From 34fae706776451f4b10a9eef65cd64e640e6980b Mon Sep 17 00:00:00 2001
From: "finswimmer77@gmail.com" <GiWahnsinn07!>
Date: Sat, 25 Jan 2020 20:40:07 +0100
Subject: [PATCH 1/4] fix (builder): take `self._original_path` if available to
 find `.git` folder

---
 poetry/masonry/builders/builder.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/poetry/masonry/builders/builder.py b/poetry/masonry/builders/builder.py
index 40e8c771e81..fea6fcd6727 100644
--- a/poetry/masonry/builders/builder.py
+++ b/poetry/masonry/builders/builder.py
@@ -75,7 +75,9 @@ def build(self):
     @lru_cache(maxsize=None)
     def find_excluded_files(self):  # type: () -> Set[str]
         # Checking VCS
-        vcs = get_vcs(self._path)
+        vcs = get_vcs(
+            self._original_path if hasattr(self, "_original_path") else self._path
+        )
         if not vcs:
             vcs_ignored_files = set()
         else:

From be69652eea3d7e05f5aa5f2cf99ef443561dff89 Mon Sep 17 00:00:00 2001
From: "finswimmer77@gmail.com" <GiWahnsinn07!>
Date: Thu, 30 Jan 2020 06:43:04 +0100
Subject: [PATCH 2/4] change (vcs): use `git rev-parse --show-toplevel` to find
 git root folder

---
 poetry/vcs/__init__.py | 30 ++++++++++++++++--------------
 1 file changed, 16 insertions(+), 14 deletions(-)

diff --git a/poetry/vcs/__init__.py b/poetry/vcs/__init__.py
index d242ca6c285..dd50f6584dd 100644
--- a/poetry/vcs/__init__.py
+++ b/poetry/vcs/__init__.py
@@ -1,22 +1,24 @@
+import os
 import subprocess
-import warnings
 
 from poetry.utils._compat import Path
+from poetry.utils._compat import decode
 
 from .git import Git
 
 
 def get_vcs(directory):  # type: (Path) -> Git
-    directory = directory.resolve()
-
-    for p in [directory] + list(directory.parents):
-        if (p / ".git").is_dir():
-            try:
-                return Git(p)
-            except (subprocess.CalledProcessError, OSError):
-                # Either git could not be found or does not exist
-                warnings.warn(
-                    "git executable could not be found", category=RuntimeWarning
-                )
-
-                return
+    os.chdir(str(directory))
+
+    try:
+        git_dir = decode(
+            subprocess.check_output(
+                ["git", "rev-parse", "--show-toplevel"], stderr=subprocess.STDOUT
+            )
+        ).strip()
+
+        return Git(Path(git_dir))
+
+    except subprocess.CalledProcessError:
+
+        return

From ee92e80c36f3b8c1bb8b9d625efb518bff542d2e Mon Sep 17 00:00:00 2001
From: "finswimmer77@gmail.com" <GiWahnsinn07!>
Date: Thu, 30 Jan 2020 06:52:22 +0100
Subject: [PATCH 3/4] fix (vcs): change back to original working dir after
 finding vcs

---
 poetry/vcs/__init__.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/poetry/vcs/__init__.py b/poetry/vcs/__init__.py
index dd50f6584dd..675bcc57ad6 100644
--- a/poetry/vcs/__init__.py
+++ b/poetry/vcs/__init__.py
@@ -8,6 +8,7 @@
 
 
 def get_vcs(directory):  # type: (Path) -> Git
+    working_dir = Path.cwd()
     os.chdir(str(directory))
 
     try:
@@ -17,8 +18,11 @@ def get_vcs(directory):  # type: (Path) -> Git
             )
         ).strip()
 
-        return Git(Path(git_dir))
+        vcs = Git(Path(git_dir))
 
     except subprocess.CalledProcessError:
+        vcs = None
+    finally:
+        os.chdir(str(working_dir))
 
-        return
+    return vcs

From 96fa376949468539fb62ad07b0c93d5b9c47a2ff Mon Sep 17 00:00:00 2001
From: "finswimmer77@gmail.com" <GiWahnsinn07!>
Date: Mon, 24 Feb 2020 06:12:55 +0100
Subject: [PATCH 4/4] change (builder): introduce self._original_path to keep
 original path if(vcs): resolve directory for `get_vcs`

---
 poetry/masonry/builders/builder.py | 5 ++---
 poetry/vcs/__init__.py             | 2 +-
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/poetry/masonry/builders/builder.py b/poetry/masonry/builders/builder.py
index fea6fcd6727..f35c893866d 100644
--- a/poetry/masonry/builders/builder.py
+++ b/poetry/masonry/builders/builder.py
@@ -44,6 +44,7 @@ def __init__(
         self._io = io
         self._package = poetry.package
         self._path = poetry.file.parent
+        self._original_path = self._path
 
         packages = []
         for p in self._package.packages:
@@ -75,9 +76,7 @@ def build(self):
     @lru_cache(maxsize=None)
     def find_excluded_files(self):  # type: () -> Set[str]
         # Checking VCS
-        vcs = get_vcs(
-            self._original_path if hasattr(self, "_original_path") else self._path
-        )
+        vcs = get_vcs(self._original_path)
         if not vcs:
             vcs_ignored_files = set()
         else:
diff --git a/poetry/vcs/__init__.py b/poetry/vcs/__init__.py
index 675bcc57ad6..c13e4fa05ed 100644
--- a/poetry/vcs/__init__.py
+++ b/poetry/vcs/__init__.py
@@ -9,7 +9,7 @@
 
 def get_vcs(directory):  # type: (Path) -> Git
     working_dir = Path.cwd()
-    os.chdir(str(directory))
+    os.chdir(str(directory.resolve()))
 
     try:
         git_dir = decode(