[gnome-continuous] Fix handling of builddir for Autotools projects

[Emmanuele Bassi <ebassi src gnome org>]

commit b169439a2dc33b19cfdc88496ab6fb2d448070a2
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Fri Dec 1 13:27:46 2017 +0000

    Fix handling of builddir for Autotools projects
    
    We're clearing the use_builddir variable. Thanks, Python.

 src/ostree-build-compile-one |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/src/ostree-build-compile-one b/src/ostree-build-compile-one
index 8aed4fb..f52f748 100755
--- a/src/ostree-build-compile-one
+++ b/src/ostree-build-compile-one
@@ -179,11 +179,11 @@ def main(args):
         doesnot_support_builddir = _has_buildapi_configure_variable('no-builddir')
         if doesnot_support_builddir:
             log("Found no-builddir Build API variable; copying source tree to _build")
-        if os.path.isdir('_build'):
-            shutil.rmtree('_build')
-        shutil.copytree('.', '_build', symlinks=True,
-                        ignore=shutil.ignore_patterns('_build'))
-        use_builddir = False
+            if os.path.isdir('_build'):
+                shutil.rmtree('_build')
+                shutil.copytree('.', '_build', symlinks=True,
+                                ignore=shutil.ignore_patterns('_build'))
+                use_builddir = False
     
     if use_builddir:
         log("Using build directory %r" % (builddir, ))