use a common style to show missing or already-installed ports (FS#1843)

i3-softdeps.md: slight rewording

doc/i3-softdeps.md

@@ -81,8 +81,8 @@ present state. That nobody bothered to propose such a dup is a clear indication
 that we are not going back to non-fluid Pkgfiles anytime soon. So either our 
 Pkgfiles have irrevocably become "just a bit" more complex (and therefore no 
 longer "simple"), or they are in fact the simplest way to accommodate the modern 
-software landscape. In the latter case, a KISS objection to any new logic in 
-prt-get is hypocritical. In the former case, it could be argued that two 
+software landscape. In the latter case, a KISS objection to the corresponding 
+logic in prt-get is hypocritical. In the former case, it could be argued that two 
 wrongs do not make a right, and the trend away from KISS Pkgfiles does not 
 justify making prt-get "just a bit" more complex. But then we would have an 
 awkward mismatch between the capabilities of prt-get, and the ports that it 

src/installtransaction.cpp

@@ -159,8 +159,9 @@ InstallTransaction::install( const ArgParser* parser )
 		} else if ( (! m_config->preferHigher())
 				|| parser->strictDiff() 
 				|| rpDiff == VersionComparator::GREATER 
-				|| parser->pkgmkArgs().find(forceRebuild) !=
-				string::npos ) {
+		|| ( parser->pkgmkArgs().find(forceRebuild) != string::npos &&
+		find(parser->otherArgs().begin(), parser->otherArgs().end(),
+			it->first) != parser->otherArgs().end() ) ) {
 			update = true;
 		} else {
 			continue;
@@ -465,9 +466,6 @@ bool InstallTransaction::calculateDependencies()
         const Package* package = it->second;
         if ( package ) {
             checkDependencies( false, package );
-        } else {
-            m_missingPackages.
-                  push_back( make_pair( it->first, string("") ) );
         }
     }
     list<int> indexList;
@@ -652,9 +650,8 @@ bool InstallTransaction::calcDependencies( )
 
     if ( validPackages and (!calculateDependencies()) ) {
         cout << "Could not resolve dependencies for this transaction" << endl;
-        return false;
     }
-    return true;
+    return validPackages;
 }
 
 const list<string>& InstallTransaction::ignoredPackages() const

src/prtget.cpp

@@ -568,7 +568,18 @@ void PrtGet::install( bool dependencies ) {
 	// early exit when dependencies cannot be satisfied
 	if (!depck) { return; }
 
-        const list<string>& deps = depTransaction.dependencies();
+        list<string> deps = depTransaction.dependencies();
+	const list< pair<string,string> >& depMissing = depTransaction.missing();
+	list< pair<string,string> >::const_iterator it = depMissing.begin();
+
+	// ensure that missing ports are retained for the 
+	// post-transaction summary (FS#1843). Exempt any ports that were
+	// installed manually or from repos that have since been deactivated.
+	for (; it != depMissing.end(); ++it) {
+	    if (! m_pkgDB->isInstalled(it->first)) {
+		    deps.push_back(it->first);
+	    }
+	}
 
         InstallTransaction transaction( deps, m_repo, m_pkgDB, m_config );
         executeTransaction( transaction );