else \
-               error "unknown repo type"; \
+update =                                               \
+       if [ -d "$MR_REPO"/.svn ]; then                 \
+               svn update "$@"                         \
+       elif [ -d "$MR_REPO"/.git ]; then               \
+               git pull origin master "$@"             \
+       elif [ -d "$MR_REPO"/.bzr ]; then               \
+               bzr merge "$@"                          \
+       elif [ -d "$MR_REPO"/CVS ]; then                \
+               cvs update "$@"                         \
+       else                                            \
+               error "unknown repo type"               \
+       fi
+status =                                               \
+       if [ -d "$MR_REPO"/.svn ]; then                 \
+               svn status "$@"                         \
+       elif [ -d "$MR_REPO"/.git ]; then               \
+               git status "$@" || true                 \
+       elif [ -d "$MR_REPO"/.bzr ]; then               \
+               bzr status "$@"                         \
+       elif [ -d "$MR_REPO"/CVS ]; then                \
+               cvs status "$@"                         \
+       else                                            \
+               error "unknown repo type"               \

        fi
        fi

-status = \
-       if [ -d "$MR_REPO"/.svn ]; then \
-               svn status "$@"; \
-       elif [ -d "$MR_REPO"/.git ]; then \
-               git status "$@" || true; \
-       elif [ -d "$MR_REPO"/.bzr ]; then \
-               bzr status "$@"; \
-       elif [ -d "$MR_REPO"/CVS ]; then \
-               cvs status "$@"; \
-       else \
-               error "unknown repo type"; \
+commit =                                               \
+       if [ -d "$MR_REPO"/.svn ]; then                 \
+               svn commit "$@"                         \
+       elif [ -d "$MR_REPO"/.git ]; then               \
+               git commit -a "$@" && git push --all    \
+       elif [ -d "$MR_REPO"/.bzr ]; then               \
+               bzr commit "$@" && bzr push             \
+       elif [ -d "$MR_REPO"/CVS ]; then                \
+               cvs commit "$@"                         \
+       else                                            \
+               error "unknown repo type"               \

        fi
        fi

-commit = \
-       if [ -d "$MR_REPO"/.svn ]; then \
-               svn commit "$@"; \
-       elif [ -d "$MR_REPO"/.git ]; then \
-               git commit -a "$@" && git push --all; \
-       elif [ -d "$MR_REPO"/.bzr ]; then \
-               bzr commit "$@" && bzr push; \
-       elif [ -d "$MR_REPO"/CVS ]; then \
-               cvs commit "$@"; \
-       else \
-               error "unknown repo type"; \
+diff =                                                 \
+       if [ -d "$MR_REPO"/.svn ]; then                 \
+               svn diff "$@"                           \
+       elif [ -d "$MR_REPO"/.git ]; then               \
+               git diff "$@"                           \
+       elif [ -d "$MR_REPO"/.bzr ]; then               \
+               bzr diff "$@"                           \
+       elif [ -d "$MR_REPO"/CVS ]; then                \
+               cvs diff "$@"                           \
+       else                                            \
+               error "unknown repo type"               \

        fi
        fi

-diff = \
-       if [ -d "$MR_REPO"/.svn ]; then \
-               svn diff "$@"; \
-       elif [ -d "$MR_REPO"/.git ]; then \
-               git diff "$@"; \
-       elif [ -d "$MR_REPO"/.bzr ]; then \
-               bzr diff "$@"; \
-       elif [ -d "$MR_REPO"/CVS ]; then \
-               cvs diff "$@"; \
-       else \
-               error "unknown repo type"; \
+log =                                                  \
+       if [ -d "$MR_REPO"/.svn ]; then                 \
+               svn log"$@"                             \
+       elif [ -d "$MR_REPO"/.git ]; then               \
+               git log "$@"                            \
+       elif [ -d "$MR_REPO"/.bzr ]; then               \
+               bzr log "$@"                            \
+       elif [ -d "$MR_REPO"/CVS ]; then                \
+               cvs log "$@"                            \
+       else                                            \
+               error "unknown repo type"               \

        fi
        fi

-log = \
-       if [ -d "$MR_REPO"/.svn ]; then \
-               svn log"$@"; \
-       elif [ -d "$MR_REPO"/.git ]; then \
-               git log "$@"; \
-       elif [ -d "$MR_REPO"/.bzr ]; then \
-               bzr log "$@"; \
-       elif [ -d "$MR_REPO"/CVS ]; then \
-               cvs log "$@"; \
-       else \
-               error "unknown repo type"; \
+register =                                                             \
+       if [ -z "$1" ]; then                                            \
+               error "repository directory not specified"              \
+       fi                                                              \
+       cd "$1"                                                         \
+       basedir="$(basename $(pwd))"                                    \
+       if [ -d .svn ]; then                                            \
+               url=$(svn info . |                                      \
+                     grep -i ^URL: | cut -d ' ' -f 2)                  \
+               if [ -z "$url" ]; then                                  \
+                       error "cannot determine svn url"                \
+               fi                                                      \
+               echo "Found svn url: $url"                              \
+               mr config "$(pwd)" checkout="svn co $url $basedir"      \
+       elif [ -d .git ]; then                                          \
+               url=$(git-config --get remote.origin.url)               \
+               if [ -z "$url" ]; then                                  \
+                       error "cannot determine git url"                \
+               fi                                                      \
+               echo "Found git url: $url"                              \
+               mr config "$(pwd)" checkout="git clone $url $basedir"   \
+       else                                                            \
+               error "unable to register this repo type"               \

        fi
 list = true
        fi
 list = true

-
-help = \
-       if [ ! -e "$MR_PATH" ]; then \
-               error "cannot find program path";\
-       fi; \
-       (pod2man -c mr "$MR_PATH" | man -l -) || \
+config = 
+help =                                                 \
+       if [ ! -e "$MR_PATH" ]; then                    \
+               error "cannot find program path"        \
+       fi                                              \
+       (pod2man -c mr "$MR_PATH" | man -l -) ||        \

                error "pod2man or man failed"
 
 ed = echo "A horse is a horse, of course, of course.."
                error "pod2man or man failed"
 
 ed = echo "A horse is a horse, of course, of course.."