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-rw-r--r--brep/package17
1 files changed, 13 insertions, 4 deletions
diff --git a/brep/package b/brep/package
index 5cfbd45..a193c16 100644
--- a/brep/package
+++ b/brep/package
@@ -157,10 +157,13 @@ namespace brep
bool
empty () const noexcept
{
- bool e (canonical_upstream.empty ());
- assert (!e ||
- (epoch == 0 && canonical_release.empty () && revision == 0));
- return e;
+ // Note that an empty canonical_upstream doesn't denote an empty
+ // canonical_version. Remeber, that canonical_upstream doesn't include
+ // rightmost digit-only zero components? So non-empty version("0") has
+ // an empty canonical_upstream.
+ //
+ return epoch == 0 && canonical_upstream.empty () &&
+ canonical_release.empty () && revision == 0;
}
// Change collation to ensure the proper comparison of the "absent" release
@@ -201,6 +204,12 @@ namespace brep
}
};
+ // Wildcard version. Satisfies any dependency constraint and is represented
+ // as 0+0 (which is also the "stub version"; since a real version is always
+ // greater than the stub version, we reuse it to signify a special case).
+ //
+ extern const version wildcard_version;
+
// priority
//
using bpkg::priority;