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add ability to skip doing eg, updates, more frequently than a specified number of...
[code/myrepos.git] / mr
diff --git a/mr b/mr
index 8eb0374babbca924fb65e2191f9c7a7ed64a707b..06829d2c9abaaddcdab5861cfadb6888c76ee8f5 100755 (executable)
--- a/mr
+++ b/mr
@@ -18,7 +18,7 @@ B<mr> [options] diff
 
 B<mr> [options] log
 
 
 B<mr> [options] log
 
-B<mr> [options] register repository
+B<mr> [options] register [repository]
 
 B<mr> [options] config section [parameter=[value] ...]
 
 
 B<mr> [options] config section [parameter=[value] ...]
 
@@ -80,14 +80,17 @@ List the repositories that mr will act on.
 
 =item register
 
 
 =item register
 
-The next parameter is the directory of an existing repository. The
-repository will be registered in the mrconfig file.
+Register an existing repository in the mrconfig file. By default, the
+epository in the current directory is registered, or you can specify a
+directory to register.
 
 =item config
 
 
 =item config
 
-Modifies the mrconfig file. The next parameter is the name of the section
-to add or modify, and it is followed by one or more instances of
-"parameter=value". Use "parameter=" to remove a parameter. 
+Adds, modifies, removed, or prints a value from the mrconfig file. The next
+parameter is the name of the section the value is in. To add or modify a
+value, follow it by one or more instances of "parameter=value". Use
+"parameter=" to remove a parameter. Use just "parameter" to get the value
+of a parameter.
 
 For example, to add (or edit) a repository in src/foo:
 
 
 For example, to add (or edit) a repository in src/foo:
 
@@ -177,7 +180,16 @@ A few parameters have special meanings:
 =item skip
 
 If the "skip" parameter is set and its command returns nonzero, then B<mr>
 =item skip
 
 If the "skip" parameter is set and its command returns nonzero, then B<mr>
-will skip acting on that repository.
+will skip acting on that repository. The command is passed the action
+name in $1.
+
+Here are two examples. The first skips the repo unless
+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 = [ "$1" = update ] && [ $(hours_since "$1") -lt 12 ]
 
 =item chain
 
 
 =item chain
 
@@ -281,16 +293,21 @@ elsif ($action eq 'config') {
                        $section=$1;
                }
        }
                        $section=$1;
                }
        }
-       my %fields;
+       my %changefields;
        foreach (@ARGV) {
                if (/^([^=]+)=(.*)$/) {
        foreach (@ARGV) {
                if (/^([^=]+)=(.*)$/) {
-                       $fields{$1}=$2;
+                       $changefields{$1}=$2;
                }
                else {
                }
                else {
-                       die "mr config: expected parameter=value, not \"$_\"\n";
+                       foreach my $topdir (sort keys %config) {
+                               if (exists $config{$topdir}{$section} &&
+                                   exists $config{$topdir}{$section}{$_}) {
+                                       print $config{$topdir}{$section}{$_}."\n";
+                               }
+                       }
                }
        }
                }
        }
-       modifyconfig($config, $section, %fields);
+       modifyconfig($config, $section, %changefields) if %changefields;
        exit 0;
 }
 elsif ($action eq 'register') {
        exit 0;
 }
 elsif ($action eq 'register') {
@@ -346,7 +363,7 @@ sub action {
 
        if (exists $config{$topdir}{$subdir}{deleted}) {
                if (! -d $dir) {
 
        if (exists $config{$topdir}{$subdir}{deleted}) {
                if (! -d $dir) {
-                       next;
+                       return;
                }
                else {
                        my $test="set -e;".$lib.$config{$topdir}{$subdir}{deleted};
                }
                else {
                        my $test="set -e;".$lib.$config{$topdir}{$subdir}{deleted};
@@ -377,7 +394,8 @@ sub action {
        $ENV{MR_REPO}=$dir;
 
        if (exists $config{$topdir}{$subdir}{skip}) {
        $ENV{MR_REPO}=$dir;
 
        if (exists $config{$topdir}{$subdir}{skip}) {
-               my $test="set -e;".$lib.$config{$topdir}{$subdir}{skip};
+               my $test="set -e;".$lib.
+                       "my_action(){ $config{$topdir}{$subdir}{skip}\n }; my_action '$action'";
                print "mr $action: running skip test >>$test<<\n" if $verbose;
                my $ret=system($test);
                if ($ret >> 8 == 0) {
                print "mr $action: running skip test >>$test<<\n" if $verbose;
                my $ret=system($test);
                if ($ret >> 8 == 0) {
@@ -463,6 +481,10 @@ sub loadconfig {
                $dir="";
        }
        else {
                $dir="";
        }
        else {
+               if (! -e $f) {
+                       return;
+               }
+
                my $absf=abs_path($f);
                if ($loaded{$absf}) {
                        return;
                my $absf=abs_path($f);
                if ($loaded{$absf}) {
                        return;
@@ -551,14 +573,28 @@ sub modifyconfig {
        my %changefields=@_;
 
        my @lines;
        my %changefields=@_;
 
        my @lines;
+       my @out;
+
        if (-e $f) {
                open(my $in, "<", $f) || die "mr: open $f: $!\n";
                @lines=<$in>;
                close $in;
        }
 
        if (-e $f) {
                open(my $in, "<", $f) || die "mr: open $f: $!\n";
                @lines=<$in>;
                close $in;
        }
 
+       my $addfields=sub {
+               my @blanks;
+               while ($out[$#out] =~ /^\s*$/) {
+                       unshift @blanks, pop @out;
+               }
+               foreach my $field (sort keys %changefields) {
+                       if (length $changefields{$field}) {
+                               push @out, "$field = $changefields{$field}\n";
+                       }
+               }
+               push @out, @blanks;
+       };
+
        my $section;
        my $section;
-       my @out;
        while (@lines) {
                $_=shift(@lines);
 
        while (@lines) {
                $_=shift(@lines);
 
@@ -568,16 +604,7 @@ sub modifyconfig {
                elsif (/^\s*\[([^\]]*)\]\s*$/) {
                        if (defined $section && 
                            $section eq $targetsection) {
                elsif (/^\s*\[([^\]]*)\]\s*$/) {
                        if (defined $section && 
                            $section eq $targetsection) {
-                               my @blanks;
-                               while ($out[$#out] =~ /^\s*$/) {
-                                       unshift @blanks, pop @out;
-                               }
-                               foreach my $field (sort keys %changefields) {
-                                       if (length $changefields{$field}) {
-                                               push @out, "$field = $changefields{$field}\n";
-                                       }
-                               }
-                               push @out, @blanks;
+                               $addfields->();
                        }
 
                        $section=$1;
                        }
 
                        $section=$1;
@@ -607,7 +634,11 @@ sub modifyconfig {
                }
        }
 
                }
        }
 
-       if (%changefields) {
+       if (defined $section && 
+           $section eq $targetsection) {
+                       $addfields->();
+       }
+       elsif (%changefields) {
                push @out, "\n[$targetsection]\n";
                foreach my $field (sort keys %changefields) {
                        if (length $changefields{$field}) {
                push @out, "\n[$targetsection]\n";
                foreach my $field (sort keys %changefields) {
                        if (length $changefields{$field}) {
@@ -630,80 +661,92 @@ __DATA__
        ls = list
 
 [DEFAULT]
        ls = list
 
 [DEFAULT]
-lib =                                                  \
-       error() {                                       \
-               echo "mr: $@" >&2                       \
-               exit 1                                  \
+lib =                                                                  \
+       error() {                                                       \
+               echo "mr: $@" >&2                                       \
+               exit 1                                                  \
+       }                                                               \
+       hours_since() {                                                 \
+               for dir in .git .svn .bzr CVS; do                       \
+                       if [ -e "$MR_REPO/$dir" ]; then                 \
+                               flagfile="$MR_REPO/$dir/.mr_last$1"     \
+                               break                                   \
+                       fi                                              \
+               done                                                    \
+               if [ -z "$flagfile" ]; then                             \
+                       error "cannot determine flag filename"          \
+               fi                                                      \
+               perl -wle 'print -f shift() ? int((-M _) * 24) : 9999' "$flagfile" \
+               touch "$flagfile"                                       \
        }
 
        }
 
-update =                                               \
-       if [ -d "$MR_REPO"/.svn ]; then                 \
-               svn update "$@"                         \
-       elif [ -d "$MR_REPO"/.git ]; then               \
-               git pull origin master "$@"             \
-       elif [ -d "$MR_REPO"/.bzr ]; then               \
-               bzr merge "$@"                          \
-       elif [ -d "$MR_REPO"/CVS ]; then                \
-               cvs update "$@"                         \
-       else                                            \
-               error "unknown repo type"               \
+update =                                                               \
+       if [ -d "$MR_REPO"/.svn ]; then                                 \
+               svn update "$@"                                         \
+       elif [ -d "$MR_REPO"/.git ]; then                               \
+               git pull origin master "$@"                             \
+       elif [ -d "$MR_REPO"/.bzr ]; then                               \
+               bzr merge "$@"                                          \
+       elif [ -d "$MR_REPO"/CVS ]; then                                \
+               cvs update "$@"                                         \
+       else                                                            \
+               error "unknown repo type"                               \
        fi
        fi
-status =                                               \
-       if [ -d "$MR_REPO"/.svn ]; then                 \
-               svn status "$@"                         \
-       elif [ -d "$MR_REPO"/.git ]; then               \
-               git status "$@" || true                 \
-       elif [ -d "$MR_REPO"/.bzr ]; then               \
-               bzr status "$@"                         \
-       elif [ -d "$MR_REPO"/CVS ]; then                \
-               cvs status "$@"                         \
-       else                                            \
-               error "unknown repo type"               \
+status =                                                               \
+       if [ -d "$MR_REPO"/.svn ]; then                                 \
+               svn status "$@"                                         \
+       elif [ -d "$MR_REPO"/.git ]; then                               \
+               git status "$@" || true                                 \
+       elif [ -d "$MR_REPO"/.bzr ]; then                               \
+               bzr status "$@"                                         \
+       elif [ -d "$MR_REPO"/CVS ]; then                                \
+               cvs status "$@"                                         \
+       else                                                            \
+               error "unknown repo type"                               \
        fi
        fi
-commit =                                               \
-       if [ -d "$MR_REPO"/.svn ]; then                 \
-               svn commit "$@"                         \
-       elif [ -d "$MR_REPO"/.git ]; then               \
-               git commit -a "$@" && git push --all    \
-       elif [ -d "$MR_REPO"/.bzr ]; then               \
-               bzr commit "$@" && bzr push             \
-       elif [ -d "$MR_REPO"/CVS ]; then                \
-               cvs commit "$@"                         \
-       else                                            \
-               error "unknown repo type"               \
+commit =                                                               \
+       if [ -d "$MR_REPO"/.svn ]; then                                 \
+               svn commit "$@"                                         \
+       elif [ -d "$MR_REPO"/.git ]; then                               \
+               git commit -a "$@" && git push --all                    \
+       elif [ -d "$MR_REPO"/.bzr ]; then                               \
+               bzr commit "$@" && bzr push                             \
+       elif [ -d "$MR_REPO"/CVS ]; then                                \
+               cvs commit "$@"                                         \
+       else                                                            \
+               error "unknown repo type"                               \
        fi
        fi
-diff =                                                 \
-       if [ -d "$MR_REPO"/.svn ]; then                 \
-               svn diff "$@"                           \
-       elif [ -d "$MR_REPO"/.git ]; then               \
-               git diff "$@"                           \
-       elif [ -d "$MR_REPO"/.bzr ]; then               \
-               bzr diff "$@"                           \
-       elif [ -d "$MR_REPO"/CVS ]; then                \
-               cvs diff "$@"                           \
-       else                                            \
-               error "unknown repo type"               \
+diff =                                                                 \
+       if [ -d "$MR_REPO"/.svn ]; then                                 \
+               svn diff "$@"                                           \
+       elif [ -d "$MR_REPO"/.git ]; then                               \
+               git diff "$@"                                           \
+       elif [ -d "$MR_REPO"/.bzr ]; then                               \
+               bzr diff "$@"                                           \
+       elif [ -d "$MR_REPO"/CVS ]; then                                \
+               cvs diff "$@"                                           \
+       else                                                            \
+               error "unknown repo type"                               \
        fi
        fi
-log =                                                  \
-       if [ -d "$MR_REPO"/.svn ]; then                 \
-               svn log"$@"                             \
-       elif [ -d "$MR_REPO"/.git ]; then               \
-               git log "$@"                            \
-       elif [ -d "$MR_REPO"/.bzr ]; then               \
-               bzr log "$@"                            \
-       elif [ -d "$MR_REPO"/CVS ]; then                \
-               cvs log "$@"                            \
-       else                                            \
-               error "unknown repo type"               \
+log =                                                                  \
+       if [ -d "$MR_REPO"/.svn ]; then                                 \
+               svn log"$@"                                             \
+       elif [ -d "$MR_REPO"/.git ]; then                               \
+               git log "$@"                                            \
+       elif [ -d "$MR_REPO"/.bzr ]; then                               \
+               bzr log "$@"                                            \
+       elif [ -d "$MR_REPO"/CVS ]; then                                \
+               cvs log "$@"                                            \
+       else                                                            \
+               error "unknown repo type"                               \
        fi
 register =                                                             \
        fi
 register =                                                             \
-       if [ -z "$1" ]; then                                            \
-               error "repository directory not specified"              \
+       if [ -n "$1" ]; then                                            \
+               cd "$1"                                                 \
        fi                                                              \
        fi                                                              \
-       cd "$1"                                                         \
        basedir="$(basename $(pwd))"                                    \
        if [ -d .svn ]; then                                            \
        basedir="$(basename $(pwd))"                                    \
        if [ -d .svn ]; then                                            \
-               url=$(svn info . |                                      \
+               url=$(LANG=C svn info . |                               \
                      grep -i ^URL: | cut -d ' ' -f 2)                  \
                if [ -z "$url" ]; then                                  \
                        error "cannot determine svn url"                \
                      grep -i ^URL: | cut -d ' ' -f 2)                  \
                if [ -z "$url" ]; then                                  \
                        error "cannot determine svn url"                \
@@ -711,22 +754,29 @@ register =                                                                \
                echo "Registering svn url: $url"                        \
                mr config "$(pwd)" checkout="svn co $url $basedir"      \
        elif [ -d .git ]; then                                          \
                echo "Registering svn url: $url"                        \
                mr config "$(pwd)" checkout="svn co $url $basedir"      \
        elif [ -d .git ]; then                                          \
-               url=$(git-config --get remote.origin.url)               \
+               url=$(LANG=C git-config --get remote.origin.url)        \
                if [ -z "$url" ]; then                                  \
                        error "cannot determine git url"                \
                fi                                                      \
                echo "Registering git url: $url"                        \
                mr config "$(pwd)" checkout="git clone $url $basedir"   \
                if [ -z "$url" ]; then                                  \
                        error "cannot determine git url"                \
                fi                                                      \
                echo "Registering git url: $url"                        \
                mr config "$(pwd)" checkout="git clone $url $basedir"   \
+       elif [ -d .bzr ]; then                                          \
+               url=$(cat .bzr/branch/parent)                           \
+               if [ -z "$url" ]; then                                  \
+                       error "cannot determine bzr url"                \
+               fi                                                      \
+               echo "Registering bzr url: $url"                        \
+               mr config "$(pwd)" checkout="bzr clone $url $basedir"   \
        else                                                            \
                error "unable to register this repo type"               \
        fi
 list = true
 config = 
        else                                                            \
                error "unable to register this repo type"               \
        fi
 list = true
 config = 
-help =                                                 \
-       if [ ! -e "$MR_PATH" ]; then                    \
-               error "cannot find program path"        \
-       fi                                              \
-       (pod2man -c mr "$MR_PATH" | man -l -) ||        \
+help =                                                                 \
+       if [ ! -e "$MR_PATH" ]; then                                    \
+               error "cannot find program path"                        \
+       fi                                                              \
+       (pod2man -c mr "$MR_PATH" | man -l -) ||                        \
                error "pod2man or man failed"
 
 ed = echo "A horse is a horse, of course, of course.."
                error "pod2man or man failed"
 
 ed = echo "A horse is a horse, of course, of course.."
hacking on myrepos

Legalese

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