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add alias support
[code/myrepos.git] / mr
diff --git a/mr b/mr
index 26c6113fd6ea4b45e797741d3d6c2822e85b41ec..f2e4af5142c3518635d1541c077cf5c498d55b34 100755 (executable)
--- a/mr
+++ b/mr
@@ -30,7 +30,7 @@ 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 all the registered repositories that are not already checked
 out.
@@ -46,7 +46,7 @@ If a repository isn't checked out yet, it will first check it out.
 Displays a status report for each registered repository, showing what
 uncommitted changes are present in the repository.
 
 Displays a status report for each registered 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
 
 Commits changes to each registered repository. (By default, changes
 are pushed to the remote repository too, when using distributed systems
@@ -115,6 +115,9 @@ 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 +158,7 @@ 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 $result=GetOptions(
@@ -172,13 +176,19 @@ loadconfig($config);
 #print Dumper(\%config);
 
 my $action=shift @ARGV;
 #print Dumper(\%config);
 
 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";
+               }
        }
 }
 
        }
 }
 
@@ -201,15 +211,6 @@ foreach my $topdir (sort keys %config) {
                print "\n" unless $first;
                $first=0;
 
                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, $dir;
-                               next;
-                       }
-               }
-
                action($action, $dir, $topdir, $subdir);
 
        }
                action($action, $dir, $topdir, $subdir);
 
        }
@@ -217,34 +218,45 @@ foreach my $topdir (sort keys %config) {
 
 sub action {
        my ($action, $dir, $topdir, $subdir) = @_;
 
 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) {
 
        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/;
        }
                        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 (! -d $dir) {
                        return action("checkout", $dir, $topdir, $subdir);
                }
        }
-
+       
        if (! chdir($dir)) {
                print STDERR "mr $action: failed to chdir to $dir: $!\n";
                push @skipped, $dir;
        }
        if (! chdir($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";
                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; ".
-                       (exists $config{$topdir}{$subdir}{lib} ?
-                               $config{$topdir}{$subdir}{lib} : "").
+               my $command="set -e; ".$lib.
                        "my_action(){ $config{$topdir}{$subdir}{$action} ; }; my_action ".
                        join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
                my $ret=system($command);
                        "my_action(){ $config{$topdir}{$subdir}{$action} ; }; my_action ".
                        join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
                my $ret=system($command);
@@ -345,28 +357,31 @@ 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;
@@ -379,6 +394,9 @@ 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() { \
hacking on myrepos

Legalese

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