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allow aliases to override defined commands
[code/myrepos.git] / mr
diff --git a/mr b/mr
index 09c388e80559f76cf0b56ebdf6b3d8d0eac44bbb..01a9feb6ae1001e8c97258423832202fd25f4e82 100755 (executable)
--- a/mr
+++ b/mr
@@ -70,7 +70,7 @@ Show a diff of uncommitted changes.
 
 Show the commit log.
 
 
 Show the commit log.
 
-=item list
+=item list (or ls)
 
 List the repositories that mr will act on.
 
 
 List the repositories that mr will act on.
 
@@ -120,11 +120,22 @@ registers several additional repositories.
 
 The .mrconfig file uses a variant of the INI file format. Lines starting with
 "#" are comments. Lines ending with "\" are continued on to the next line.
 
 The .mrconfig file uses a variant of the INI file format. Lines starting with
 "#" are comments. Lines ending with "\" are continued on to the next line.
-Sections specify where each repository is located, relative to the
+
+The "default" section allows setting default values for the sections that
+come after it.
+
+The "alias" section allows adding aliases for actions. Each parameter
+is an alias, and its value is the action to use.
+
+All other sections specify where each repository is located, relative to the
 directory that contains the .mrconfig file.
 
 Within a section, each parameter defines a shell command to run to handle a
 directory that contains the .mrconfig file.
 
 Within a section, each parameter defines a shell command to run to handle a
-given action. Note that these shell commands are run in a "set -e" shell
+given action. mr contains default handlers for the "update", "status", and
+"commit" actions, so normally you only need to specify what to do for
+"checkout".
+
+Note that these shell commands are run in a "set -e" shell
 environment, where any additional parameters you pass are available in
 "$@". The "checkout" command is run in the parent of the repository
 directory, since the repository isn't checked out yet. All other commands
 environment, where any additional parameters you pass are available in
 "$@". The "checkout" command is run in the parent of the repository
 directory, since the repository isn't checked out yet. All other commands
@@ -138,16 +149,8 @@ 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.) The
 "lib" parameter can specify some shell code that will be run before each
 will try to load a .mrconfig file from the root of the repository. (You
 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 "alias" section allows adding aliases for commands. Each parameter
-is an alias, and its value is the command to run.
+command, this can be a useful way to define shell functions for other commands
+to use.
 
 For example:
 
 
 For example:
 
@@ -215,24 +218,22 @@ eval {
 
 # alias expansion and command stemming
 my $action=shift @ARGV;
 
 # alias expansion and command stemming
 my $action=shift @ARGV;
+if (exists $alias{$action}) {
+       $action=$alias{$action};
+}
 if (! exists $knownactions{$action}) {
 if (! exists $knownactions{$action}) {
-       if (exists $alias{$action}) {
-               $action=$alias{$action};
+       my @matches = grep { /^\Q$action\E/ }
+               keys %knownactions, keys %alias;
+       if (@matches == 1) {
+               $action=$matches[0];
+       }
+       elsif (@matches == 0) {
+               die "mr: unknown action \"$action\" (known actions: ".
+                       join(", ", sort keys %knownactions).")\n";
        }
        else {
        }
        else {
-               my @matches = grep { /^\Q$action\E/ }
-                       keys %knownactions, keys %alias;
-               if (@matches == 1) {
-                       $action=$matches[0];
-               }
-               elsif (@matches == 0) {
-                       die "mr: unknown action \"$action\" (known actions: ".
-                               join(", ", sort keys %knownactions).")\n";
-               }
-               else {
-                       die "mr: ambiguous action \"$action\" (matches: ".
-                               join(", ", @matches).")\n";
-               }
+               die "mr: ambiguous action \"$action\" (matches: ".
+                       join(", ", @matches).")\n";
        }
 }
 
        }
 }
 
@@ -295,21 +296,23 @@ sub action {
        }
        
        $ENV{MR_REPO}=$dir;
        }
        
        $ENV{MR_REPO}=$dir;
-       if (! $nochdir && ! chdir($dir)) {
-               print STDERR "mr $action: failed to chdir to $dir: $!\n";
-               push @skipped, $dir;
-       }
 
        if (exists $config{$topdir}{$subdir}{skip}) {
 
        if (exists $config{$topdir}{$subdir}{skip}) {
-               my $ret=system($lib.$config{$topdir}{$subdir}{skip});
+               my $test="set -e;".$lib.$config{$topdir}{$subdir}{skip};
+               print "mr $action: running skip test $test\n" if $verbose;
+               my $ret=system($test);
                if ($ret >> 8 == 0) {
                        print "mr $action: $dir skipped per config file\n" if $verbose;
                        push @skipped, $dir;
                        return;
                }
        }
                if ($ret >> 8 == 0) {
                        print "mr $action: $dir skipped per config file\n" if $verbose;
                        push @skipped, $dir;
                        return;
                }
        }
-
-       if (! exists $config{$topdir}{$subdir}{$action}) {
+       
+       if (! $nochdir && ! chdir($dir)) {
+               print STDERR "mr $action: failed to chdir to $dir: $!\n";
+               push @failed, $dir;
+       }
+       elsif (! exists $config{$topdir}{$subdir}{$action}) {
                print STDERR "mr $action: no defined $action command for $topdir$subdir, skipping\n";
                push @skipped, $dir;
        }
                print STDERR "mr $action: no defined $action command for $topdir$subdir, skipping\n";
                push @skipped, $dir;
        }
@@ -323,9 +326,10 @@ sub action {
                my $command="set -e; ".$lib.
                        "my_action(){ $config{$topdir}{$subdir}{$action} ; }; my_action ".
                        join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
                my $command="set -e; ".$lib.
                        "my_action(){ $config{$topdir}{$subdir}{$action} ; }; my_action ".
                        join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
+               print STDERR "mr $action: running $command\n" if $verbose;
                my $ret=system($command);
                if ($ret != 0) {
                my $ret=system($command);
                if ($ret != 0) {
-                       print STDERR "mr $action: failed to run: $command\n" if $verbose;
+                       print STDERR "mr $action: failed ($ret)\n" if $verbose;
                        push @failed, $topdir.$subdir;
                        if ($ret >> 8 != 0) {
                                print STDERR "mr $action: command failed\n";
                        push @failed, $topdir.$subdir;
                        if ($ret >> 8 != 0) {
                                print STDERR "mr $action: command failed\n";
@@ -466,17 +470,22 @@ __DATA__
 [alias]
        co = checkout
        ci = commit
 [alias]
        co = checkout
        ci = commit
+       ls = list
+
 [default]
 lib = \
        error() { \
                echo "mr: $@" >&2; \
                exit 1; \
        }
 [default]
 lib = \
        error() { \
                echo "mr: $@" >&2; \
                exit 1; \
        }
+
 update = \
        if [ -d "$MR_REPO"/.svn ]; then \
                svn update "$@"; \
        elif [ -d "$MR_REPO"/.git ]; then \
                git pull origin master "$@"; \
 update = \
        if [ -d "$MR_REPO"/.svn ]; then \
                svn update "$@"; \
        elif [ -d "$MR_REPO"/.git ]; then \
                git pull origin master "$@"; \
+       elif [ -d "$MR_REPO"/CVS ]; then \
+               cvs update "$@"; \
        else \
                error "unknown repo type"; \
        fi
        else \
                error "unknown repo type"; \
        fi
@@ -485,6 +494,8 @@ status = \
                svn status "$@"; \
        elif [ -d "$MR_REPO"/.git ]; then \
                git status "$@" || true; \
                svn status "$@"; \
        elif [ -d "$MR_REPO"/.git ]; then \
                git status "$@" || true; \
+       elif [ -d "$MR_REPO"/CVS ]; then \
+               cvs status "$@"; \
        else \
                error "unknown repo type"; \
        fi
        else \
                error "unknown repo type"; \
        fi
@@ -493,6 +504,8 @@ commit = \
                svn commit "$@"; \
        elif [ -d "$MR_REPO"/.git ]; then \
                git commit -a "$@" && git push --all; \
                svn commit "$@"; \
        elif [ -d "$MR_REPO"/.git ]; then \
                git commit -a "$@" && git push --all; \
+       elif [ -d "$MR_REPO"/CVS ]; then \
+               cvs commit "$@"; \
        else \
                error "unknown repo type"; \
        fi
        else \
                error "unknown repo type"; \
        fi
@@ -501,6 +514,8 @@ diff = \
                svn diff "$@"; \
        elif [ -d "$MR_REPO"/.git ]; then \
                git diff "$@"; \
                svn diff "$@"; \
        elif [ -d "$MR_REPO"/.git ]; then \
                git diff "$@"; \
+       elif [ -d "$MR_REPO"/CVS ]; then \
+               cvs diff "$@"; \
        else \
                error "unknown repo type"; \
        fi
        else \
                error "unknown repo type"; \
        fi
@@ -509,13 +524,19 @@ log = \
                svn log"$@"; \
        elif [ -d "$MR_REPO"/.git ]; then \
                git log "$@"; \
                svn log"$@"; \
        elif [ -d "$MR_REPO"/.git ]; then \
                git log "$@"; \
+       elif [ -d "$MR_REPO"/CVS ]; then \
+               cvs log "$@"; \
        else \
                error "unknown repo type"; \
        fi
 list = true
        else \
                error "unknown repo type"; \
        fi
 list = true
+
 help = \
        if [ ! -e "$MR_PATH" ]; then \
                error "cannot find program path";\
        fi; \
        (pod2man -c mr "$MR_PATH" | man -l -) || \
                error "pod2man or man failed"
 help = \
        if [ ! -e "$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.."
+T = echo "I pity the fool."
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.