commands: add a package to handle implicit bug selection

2 files changed, 8 insertions, 0 deletions

diff --git a/cache/bug_cache.go b/cache/bug_cache.go
index b0dbb6cc..4fdc7d62 100644
--- a/cache/bug_cache.go
+++ b/cache/bug_cache.go
@@ -22,6 +22,10 @@ func (c *BugCache) Snapshot() *bug.Snapshot {
 	return c.bug.Snapshot()
 }
 
+func (c *BugCache) Id() string {
+	return c.bug.Id()
+}
+
 func (c *BugCache) HumanId() string {
 	return c.bug.HumanId()
 }
diff --git a/cache/repo_cache.go b/cache/repo_cache.go
index ce7630a3..720857ce 100644
--- a/cache/repo_cache.go
+++ b/cache/repo_cache.go
@@ -207,6 +207,10 @@ func (c *RepoCache) ResolveBugPrefix(prefix string) (*BugCache, error) {
 		return nil, fmt.Errorf("Multiple matching bug found:\n%s", strings.Join(matching, "\n"))
 	}
 
+	if len(matching) == 0 {
+		return nil, bug.ErrBugNotExist
+	}
+
 	return c.ResolveBug(matching[0])
 }