Bug 1538770 - Replace TRY_MODIFIED_FILES by mozversioncontrol usage, r=ahal

Differential Revision: https://phabricator.services.mozilla.com/D24876

--HG--
extra : moz-landing-system : lando

python/mozbuild/mozbuild/mach_commands.py

@@ -48,6 +48,7 @@ from mozbuild.backend import (
     backends,
 )
 
+from mozversioncontrol import get_repository_object
 
 BUILD_WHAT_HELP = '''
 What to build. Can be a top-level make target or a relative directory. If
@@ -1701,8 +1702,10 @@ class StaticAnalysis(MachCommandBase):
                      help='Write clang-tidy output in a file')
     @CommandArgument('--format', default='text', choices=('text', 'json'),
                      help='Output format to write in a file')
+    @CommandArgument('--outgoing', default=False, action='store_true',
+                     help='Run static analysis checks on outgoing files from mercurial repository')
     def check(self, source=None, jobs=2, strip=1, verbose=False,
-              checks='-*', fix=False, header_filter='', output=None, format='text'):
+              checks='-*', fix=False, header_filter='', output=None, format='text', outgoing=False):
         from mozbuild.controller.building import (
             StaticAnalysisFooter,
             StaticAnalysisOutputManager,
@@ -1717,6 +1720,12 @@ class StaticAnalysis(MachCommandBase):
         if rc != 0:
             return rc
 
+        # Use outgoing files instead of source files
+        if outgoing:
+            repo = get_repository_object(self.topsrcdir)
+            files = repo.get_outgoing_files()
+            source = self._conv_to_abspath(files)
+
         # Split in several chunks to avoid hitting Python's limit of 100 groups in re
         compile_db = json.loads(open(self._compile_db, 'r').read())
         total = 0
@@ -2406,11 +2415,17 @@ class StaticAnalysis(MachCommandBase):
     @CommandArgument('--format', '-f', choices=('diff', 'json'), default='diff', dest='output_format',
                      help='Specify the output format used: diff is the raw patch provided by '
                      'clang-format, json is a list of atomic changes to process.')
-    def clang_format(self, assume_filename, path, commit, output_path=None, output_format='diff', verbose=False):
+    @CommandArgument('--outgoing', default=False, action='store_true',
+                     help='Run clang-format on outgoing files from mercurial repository')
+    def clang_format(self, assume_filename, path, commit, output_path=None, output_format='diff', verbose=False, outgoing=False):
         # Run clang-format or clang-format-diff on the local changes
         # or files/directories
         if path is not None:
             path = self._conv_to_abspath(path)
+        elif outgoing:
+            repo = get_repository_object(self.topsrcdir)
+            files = repo.get_outgoing_files()
+            path = self._conv_to_abspath(files)
 
         os.chdir(self.topsrcdir)
 

taskcluster/ci/source-test/clang.yml

@@ -48,7 +48,7 @@ tidy:
         command: >-
             source $HOME/checkouts/gecko/taskcluster/scripts/misc/source-test-clang-setup.sh &&
             cd $HOME/checkouts/gecko &&
-            ./mach --log-no-times static-analysis check $TRY_MODIFIED_FILES --output $HOME/clang-tidy.json --format json
+            ./mach --log-no-times static-analysis check --outgoing --output $HOME/clang-tidy.json --format json
 
     worker:
         artifacts:
@@ -64,7 +64,7 @@ format:
         command: >-
             source $HOME/checkouts/gecko/taskcluster/scripts/misc/source-test-clang-setup.sh &&
             cd $HOME/checkouts/gecko &&
-            ./mach --log-no-times clang-format --path $TRY_MODIFIED_FILES --output $HOME/clang-format.json --format json
+            ./mach --log-no-times clang-format --outgoing --output $HOME/clang-format.json --format json
     worker:
         artifacts:
             - type: file

taskcluster/scripts/misc/source-test-clang-setup.sh

@@ -22,7 +22,3 @@ export LD_LIBRARY_PATH=$MOZBUILD_STATE_PATH/clang/lib
 # Mach lookup clang-tidy in clang-tools
 mkdir -p $MOZBUILD_STATE_PATH/clang-tools
 ln -s $MOZBUILD_STATE_PATH/clang-tidy $MOZBUILD_STATE_PATH/clang-tools/clang-tidy
-
-# List modified files since last public revision
-cd $HOME/checkouts/gecko
-export TRY_MODIFIED_FILES=$(hg status --rev 'max(ancestors(tip) and public())' -q --no-status)