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-rwxr-xr-xutils/checkstyle.py34
1 files changed, 28 insertions, 6 deletions
diff --git a/utils/checkstyle.py b/utils/checkstyle.py
index 6e07ffdc..b7c4d876 100755
--- a/utils/checkstyle.py
+++ b/utils/checkstyle.py
@@ -144,10 +144,11 @@ def parse_diff(diff):
return hunks
-def check_file(commit, filename):
+def check_file(top_level, commit, filename):
# Extract the line numbers touched by the commit.
- diff = subprocess.run(['git', 'diff', '%s~..%s' % (commit, commit), '--', filename],
- stdout=subprocess.PIPE).stdout
+ diff = subprocess.run(['git', 'diff', '%s~..%s' % (commit, commit), '--',
+ '%s/%s' % (top_level, filename)],
+ stdout=subprocess.PIPE).stdout
diff = diff.decode('utf-8').splitlines(True)
commit_diff = parse_diff(diff)
@@ -187,7 +188,7 @@ def check_file(commit, filename):
return len(formatted_diff)
-def check_style(commit):
+def check_style(top_level, commit):
# Get the commit title and list of files.
ret = subprocess.run(['git', 'show', '--pretty=oneline','--name-only', commit],
stdout=subprocess.PIPE)
@@ -208,7 +209,7 @@ def check_style(commit):
issues = 0
for f in files:
- issues += check_file(commit, f)
+ issues += check_file(top_level, commit, f)
if issues == 0:
print("No style issue detected")
@@ -240,6 +241,18 @@ def extract_revlist(revs):
return revlist
+def git_top_level():
+ """Get the absolute path of the git top-level directory."""
+ ret = subprocess.run(['git', 'rev-parse', '--show-toplevel'],
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE)
+ if ret.returncode != 0:
+ print(ret.stderr.decode('utf-8').splitlines()[0])
+ return None
+
+ return ret.stdout.decode('utf-8').strip()
+
+
def main(argv):
# Parse command line arguments
@@ -256,12 +269,21 @@ def main(argv):
print("Executable %s not found" % dependency)
return 1
+ # Get the top level directory to pass absolute file names to git diff
+ # commands, in order to support execution from subdirectories of the git
+ # tree.
+ top_level = git_top_level()
+ if top_level is None:
+ return 1
+
revlist = extract_revlist(args.revision_range)
for commit in revlist:
- check_style(commit)
+ check_style(top_level, commit)
print('')
+ return 0
+
if __name__ == '__main__':
sys.exit(main(sys.argv))