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add alias support
[code/myrepos.git] / mr
diff --git a/mr b/mr
index 6ace1d82d2578f490731372d9807a268bcff21b6..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
@@ -101,17 +101,23 @@ environment, where any additional parameters you pass are available in
 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.
 
 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.
 
-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<mr> will skip acting on that repository.
 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
 its command returns nonzero, then B<mr> will skip acting on that repository.
 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.)
+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 "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]
 For example:
 
   [src]
@@ -119,10 +125,19 @@ For example:
   chain = true
 
   [src/linux-2.6]
   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
 
   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 <joey@kitenet.net>
 =head1 AUTHOR
 
 Copyright 2007 Joey Hess <joey@kitenet.net>
@@ -143,6 +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 $result=GetOptions(
@@ -160,13 +176,19 @@ loadconfig($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";
+               }
        }
 }
 
        }
 }
 
@@ -189,15 +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);
 
        }
@@ -205,32 +218,46 @@ 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; my_action(){ $config{$topdir}{$subdir}{$action} ; }; my_action ".
+               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 ($ret != 0) {
                        join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
                my $ret=system($command);
                if ($ret != 0) {
@@ -263,7 +290,13 @@ print "\nmr $action: finished (".join("; ",
        showstat($#failed+1, "failed", "failed"),
        showstat($#skipped+1, "skipped", "skipped"),
 ).")\n";
        showstat($#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 {
 
 my %loaded;
 sub loadconfig {
@@ -324,23 +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}} };
                        }
-                       $config{$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 {
                }
                else {
-                               die "$f line $.: parse error\n";
+                       die "$f line $.: parse error\n";
                }
        }
        close $in;
                }
        }
        close $in;
@@ -353,15 +394,22 @@ 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]
 [default]
+lib = \
+       error() { \
+               echo "mr: $@" >&2; \
+               exit 1; \
+       }
 update = \
        if [ -d .svn ]; then \
                svn update; \
        elif [ -d .git ]; then \
                git pull origin master; \
        else \
 update = \
        if [ -d .svn ]; then \
                svn update; \
        elif [ -d .git ]; then \
                git pull origin master; \
        else \
-               echo "mr update: unknown repo type"; \
-               exit 1; \
+               error "unknown repo type"; \
        fi
 status = \
        if [ -d .svn ]; then \
        fi
 status = \
        if [ -d .svn ]; then \
@@ -369,8 +417,7 @@ status = \
        elif [ -d .git ]; then \
                git status || true; \
        else \
        elif [ -d .git ]; then \
                git status || true; \
        else \
-               echo "mr status: unknown repo type"; \
-               exit 1; \
+               error "unknown repo type"; \
        fi
 commit = \
        if [ -d .svn ]; then \
        fi
 commit = \
        if [ -d .svn ]; then \
@@ -378,6 +425,5 @@ commit = \
        elif [ -d .git ]; then \
                git commit -a "$@" && git push --all; \
        else \
        elif [ -d .git ]; then \
                git commit -a "$@" && git push --all; \
        else \
-               echo "mr commit: unknown repo type"; \
-               exit 1; \
+               error "unknown repo type"; \
        fi
        fi
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.