* handle exceptions at pisi-install CLI

pisi-install

@@ -38,13 +38,13 @@ def main():
     else:
     	package_fn = args[0]
 
-#    try:
+    try:
         ui.info('* Installing ' + package_fn)
         pisi.install.install(package_fn)
-#    except pisi.install.InstallError, (errno, errstr):
-#        print '*** An installation error has occured:'
-#        print '    ', errstr
-#        sys.exit(1)
+    except pisi.install.InstallError, estr:
+        print '*** An installation error has occured:'
+        print '    ', estr
+        sys.exit(1)
 
 if __name__ == "__main__":
     main()

pisi/dependency.py

@@ -39,7 +39,8 @@ def installable(pkg):
     """calculate if pkg is installable currently 
     which means it has to satisfy both install and runtime dependencies"""
     if not packagedb.has_package(pkg):
-        ui.info("package " + pkg + " not installable");
+        ui.info("package " + pkg +
+                " is not installable due to lacking dependencies\n");
         return False
     else:
         return satisfiesRuntimeDeps(pkg) and satisfiesInstallDeps(pkg)