add back a long-lost example

[code/myrepos.git] / mr

diff --git a/mr b/mr
index 6cac30c99bb8dfafa9badc7299d9064915be92c0..4235151895fa70daf0e917de9f9006b326aa3277 100755 (executable)
--- a/mr
+++ b/mr
@@ -222,10 +222,9 @@ Be verbose.
 
 =item --quiet
 
 
 =item --quiet
 

-Be quiet. This supresses mr's usual output. Any output from the
-commands that mr runs will still be displayed.
-
-For example, to see only uncommitted changes, use "mr -q status"
+Be quiet. This supresses mr's usual output, as well as any output from
+commands that are run (including stderr output). If a command fails,
+the output will be shown.

 
 =item -k
 
 
 =item -k
 


@@ -630,14 +629,16 @@ sub action {
                }
        }
        else {
                }
        }
        else {

+               my $actionmsg;

                if (! $no_chdir) {
                if (! $no_chdir) {

-                       print "mr $action: $fulldir\n" unless $quiet;
+                       $actionmsg="mr $action: $fulldir";

                }
                else {
                        my $s=$directory;
                        $s=~s/^\Q$fulldir\E\/?//;
                }
                else {
                        my $s=$directory;
                        $s=~s/^\Q$fulldir\E\/?//;

-                       print "mr $action: $fulldir (in subdir $s)\n" unless $quiet;
+                       $actionmsg="mr $action: $fulldir (in subdir $s)";

                }
                }

+               print "$actionmsg\n" unless $quiet;

 
                my $hookret=hook("pre_$action", $topdir, $subdir);
                return $hookret if $hookret != OK;
 
                my $hookret=hook("pre_$action", $topdir, $subdir);
                return $hookret if $hookret != OK;


@@ -646,7 +647,18 @@ sub action {
                        "my_action(){ $command\n }; my_action ".
                        join(" ", map { s/\\/\\\\/g; s/"/\"/g; '"'.$_.'"' } @ARGV);
                print "mr $action: running >>$command<<\n" if $verbose;
                        "my_action(){ $command\n }; my_action ".
                        join(" ", map { s/\\/\\\\/g; s/"/\"/g; '"'.$_.'"' } @ARGV);
                print "mr $action: running >>$command<<\n" if $verbose;

-               my $ret=system($command);
+               my $ret;
+               if ($quiet) {
+                       my $output = qx/$command 2>&1/;
+                       $ret = $?;
+                       if ($ret != 0) {
+                               print "$actionmsg\n";
+                               print STDERR $output;
+                       }
+               }
+               else {
+                       $ret=system($command);
+               }

                if ($ret != 0) {
                        if (($? & 127) == 2) {
                                print STDERR "mr $action: interrupted\n";
                if ($ret != 0) {
                        if (($? & 127) == 2) {
                                print STDERR "mr $action: interrupted\n";


@@ -702,7 +714,17 @@ sub hook {
        my $shell="set -e;".$lib.
                "my_hook(){ $command\n }; my_hook";
        print "mr $hook: running >>$shell<<\n" if $verbose;
        my $shell="set -e;".$lib.
                "my_hook(){ $command\n }; my_hook";
        print "mr $hook: running >>$shell<<\n" if $verbose;

-       my $ret=system($shell);
+       my $ret;
+       if ($quiet) {
+               my $output = qx/$shell 2>&1/;
+               $ret = $?;
+               if ($ret != 0) {
+                       print STDERR $output;
+               }
+       }
+       else {
+               $ret=system($shell);
+       }

        if ($ret != 0) {
                if (($? & 127) == 2) {
                        print STDERR "mr $hook: interrupted\n";
        if ($ret != 0) {
                if (($? & 127) == 2) {
                        print STDERR "mr $hook: interrupted\n";


@@ -1034,14 +1056,24 @@ sub is_trusted_checkout {
 }
 
 sub trusterror {
 }
 
 sub trusterror {

-       die shift()."\n".
-               "(To trust this file, list it in ~/.mrtrust.)\n";
+       my ($err, $file, $line, $url)=@_;
+       
+       if (defined $url) {
+               die "$err in untrusted $url line $line\n".
+                       "(To trust this url, --trust-all can be used; but please use caution;\n".
+                       "this can allow arbitrary code execution!)\n";
+       }
+       else {
+               die "$err in untrusted $file line $line\n".
+                       "(To trust this file, list it in ~/.mrtrust.)\n";
+       }

 }
 
 my %loaded;
 sub loadconfig {
        my $f=shift;
        my $dir=shift;
 }
 
 my %loaded;
 sub loadconfig {
        my $f=shift;
        my $dir=shift;

+       my $bootstrap_url=shift;

 
        my @toload;
 
 
        my @toload;
 


@@ -1053,10 +1085,6 @@ sub loadconfig {
                $trusted=1;
        }
        else {
                $trusted=1;
        }
        else {

-               if (! -e $f) {
-                       return;
-               }
-

                my $absf=abs_path($f);
                if ($loaded{$absf}) {
                        return;
                my $absf=abs_path($f);
                if ($loaded{$absf}) {
                        return;


@@ -1091,6 +1119,10 @@ sub loadconfig {
                        }
                }
                
                        }
                }
                

+               if (! -e $f) {
+                       return;
+               }
+

                print "mr: loading config $f\n" if $verbose;
                open($in, "<", $f) || die "mr: open $f: $!\n";
        }
                print "mr: loading config $f\n" if $verbose;
                open($in, "<", $f) || die "mr: open $f: $!\n";
        }


@@ -1111,7 +1143,7 @@ sub loadconfig {
                                if (! is_trusted_repo($section) ||
                                    $section eq 'ALIAS' ||
                                    $section eq 'DEFAULT') {
                                if (! is_trusted_repo($section) ||
                                    $section eq 'ALIAS' ||
                                    $section eq 'DEFAULT') {

-                                       trusterror "mr: illegal section \"[$section]\" in untrusted $f line $line";
+                                       trusterror("mr: illegal section \"[$section]\"", $f, $line, $bootstrap_url)

                                }
                        }
                        $section=expandenv($section) if $trusted;
                                }
                        }
                        $section=expandenv($section) if $trusted;


@@ -1138,10 +1170,10 @@ sub loadconfig {
                                # Untrusted files can only contain checkout
                                # parameters.
                                if ($parameter ne 'checkout') {
                                # Untrusted files can only contain checkout
                                # parameters.
                                if ($parameter ne 'checkout') {

-                                       trusterror "mr: illegal setting \"$parameter=$value\" in untrusted $f line $line";
+                                       trusterror("mr: illegal setting \"$parameter=$value\"", $f, $line, $bootstrap_url);

                                }
                                if (! is_trusted_checkout($value)) {
                                }
                                if (! is_trusted_checkout($value)) {

-                                       trusterror "mr: illegal checkout command \"$value\" in untrusted $f line $line";
+                                       trusterror("mr: illegal checkout command \"$value\"", $f, $line, $bootstrap_url);

                                }
                        }
 
                                }
                        }
 


@@ -1452,7 +1484,7 @@ sub bootstrap {
        # would normally be skipped.
        my $topdir=abs_path(".")."/";
        my @repo=($topdir, $topdir, ".");
        # would normally be skipped.
        my $topdir=abs_path(".")."/";
        my @repo=($topdir, $topdir, ".");

-       loadconfig($tmpconfig, $topdir);
+       loadconfig($tmpconfig, $topdir, $url);

        record(\@repo, action("checkout", @repo, 1))
                if exists $config{$topdir}{"."}{"checkout"};
 
        record(\@repo, action("checkout", @repo, 1))
                if exists $config{$topdir}{"."}{"checkout"};