Merge branch 'main' of https://github.com/timothycrosley/isort into issue/1769

Author: timothycrosley

CHANGELOG.md

@@ -4,9 +4,11 @@ Changelog
 NOTE: isort follows the [semver](https://semver.org/) versioning standard.
 Find out more about isort's release policy [here](https://pycqa.github.io/isort/docs/major_releases/release_policy).
 
-### 5.9.2
+### 5.9.2 TBD
   - Improved behavior of `isort --check --atomic` against Cython files.
   - Fixed #1769: Future imports added below assignments when no other imports present.
+  - Fixed #1772: skip-gitignore will check files not in the git repository.
+  - Fixed #1762: in some cases when skip-gitignore is set, isort fails to skip any files.
 
 ### 5.9.1 June 21st 2021 [hotfix]
   - Fixed #1758: projects with many files and skip_ignore set can lead to a command-line overload.

docs/configuration/options.md

@@ -622,7 +622,7 @@ Force all imports to be sorted as a single section
 
 ## Force Grid Wrap
 
-Force number of from imports (defaults to 2 when passed as CLI flag without value)to be grid wrapped regardless of line length. If 0 is passed in (the global default) only line length is considered.
+Force number of from imports (defaults to 2 when passed as CLI flag without value) to be grid wrapped regardless of line length. If 0 is passed in (the global default) only line length is considered.
 
 **Type:** Int  
 **Default:** `0`  

isort/main.py

@@ -472,7 +472,7 @@ def _build_arg_parser() -> argparse.ArgumentParser:
         const=2,
         type=int,
         dest="force_grid_wrap",
-        help="Force number of from imports (defaults to 2 when passed as CLI flag without value)"
+        help="Force number of from imports (defaults to 2 when passed as CLI flag without value) "
         "to be grid wrapped regardless of line "
         "length. If 0 is passed in (the global default) only line length is considered.",
     )

isort/settings.py

@@ -548,7 +548,15 @@ def _check_folder_gitignore(self, folder: str) -> Optional[Path]:
 
         git_folder = Path(topfolder_result.rstrip()).resolve()
 
-        files = [str(p) for p in Path(git_folder).rglob("*")]
+        files: List[str] = []
+        # don't check symlinks; either part of the repo and would be checked
+        # twice, or is external to the repo and git won't konw anything about it
+        for root, _dirs, git_files in os.walk(git_folder, followlinks=False):
+            for git_file in git_files:
+                git_path = os.path.join(root, git_file)
+                # followlinks only disables walking into linked dirs
+                if not os.path.islink(git_path):
+                    files.append(git_path)
         git_options = ["-C", str(git_folder), "-c", "core.quotePath="]
         try:
             ignored = subprocess.check_output(  # nosec # skipcq: PYL-W1510