support more format codes in the argument to 'dup'

expand man-page to explain some asymmetries

doc/prt-get.8

@@ -78,7 +78,7 @@ non-option argument passed. This is very similar to
 .B install [\-\-margs] [\-\-aargs] [\-\-log] [\-\-nodeps] [\-\-softdeps] <package1> [<package2> ...]
 Install or update the packages given on the command line. Note that you can do 
 this from any directory. Pass the --nodeps flag to prevent \fBprt\-get\fP from
-resolving dependencies and injecting any needed ports into the list of targets.
+resolving dependencies and injecting any needed packages into the list of targets.
 Pass the --softdeps flag if you want the dependency resolver to also consider
 the "Optional" relationships among the packages given on the command line.
 
@@ -236,15 +236,14 @@ order to show them all, add the --all switch.
 .SH ""
 
 .TP 
-.B dependent [\-\-softdeps] [\-\-all] <package>
-Print a list of ports which have
+.B dependent [\-\-recursive] [\-\-softdeps] [\-\-all] <package>
+Print a list of ports whose "Depends on:" line contains
 .B <package>
-in their "Depends on:" line. Use the --softdeps flag to also search the
-"Optional:" lines for \fB<package>\fP.
+(or its dependents, if --recursive is passed). Use the --softdeps flag to also
+search the "Optional:" lines for \fB<package>\fP .
  
 By default, output is restricted to ports that are installed. To see all the 
-dependencies, add the --all switch; use --recursive to get a recursive list 
-(without duplication), and --tree to get a nicely indented one.
+dependencies, add the --all switch. Use --tree to get a nicely indented list.
 
 .TP 
 .B dup [-v] [format]
@@ -257,7 +256,8 @@ particular combination of the recognized format symbols, namely
 
 .B '* %n\en   %p1 %v1 precedes over\en  %p2 %v2\en'.
 
-You can customize the output by combining these symbols in other ways.
+You can customize the output by passing a different format string, whose 
+symbols will be replaced as follows.
 
 .TP 
 \ \ \ \(bu
@@ -279,6 +279,21 @@ You can customize the output by combining these symbols in other ways.
 \ \ \ \(bu
 %v2 \-> version of port being hidden
 
+.TP 
+\ \ \ \(bu
+%M1 \-> maintainer of port taking precedence
+
+.TP
+\ \ \ \(bu
+%M2 \-> maintainer of port being hidden
+
+.TP 
+\ \ \ \(bu
+%u1 \-> URL of port taking precedence
+
+.TP
+\ \ \ \(bu
+%u2 \-> URL of port being hidden
 
 .TP 
 .B list [\-v|\-vv] [\-\-path] [\-\-regex] [filter]
@@ -292,7 +307,7 @@ for the list command. Make sure you escape where needed
 
 .TP 
 .B printf <format string1> [\-\-sort=<format string2>] [\-\-filter=<filter>]
-Print formatted port list format string can contain variables, which
+Print formatted port list. Format string can contain variables, which
 are replaced like this:
 .TP 
 \ \ \ \(bu
@@ -408,15 +423,14 @@ Print out a listing of the port's directory
 
 .TP
 .B cat <package> [<file>]
-Print out the file to stdout. If <file> is not specified, 'Pkgfile' is used.
-If set, uses $PAGER.
+Print to stdout (or $PAGER, if set) the contents of <file> in the port's
+directory. If <file> is not specified, 'Pkgfile' is used.
 
 .TP
 .B edit <package> [<file>]
 Edit the file using the editor specified in the $EDITOR environment variable.
 If <file> is not specified, 'Pkgfile' is used.
 
-
 .TP 
 .B help
 Show a help screen
@@ -495,7 +509,7 @@ Don't install these packages, even if they're listed as dependencies
 
 .TP
 .B \-\-nodeps
-Leave the list of requested ports as-is, without sorting by dependencies
+Leave the list of requested packages as-is, without sorting by dependencies
 or injecting missing dependencies.
 
 .TP
@@ -510,7 +524,7 @@ Use cache file for this command
 
 .TP 
 .B \-\-test
-Dry run, don't actually install anything, mostly interesting for
+Dry run, don't actually install anything. Mostly interesting for
 .B prt\-get install, prt\-get update, prt\-get sysup
 
 .TP 
@@ -523,7 +537,15 @@ Execute post-install script if it's there
 
 .TP 
 .B \-\-install\-scripts
-Execute pre-install and post-install script if they're there
+Execute pre-install and post-install script if they're there.
+
+The options --pre-install, --post-install, and --install-scripts offer a
+convenient way to temporarily override the prt-get.conf directive 'runscripts
+no', which was the historical default. Starting with CRUX 3.7, prt-get.conf is
+being shipped with 'runscripts yes'. To override this default at the command
+line, you have to pass the more cumbersome option --config-set=\(dqrunscripts
+no\(dq, or point prt-get to an alternative configuration file using
+--config=<file>. (see below for the documentation of these options)
 
 .TP
 .B \-\-install\-root=<dir>
@@ -552,7 +574,11 @@ install\fP command, or just copy the desired directives into
 
 .TP 
 .B \-\-log
-Write build output to log file
+Write build output to log file. Basically a convenient alias for
+\fB\-\-config\-set=\(dqwritelog enabled\(dq\fP. Note that there is no similar
+alias allowing you to temporarily override the configuration directive
+\(dqwritelog enabled\(dq; you have to resort to \fB\-\-config\-set=\(dqwritelog
+disabled\(dq\fP if that is your intention.
 
 .TP 
 .B \-\-no-std-config
@@ -572,7 +598,7 @@ Set <string> in configuration, overriding configuration file
 
 .TP 
 .B \-\-config=<file>
-Use alternative configuration file to read ports directories from
+Use <file> to read configuration directives, rather than /etc/prt-get.conf.
 
 .SH ""
 

src/prtget.cpp

@@ -246,7 +246,7 @@ void PrtGet::listShadowed() {
     if (m_parser->otherArgs().size() > 0)
         format = *(m_parser->otherArgs().begin());
     else if (m_parser->verbose() > 0)
-        format = "* %n\n  %p1 %v1 preceeds over \n  %p2 %v2\n";
+        format = "* %n\n  %p1 %v1 precedes over \n  %p2 %v2\n";
 
     string output;
     Package* p1;
@@ -264,6 +264,10 @@ void PrtGet::listShadowed() {
         StringHelper::replaceAll(output, "%p2", p2->path() + "/" + p2->name());
         StringHelper::replaceAll(output, "%v1", p1->versionReleaseString());
         StringHelper::replaceAll(output, "%v2", p2->versionReleaseString());
+        StringHelper::replaceAll(output, "%M1", p1->maintainer());
+        StringHelper::replaceAll(output, "%M2", p2->maintainer());
+        StringHelper::replaceAll(output, "%u1", p1->url());
+        StringHelper::replaceAll(output, "%u2", p2->url());
 
         StringHelper::replaceAll(output, "\\n", "\n");
         cout << output;