test-bot: only test the runtime dependencies.

Also add support to `brew uses` to ignore build or optional dependencies.

Closes Homebrew/homebrew#36154.
Closes Homebrew/homebrew#36656.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Library/Homebrew/cmd/test-bot.rb

@@ -363,7 +363,7 @@ module Homebrew
       unchanged_dependencies = dependencies - @formulae
       changed_dependences = dependencies - unchanged_dependencies
 
-      dependents = `brew uses #{formula_name}`.split("\n")
+      dependents = `brew uses --skip-build --skip-optional #{formula_name}`.split("\n")
       dependents -= @formulae
       dependents = dependents.map {|d| Formulary.factory(d)}
 

Library/Homebrew/cmd/uses.rb

@@ -11,15 +11,24 @@ module Homebrew
     used_formulae = ARGV.formulae
     formulae = (ARGV.include? "--installed") ? Formula.installed : Formula
     recursive = ARGV.flag? "--recursive"
+    ignores = []
+    ignores << "build?" if ARGV.flag? "--skip-build"
+    ignores << "optional?" if ARGV.flag? "--skip-optional"
 
     uses = formulae.select do |f|
       used_formulae.all? do |ff|
         begin
           if recursive
-            f.recursive_dependencies.any? { |dep| dep.to_formula.name == ff.name } ||
+            deps = f.recursive_dependencies.reject do |dep|
+              ignores.any? { |ignore| dep.send(ignore) }
+            end
+            deps.any? { |dep| dep.to_formula.name == ff.name } ||
               f.recursive_requirements.any? { |req| req.name == ff.name }
           else
-            f.deps.any? { |dep| dep.to_formula.name == ff.name } ||
+            deps = f.deps.reject do |dep|
+              ignores.any? { |ignore| dep.send(ignore) }
+            end
+            deps.any? { |dep| dep.to_formula.name == ff.name } ||
               f.requirements.any? { |req| req.name == ff.name }
           end
         rescue FormulaUnavailableError => e

Library/Homebrew/manpages/brew.1.md

@@ -398,7 +398,7 @@ Note that these flags should only appear after a command.
     If <formulae> are given, upgrade only the specified brews (but do so even
     if they are pinned; see `pin`, `unpin`).
 
-  * `uses [--installed] [--recursive] [--devel|--HEAD]` <formulae>:
+  * `uses [--installed] [--recursive] [--skip-build] [--skip-optional] [--devel|--HEAD]` <formulae>:
     Show the formulae that specify <formulae> as a dependency. When given
     multiple formula arguments, show the intersection of formulae that use
     <formulae>.
@@ -407,6 +407,10 @@ Note that these flags should only appear after a command.
 
     If `--installed` is passed, only list installed formulae.
 
+    By default, `uses` shows all formulae that specify <formulae> as a dependency.
+    To skip the `:build` type dependencies, pass `--skip-build`. Similarly, pass
+    `--skip-optional` to skip `:optional` dependencies.
+
     By default, `uses` shows usages of `formula` by stable builds. To find
     cases where `formula` is used by development or HEAD build, pass
     `--devel` or `--HEAD`.

share/man/man1/brew.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BREW" "1" "January 2015" "Homebrew" "brew"
+.TH "BREW" "1" "February 2015" "Homebrew" "brew"
 .
 .SH "NAME"
 \fBbrew\fR \- The missing package manager for OS X
@@ -426,7 +426,7 @@ Options for the \fBinstall\fR command are also valid here\.
 If \fIformulae\fR are given, upgrade only the specified brews (but do so even if they are pinned; see \fBpin\fR, \fBunpin\fR)\.
 .
 .TP
-\fBuses [\-\-installed] [\-\-recursive] [\-\-devel|\-\-HEAD]\fR \fIformulae\fR
+\fBuses [\-\-installed] [\-\-recursive] [\-\-skip\-build] [\-\-skip\-optional] [\-\-devel|\-\-HEAD]\fR \fIformulae\fR
 Show the formulae that specify \fIformulae\fR as a dependency\. When given multiple formula arguments, show the intersection of formulae that use \fIformulae\fR\.
 .
 .IP
@@ -436,6 +436,9 @@ Use \fB\-\-recursive\fR to resolve more than one level of dependencies\.
 If \fB\-\-installed\fR is passed, only list installed formulae\.
 .
 .IP
+By default, \fBuses\fR shows all formulae that specify \fIformulae\fR as a dependency\. To skip the \fB:build\fR type dependencies, pass \fB\-\-skip\-build\fR\. Similarly, pass \fB\-\-skip\-optional\fR to skip \fB:optional\fR dependencies\.
+.
+.IP
 By default, \fBuses\fR shows usages of \fBformula\fR by stable builds\. To find cases where \fBformula\fR is used by development or HEAD build, pass \fB\-\-devel\fR or \fB\-\-HEAD\fR\.
 .
 .TP