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add mr list command, and clarify what repos it will choose to act on
[code/myrepos.git] / mr
diff --git a/mr b/mr
index f8b78c01a8843061714fd66b1926e4cb50f4daeb..823e3df3ea1f989c9930684e8a12528409af804a 100755 (executable)
--- a/mr
+++ b/mr
@@ -14,6 +14,8 @@ B<mr> [options] status
 
 B<mr> [options] commit [-m "message"]
 
 
 B<mr> [options] commit [-m "message"]
 
+B<mr> [options] diff
+
 B<mr> [options] action [params ...]
 
 =head1 DESCRIPTION
 B<mr> [options] action [params ...]
 
 =head1 DESCRIPTION
@@ -30,35 +32,54 @@ control system:
 
 =over 4
 
 
 =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
 
 
 =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
 
 
 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.
 
 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.
 
 
 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".
 
 =back
 
 Actions can be abbreviated to any unambiguous subsctring, so
 "mr st" is equivilant to "mr status".
 
+B<mr> operates on all registered repsitories at or below your working
+directory. Or, if you are in a subdirectory of a repository, 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
 =head1 OPTIONS
 
 =over 4
@@ -115,6 +136,9 @@ 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".
 
 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]
 For example:
 
   [src]
@@ -155,6 +179,7 @@ my $config="$ENV{HOME}/.mrconfig";
 my $verbose=0;
 my %config;
 my %knownactions;
 my $verbose=0;
 my %config;
 my %knownactions;
+my %alias;
 
 Getopt::Long::Configure("no_permute");
 my $result=GetOptions(
 
 Getopt::Long::Configure("no_permute");
 my $result=GetOptions(
@@ -163,7 +188,9 @@ my $result=GetOptions(
        "v" => \$verbose,
 );
 if (! $result || @ARGV < 1) {
        "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);
 }
 
 loadconfig(\*DATA);
@@ -171,19 +198,43 @@ loadconfig($config);
 #use Data::Dumper;
 #print Dumper(\%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;
 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{$action};
        }
        else {
        }
        else {
-               die "mr: ambiguous action \"$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 \"$action\" (matches @matches)\n";
+               }
+       }
+}
+
+if ($action eq 'help') {
+       exec($config{''}{default}{help});
+}
+
+# handle being in a subdir of a repository
+foreach my $topdir (sort keys %config) {
+       foreach my $subdir (sort keys %{$config{$topdir}}) {
+               if ($directory =~ /^\Q$topdir$subdir\E\//) {
+                       $directory=$topdir.$subdir;
+               }
        }
 }
 
 my (@failed, @successful, @skipped);
        }
 }
 
 my (@failed, @successful, @skipped);
-my $first=1;
 foreach my $topdir (sort keys %config) {
        foreach my $subdir (sort keys %{$config{$topdir}}) {
                next if $subdir eq 'default';
 foreach my $topdir (sort keys %config) {
        foreach my $subdir (sort keys %{$config{$topdir}}) {
                next if $subdir eq 'default';
@@ -193,16 +244,10 @@ foreach my $topdir (sort keys %config) {
                if (defined $directory &&
                    $dir ne $directory &&
                    $dir !~ /^\Q$directory\E\//) {
                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;
                }
 
                        next;
                }
 
-               print "\n" unless $first;
-               $first=0;
-
                action($action, $dir, $topdir, $subdir);
                action($action, $dir, $topdir, $subdir);
-
        }
 }
 
        }
 }
 
@@ -236,7 +281,7 @@ sub action {
                if ($ret >> 8 == 0) {
                        print "mr $action: $dir skipped per config file\n" if $verbose;
                        push @skipped, $dir;
                if ($ret >> 8 == 0) {
                        print "mr $action: $dir skipped per config file\n" if $verbose;
                        push @skipped, $dir;
-                       next;
+                       return;
                }
        }
 
                }
        }
 
@@ -245,7 +290,7 @@ sub action {
                push @skipped, $dir;
        }
        else {
                push @skipped, $dir;
        }
        else {
-               print "mr $action: in $dir\n";
+               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 $command="set -e; ".$lib.
                        "my_action(){ $config{$topdir}{$subdir}{$action} ; }; my_action ".
                        join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
@@ -263,6 +308,8 @@ sub action {
                else {
                        push @successful, $dir;
                }
                else {
                        push @successful, $dir;
                }
+
+               print "\n";
        }
 }
 
        }
 }
 
@@ -275,7 +322,7 @@ sub showstat {
        }
        return;
 }
        }
        return;
 }
-print "\nmr $action: finished (".join("; ",
+print "mr $action: finished (".join("; ",
        showstat($#successful+1, "successful", "successful"),
        showstat($#failed+1, "failed", "failed"),
        showstat($#skipped+1, "skipped", "skipped"),
        showstat($#successful+1, "successful", "successful"),
        showstat($#failed+1, "failed", "failed"),
        showstat($#skipped+1, "skipped", "skipped"),
@@ -347,28 +394,31 @@ sub loadconfig {
                        if (! defined $section) {
                                die "$f line $.: parameter ($parameter) not in section\n";
                        }
                        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}} };
                        }
                                # copy in defaults
                                $config{$dir}{$section}={ %{$config{$dir}{default}} };
                        }
-                       if ($parameter ne 'lib') {
-                               $config{$dir}{$section}{$parameter}=$value;
-                               $knownactions{$parameter}=1;
+                       if ($section eq 'alias') {
+                               $alias{$parameter}=$value;
+                       }
+                       elsif ($parameter eq 'lib') {
+                               $config{$dir}{$section}{lib}.=$value." ; ";
                        }
                        else {
                        }
                        else {
-                               $config{$dir}{$section}{$parameter}.=$value." ; ";
+                               $config{$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 ($parameter eq 'chain' &&
-                           length $dir && $section ne "default" &&
-                           -e $dir.$section."/.mrconfig" &&
-                           system($value) >> 8 == 0) {
-                               push @toload, $dir.$section."/.mrconfig";
-                       }
                }
                else {
                }
                else {
-                               die "$f line $.: parse error\n";
+                       die "$f line $.: parse error\n";
                }
        }
        close $in;
                }
        }
        close $in;
@@ -381,6 +431,9 @@ sub loadconfig {
 # Finally, some useful actions that mr knows about by default.
 # These can be overridden in ~/.mrconfig.
 __DATA__
 # Finally, some useful actions that mr knows about by default.
 # These can be overridden in ~/.mrconfig.
 __DATA__
+[alias]
+       co = checkout
+       ci = commit
 [default]
 lib = \
        error() { \
 [default]
 lib = \
        error() { \
@@ -389,17 +442,17 @@ lib = \
        }
 update = \
        if [ -d .svn ]; then \
        }
 update = \
        if [ -d .svn ]; then \
-               svn update; \
+               svn update "$@"; \
        elif [ -d .git ]; then \
        elif [ -d .git ]; then \
-               git pull origin master; \
+               git pull origin master "$@"; \
        else \
                error "unknown repo type"; \
        fi
 status = \
        if [ -d .svn ]; then \
        else \
                error "unknown repo type"; \
        fi
 status = \
        if [ -d .svn ]; then \
-               svn status; \
+               svn status "$@"; \
        elif [ -d .git ]; then \
        elif [ -d .git ]; then \
-               git status || true; \
+               git status "$@" || true; \
        else \
                error "unknown repo type"; \
        fi
        else \
                error "unknown repo type"; \
        fi
@@ -411,3 +464,18 @@ commit = \
        else \
                error "unknown repo type"; \
        fi
        else \
                error "unknown repo type"; \
        fi
+diff = \
+       if [ -d .svn ]; then \
+               svn diff "$@"; \
+       elif [ -d .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"
hacking on myrepos

Legalese

All content available in this repository is copyright © martin f. krafft, unless otherwise noted.

All files and their content are released under the terms of the Artistic Licence 2.0, unless otherwise noted.

The operator of this repository shall not be held liable for offending content in pages linking to or linked from these page, nor does he endorse their content unless stated otherwise.