use "isemptyupdate" method to check for updates with no matching installed package

diff --git a/examples/p5solv b/examples/p5solv
index 8a63631..cd24602 100755 (executable)
--- a/examples/p5solv
+++ b/examples/p5solv
@@ -600,11 +600,8 @@ if ($cmd eq 'install' || $cmd eq 'erase' || $cmd eq 'up' || $cmd eq 'dup' || $cm
   die("no package matched.\n") unless @jobs;
   for my $job (@jobs) {
     if ($cmd eq 'up') {
-      if ($job->{'how'} == $solv::Job::SOLVER_SOLVABLE_ALL || grep {$_->isinstalled()} $job->solvables()) {
-       $job->{'how'} |= $solv::Job::SOLVER_UPDATE;
-      } else {
-       $job->{'how'} |= $solv::Job::SOLVER_INSTALL;
-      }
+      $job->{'how'} |= $solv::Job::SOLVER_UPDATE;
+      $job->{'how'} ^= $solv::Job::SOLVER_UPDATE ^ $solv::Job::SOLVER_INSTALL if $job->isemptyupdate();
     } elsif ($cmd eq 'install') {
        $job->{'how'} |= $solv::Job::SOLVER_INSTALL;
     } elsif ($cmd eq 'erase') {

diff --git a/examples/pysolv b/examples/pysolv
index 4ad4ca4..41f5cda 100755 (executable)
--- a/examples/pysolv
+++ b/examples/pysolv
@@ -730,11 +730,10 @@ if cmd == 'install' or cmd == 'erase' or cmd == 'up' or cmd == 'dup' or cmd == '
         sys.exit(1)
     for job in jobs:
         if cmd == 'up':
+            job.how |= Job.SOLVER_UPDATE
             # up magic: use install instead of update if no installed package matches
-            if job.how == Job.SOLVER_SOLVABLE_ALL or filter(lambda s: s.isinstalled(), job.solvables()):
-                job.how |= Job.SOLVER_UPDATE
-            else:
-                job.how |= Job.SOLVER_INSTALL
+            if job.isemptyupdate():
+                job.how ^= Job.SOLVER_UPDATE ^ Job.SOLVER_INSTALL
         elif cmd == 'install':
             job.how |= Job.SOLVER_INSTALL
         elif cmd == 'erase':

diff --git a/examples/rbsolv b/examples/rbsolv
index 26e98e7..92edf8d 100755 (executable)
--- a/examples/rbsolv
+++ b/examples/rbsolv
@@ -613,11 +613,8 @@ if cmd == 'install' || cmd == 'erase' || cmd == 'up' || cmd == 'dup' || cmd == '
   abort("no package matched.") if jobs.empty?
   for job in jobs
     if cmd == 'up'
-      if job.how == Solv::Job::SOLVER_SOLVABLE_ALL || job.solvables.any? {|s| s.isinstalled?}
-       job.how |= Solv::Job::SOLVER_UPDATE
-      else
-       job.how |= Solv::Job::SOLVER_INSTALL
-      end
+      job.how |= Solv::Job::SOLVER_UPDATE
+      job.how ^= Solv::Job::SOLVER_UPDATE ^ Solv::Job::SOLVER_INSTALL if job.isemptyupdate?
     elsif cmd == 'install'
       job.how |= Solv::Job::SOLVER_INSTALL
     elsif cmd == 'erase'