[setup - the official Cygwin setup program] branch topic/libsolv, updated. release_2.881-38-gf51bbe6

[setup - the official Cygwin setup program] branch topic/libsolv, updated. release_2.881-38-gf51bbe6

[jturney]

https://sourceware.org/git/gitweb.cgi?p=cygwin-apps/setup.git;h=f51bbe6b1fbbf96d25560aa9e0f2ba8b023e846e

commit f51bbe6b1fbbf96d25560aa9e0f2ba8b023e846e
Author: Jon Turney <jon.turney@dronecode.org.uk>
Date:   Sat Sep 30 23:23:29 2017 +0100

    Non-existent source packages aren't accessible for installation
    
    Prevent the src checkbox appearing for source packages which don't exist


Diff:
---
 libsolv.cc |   17 ++++++++++++-----
 1 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/libsolv.cc b/libsolv.cc
index 6b40716..70d6ab4 100644
--- a/libsolv.cc
+++ b/libsolv.cc
@@ -220,12 +220,19 @@ SolvableVersion::source() const
 bool
 SolvableVersion::accessible () const
 {
-  // XXX: accessible if archive is locally available, or we know a mirror
+  // (This seems utterly pointless.
   //
-  // (This seems utterly pointless.  Packages which aren't locally available are
-  // removed from the package list.  Packages we don't know a mirror for don't
-  // appear in the packagelist.)
-  return TRUE;
+  // For binary pacakges, if we aren't downloading, packages which aren't
+  // locally available are removed from the package list.  If we are
+  // downloading, packages we don't know a mirror for never get to appear in the
+  // package list.
+  //
+  // For source packages, it's equivalent to the bool conversion operator.)
+  //
+  if (id != 0)
+    return TRUE;
+  else
+    return FALSE;
 }
 
 package_stability_t