* Cut number of rcs tests run in half.

[code/myrepos.git] / mr

diff --git a/mr b/mr
index aefbb4cde256298f4164f42afdf2a1ce79efe409..9d1e6576652722a2b74779114f0e8f73e93f511f 100755 (executable)
--- a/mr
+++ b/mr
@@ -232,7 +232,7 @@ mr is run by joey. The second uses the hours_since function
 (included in mr's built-in library) to skip updating the repo unless it's
 been at least 12 hours since the last update.
 
-  skip = test $(whoami) != joey
+  skip = test `whoami` != joey
   skip = [ "$1" = update ] && ! hours_since "$1" 12
 
 =item order
@@ -296,7 +296,8 @@ use warnings;
 use strict;
 use Getopt::Long;
 use Cwd qw(getcwd abs_path);
-use POSIX "WNOHANG";
+
+# things that can happen when mr runs a command
 use constant {
        OK => 0,
        FAILED => 1,
@@ -304,6 +305,7 @@ use constant {
        ABORT => 3,
 };
 
+# configurables
 my $config_overridden=0;
 my $verbose=0;
 my $stats=0;
@@ -311,7 +313,9 @@ my $no_recurse=0;
 my $no_chdir=0;
 my $jobs=1;
 my $directory=getcwd();
+$ENV{MR_CONFIG}="$ENV{HOME}/.mrconfig";
 
+# globals :-(
 my %config;
 my %configfiles;
 my %knownactions;
@@ -320,33 +324,14 @@ my (@ok, @failed, @skipped);
 
 main();
 
-sub dispatch { #{{{
-       my $action=shift;
-
-       # actions that do not operate on all repos
-       if ($action eq 'help') {
-               help(@ARGV);
-       }
-       elsif ($action eq 'config') {
-               config(@ARGV);
-       }
-       elsif ($action eq 'register') {
-               register(@ARGV);
-       }
-
-       if ($jobs > 1) {
-               mrs($action, selectrepos());
-       }
-       else {
-               foreach my $repo (selectrepos()) {
-                       record($repo, action($action, @$repo));
-               }
-       }
-} #}}}
-
+my %rcs;
 sub rcs_test { #{{{
        my ($action, $dir, $topdir, $subdir) = @_;
 
+       if (exists $rcs{$dir}) {
+               return $rcs{$dir};
+       }
+
        my $test="set -e\n";
        foreach my $rcs_test (
                        sort {
@@ -364,21 +349,30 @@ sub rcs_test { #{{{
        print "mr $action: running rcs test >>$test<<\n" if $verbose;
        my $rcs=`$test`;
        chomp $rcs;
-       if (! length $rcs) {
+       if ($rcs=~/\n/s) {
+               $rcs=~s/\n/, /g;
+               print STDERR "mr $action: found multiple possible repository types ($rcs) for $topdir$subdir\n";
                return undef;
        }
+       if (! length $rcs) {
+               return $rcs{$dir}=undef;
+       }
        else {
-               return $rcs;
+               return $rcs{$dir}=$rcs;
        }
 } #}}}
        
 sub findcommand { #{{{
-       my ($action, $dir, $topdir, $subdir) = @_;
+       my ($action, $dir, $topdir, $subdir, $is_checkout) = @_;
        
        if (exists $config{$topdir}{$subdir}{$action}) {
                return $config{$topdir}{$subdir}{$action};
        }
 
+       if ($is_checkout) {
+               return undef;
+       }
+
        my $rcs=rcs_test(@_);
 
        if (defined $rcs && 
@@ -396,19 +390,15 @@ sub action { #{{{
        $ENV{MR_CONFIG}=$configfiles{$topdir};
        my $lib=exists $config{$topdir}{$subdir}{lib} ?
                       $config{$topdir}{$subdir}{lib}."\n" : "";
+       my $is_checkout=($action eq 'checkout');
 
-       if ($action eq 'checkout') {
+       if ($is_checkout) {
                if (-d $dir) {
                        print "mr $action: $dir already exists, skipping checkout\n" if $verbose;
                        return SKIPPED;
                }
 
                $dir=~s/^(.*)\/[^\/]+\/?$/$1/;
-
-               if (! -d $dir) {
-                       print "mr $action: creating parent directory $dir\n" if $verbose;
-                       system("mkdir", "-p", $dir);
-               }
        }
        elsif ($action =~ /update/) {
                if (! -d $dir) {
@@ -418,8 +408,8 @@ sub action { #{{{
 
        $ENV{MR_REPO}=$dir;
 
-       my $skiptest=findcommand("skip", $dir, $topdir, $subdir);
-       my $command=findcommand($action, $dir, $topdir, $subdir);
+       my $skiptest=findcommand("skip", $dir, $topdir, $subdir, $is_checkout);
+       my $command=findcommand($action, $dir, $topdir, $subdir, $is_checkout);
 
        if (defined $skiptest) {
                my $test="set -e;".$lib.
@@ -441,7 +431,12 @@ sub action { #{{{
                        return SKIPPED;
                }
        }
-       
+
+       if ($is_checkout && ! -d $dir) {
+               print "mr $action: creating parent directory $dir\n" if $verbose;
+               system("mkdir", "-p", $dir);
+       }
+
        if (! $no_chdir && ! chdir($dir)) {
                print STDERR "mr $action: failed to chdir to $dir: $!\n";
                return FAILED;
@@ -909,7 +904,31 @@ sub modifyconfig { #{{{
        print $out @out;
        close $out;     
 } #}}}
-       
+
+sub dispatch { #{{{
+       my $action=shift;
+
+       # actions that do not operate on all repos
+       if ($action eq 'help') {
+               help(@ARGV);
+       }
+       elsif ($action eq 'config') {
+               config(@ARGV);
+       }
+       elsif ($action eq 'register') {
+               register(@ARGV);
+       }
+
+       if ($jobs > 1) {
+               mrs($action, selectrepos());
+       }
+       else {
+               foreach my $repo (selectrepos()) {
+                       record($repo, action($action, @$repo));
+               }
+       }
+} #}}}
+
 sub help { #{{{
        exec($config{''}{DEFAULT}{help}) || die "exec: $!";
 } #}}}
@@ -957,14 +976,19 @@ sub register { #{{{
                # Find the closest known mrconfig file to the current
                # directory.
                $directory.="/" unless $directory=~/\/$/;
+               my $foundconfig=0;
                foreach my $topdir (reverse sort keys %config) {
                        next unless length $topdir;
                        if ($directory=~/^\Q$topdir\E/) {
                                $ENV{MR_CONFIG}=$configfiles{$topdir};
                                $directory=$topdir;
+                               $foundconfig=1;
                                last;
                        }
                }
+               if (! $foundconfig) {
+                       $directory=""; # no config file, use builtin
+               }
        }
        if (@ARGV) {
                my $subdir=shift @ARGV;
@@ -974,7 +998,7 @@ sub register { #{{{
        }
 
        $ENV{MR_REPO}=getcwd();
-       my $command=findcommand("register", $ENV{MR_REPO}, $directory, 'DEFAULT');
+       my $command=findcommand("register", $ENV{MR_REPO}, $directory, 'DEFAULT', 0);
        if (! defined $command) {
                die "mr register: unknown repository type\n";
        }
@@ -1012,7 +1036,7 @@ sub expandaction { #{{{
 } #}}}
 
 sub getopts { #{{{
-       Getopt::Long::Configure("no_permute");
+       Getopt::Long::Configure("bundling", "no_permute");
        my $result=GetOptions(
                "d|directory=s" => sub { $directory=abs_path($_[1]) },
                "c|config=s" => sub { $ENV{MR_CONFIG}=$_[1]; $config_overridden=1 },
@@ -1033,8 +1057,6 @@ sub init { #{{{
                exit 2;
        };
        
-       $ENV{MR_CONFIG}="$ENV{HOME}/.mrconfig";
-
        # This can happen if it's run in a directory that was removed
        # or other strangeness.
        if (! defined $directory) {
@@ -1110,7 +1132,7 @@ lib =
                if [ -z "$flagfile" ]; then
                        error "cannot determine flag filename"
                fi
-               delta=$(perl -wle 'print -f shift() ? int((-M _) * 24) : 9999' "$flagfile")
+               delta=`perl -wle 'print -f shift() ? int((-M _) * 24) : 9999' "$flagfile"`
                if [ "$delta" -lt "$2" ]; then
                        exit 0
                else
@@ -1128,7 +1150,7 @@ darcs_test = test -d "$MR_REPO"/_darcs
 git_bare_test =
        test -d "$MR_REPO"/refs/heads && test -d "$MR_REPO"/refs/tags &&
        test -d "$MR_REPO"/objects && test -f "$MR_REPO"/config &&
-       test "$(GIT_CONFIG="$MR_REPO"/config git-config --get core.bare)" = true
+       test "`GIT_CONFIG="$MR_REPO"/config git config --get core.bare`" = true
 
 svn_update = svn update "$@"
 git_update = if [ "$@" ]; then git pull "$@"; else git pull -t origin master; fi
@@ -1167,44 +1189,44 @@ darcs_log = darcs changes "$@"
 git_bare_log = git log "$@"
 
 svn_register =
-       url=$(LANG=C svn info . | grep -i ^URL: | cut -d ' ' -f 2)
+       url=`LANG=C svn info . | grep -i '^URL:' | cut -d ' ' -f 2`
        if [ -z "$url" ]; then
                error "cannot determine svn url"
        fi
        echo "Registering svn url: $url in $MR_CONFIG"
        mr -c "$MR_CONFIG" config "`pwd`" checkout="svn co '$url' '$MR_REPO'"
 git_register = 
-       url="$(LANG=C git-config --get remote.origin.url)" || true
+       url="`LANG=C git config --get remote.origin.url`" || true
        if [ -z "$url" ]; then
                error "cannot determine git url"
        fi
        echo "Registering git url: $url in $MR_CONFIG"
        mr -c "$MR_CONFIG" config "`pwd`" checkout="git clone '$url' '$MR_REPO'"
 bzr_register =
-       url=$(cat .bzr/branch/parent)
+       url=`cat .bzr/branch/parent`
        if [ -z "$url" ]; then
                error "cannot determine bzr url"
        fi
        echo "Registering bzr url: $url in $MR_CONFIG"
        mr -c "$MR_CONFIG" config "`pwd`" checkout="bzr clone '$url' '$MR_REPO'"
 cvs_register =
-       repo=$(cat CVS/Repository)
-       root=$(cat CVS/Root)
+       repo=`cat CVS/Repository`
+       root=`cat CVS/Root`
        if [ -z "$root" ]; then
                error "cannot determine cvs root"
                fi
        echo "Registering cvs repository $repo at root $root"
        mr -c "$MR_CONFIG" config "`pwd`" checkout="cvs -d '$root' co -d '$MR_REPO' '$repo'"
 hg_register = 
-       url=$(hg showconfig paths.default)
+       url=`hg showconfig paths.default`
        echo "Registering mercurial repo url: $url in $MR_CONFIG"
        mr -c "$MR_CONFIG" config "`pwd`" checkout="hg clone '$url' '$MR_REPO'"
 darcs_register = 
-       url=$(cat _darcs/prefs/defaultrepo)
+       url=`cat _darcs/prefs/defaultrepo`
        echo "Registering darcs repository $url in $MR_CONFIG"
        mr -c "$MR_CONFIG" config "`pwd`" checkout="darcs get '$url'p '$MR_REPO'"
 git_bare_register = 
-       url="$(LANG=C GIT_CONFIG=config git-config --get remote.origin.url)" || true
+       url="`LANG=C GIT_CONFIG=config git config --get remote.origin.url`" || true
        if [ -z "$url" ]; then
                error "cannot determine git url"
        fi