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add help and diff commands
[code/myrepos.git] / mr
diff --git a/mr b/mr
index ab71f36045abe6fc3e4fed67692bffbbf2d4ebcc..17418124d2011194ed5c084afbb2e5eefbc70f8c 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
@@ -30,7 +32,7 @@ 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 +48,7 @@ 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
@@ -54,6 +56,14 @@ 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 help
+
+Displays this help.
+
 =back
 
 Actions can be abbreviated to any unambiguous subsctring, so
 =back
 
 Actions can be abbreviated to any unambiguous subsctring, so
@@ -115,6 +125,9 @@ 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 +168,7 @@ 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 +177,9 @@ 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);
@@ -171,14 +187,39 @@ 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;
+               }
        }
 }
 
        }
 }
 
@@ -193,21 +234,18 @@ 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);
-
        }
 }
 
 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) {
@@ -229,11 +267,11 @@ sub action {
        }
 
        if (exists $config{$topdir}{$subdir}{skip}) {
        }
 
        if (exists $config{$topdir}{$subdir}{skip}) {
-               my $ret=system($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, $dir;
                if ($ret >> 8 == 0) {
                        print "mr $action: $dir skipped per config file\n" if $verbose;
                        push @skipped, $dir;
-                       next;
+                       return;
                }
        }
 
                }
        }
 
@@ -243,9 +281,7 @@ sub action {
        }
        else {
                print "mr $action: in $dir\n";
        }
        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);
@@ -262,6 +298,9 @@ sub action {
                else {
                        push @successful, $dir;
                }
                else {
                        push @successful, $dir;
                }
+
+               print "\n" unless $first;
+               $first=0;
        }
 }
 
        }
 }
 
@@ -274,7 +313,8 @@ sub showstat {
        }
        return;
 }
        }
        return;
 }
-print "\nmr $action: finished (".join("; ",
+print "\n" unless $first;
+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"),
@@ -346,28 +386,31 @@ 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 $in;
@@ -380,6 +423,9 @@ sub loadconfig {
 # Finally, some useful actions that mr knows about by default.
 # These can be overridden in ~/.mrconfig.
 __DATA__
 # Finally, some useful actions that mr knows about by default.
 # These can be overridden in ~/.mrconfig.
 __DATA__
+[alias]
+       co = checkout
+       ci = commit
 [default]
 lib = \
        error() { \
 [default]
 lib = \
        error() { \
@@ -388,17 +434,17 @@ lib = \
        }
 update = \
        if [ -d .svn ]; then \
        }
 update = \
        if [ -d .svn ]; then \
-               svn update; \
+               svn update "$@"; \
        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 "$@" || true; \
        else \
                error "unknown repo type"; \
        fi
        else \
                error "unknown repo type"; \
        fi
@@ -410,3 +456,17 @@ commit = \
        else \
                error "unknown repo type"; \
        fi
        else \
                error "unknown repo type"; \
        fi
+diff = \
+       if [ -d .svn ]; then \
+               svn diff "$@"; \
+       elif [ -d .git ]; then \
+               git diff "$@"; \
+       else \
+               error "unknown repo type"; \
+       fi
+help = \
+       if [ ! -e "$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.