Merge "Add api lint to upload checks"

PREUPLOAD.cfg

@@ -7,3 +7,4 @@ checkstyle_hook = ${REPO_ROOT}/prebuilts/checkstyle/checkstyle.py --sha ${PREUPL
                       services/print/
                       services/usb/
 
+api_lint_hook = ${REPO_ROOT}/frameworks/base/tools/apilint/apilint_sha.sh ${PREUPLOAD_COMMIT}

tools/apilint/apilint.py

@@ -1371,7 +1371,9 @@ if __name__ == "__main__":
             print
         """
 
-    print "%s API style issues %s\n" % ((format(fg=WHITE, bg=BLUE, bold=True), format(reset=True)))
-    for f in sorted(cur_fail):
-        print cur_fail[f]
-        print
+    if len(cur_fail) != 0:
+        print "%s API style issues %s\n" % ((format(fg=WHITE, bg=BLUE, bold=True), format(reset=True)))
+        for f in sorted(cur_fail):
+            print cur_fail[f]
+            print
+        sys.exit(77)

tools/apilint/apilint_sha.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+if git show --name-only --pretty=format: $1 | grep api/ > /dev/null; then
+    python tools/apilint/apilint.py <(git show $1:api/current.txt) <(git show $1^:api/current.txt)
+fi