From 2085e35d25f9f4765020db3946d2cbf23268715f Mon Sep 17 00:00:00 2001
From: Gonzalo Pena-Castellanos <goanpeca@gmail.com>
Date: Wed, 29 May 2019 20:50:36 -0500
Subject: [PATCH] Handle git not found error and add regression test

---
 spyder/utils/tests/test_vcs.py | 13 +++++
 spyder/utils/vcs.py            | 86 +++++++++++++++++-----------------
 2 files changed, 56 insertions(+), 43 deletions(-)

diff --git a/spyder/utils/tests/test_vcs.py b/spyder/utils/tests/test_vcs.py
index bd3f43f58a3..effdfbdb7df 100644
--- a/spyder/utils/tests/test_vcs.py
+++ b/spyder/utils/tests/test_vcs.py
@@ -19,6 +19,7 @@
 # Local imports
 from spyder.utils.vcs import (ActionToolNotFound, get_git_refs,
                               get_git_revision, get_vcs_root, run_vcs_tool)
+from spyder.utils import programs
 
 
 @pytest.mark.skipif(os.environ.get('CI', None) is None,
@@ -46,6 +47,18 @@ def test_git_revision():
     assert all([isinstance(x, str) for x in get_git_revision(root)])
 
 
+def test_no_git(monkeypatch):
+
+    def mockreturn(program_name):
+        return None
+
+    monkeypatch.setattr(programs, 'find_program', mockreturn)
+    branch_tags, branch, files_modified = get_git_refs(__file__)
+    assert len(branch_tags) == 0
+    assert branch == ''
+    assert len(files_modified) == 0
+
+
 def test_get_git_refs():
     branch_tags, branch, files_modified = get_git_refs(__file__)
     assert bool(branch)  # This must always return a branch_name
diff --git a/spyder/utils/vcs.py b/spyder/utils/vcs.py
index c70f9bcb803..d436d5060ab 100644
--- a/spyder/utils/vcs.py
+++ b/spyder/utils/vcs.py
@@ -163,48 +163,48 @@ def get_git_refs(repopath):
     if os.path.isfile(repopath):
         repopath = os.path.dirname(repopath)
 
-    try:
-
-        git = programs.find_program('git')
-
-        # Files modified
-        out, err = programs.run_program(
-            git, ['status', '-s'],
-            cwd=repopath,
-        ).communicate()
-
-        if PY3:
-            out = out.decode(sys.getdefaultencoding())
-        files_modifed = [line.strip() for line in out.split('\n') if line]
-
-        # Tags
-        out, err = programs.run_program(
-            git, ['tag'],
-            cwd=repopath,
-        ).communicate()
-
-        if PY3:
-            out = out.decode(sys.getdefaultencoding())
-        tags = [line.strip() for line in out.split('\n') if line]
-
-        # Branches
-        out, err = programs.run_program(
-            git, ['branch', '-a'],
-            cwd=repopath,
-        ).communicate()
-
-        if PY3:
-            out = out.decode(sys.getdefaultencoding())
-
-        lines = [line.strip() for line in out.split('\n') if line]
-        for line in lines:
-            if line.startswith('*'):
-                line = line.replace('*', '').strip()
-                branch = line
-
-            branches.append(line)
-
-    except (subprocess.CalledProcessError, AttributeError, OSError):
-        pass
+    git = programs.find_program('git')
+
+    if git:
+        try:
+            # Files modified
+            out, err = programs.run_program(
+                git, ['status', '-s'],
+                cwd=repopath,
+            ).communicate()
+
+            if PY3:
+                out = out.decode(sys.getdefaultencoding())
+            files_modifed = [line.strip() for line in out.split('\n') if line]
+
+            # Tags
+            out, err = programs.run_program(
+                git, ['tag'],
+                cwd=repopath,
+            ).communicate()
+
+            if PY3:
+                out = out.decode(sys.getdefaultencoding())
+            tags = [line.strip() for line in out.split('\n') if line]
+
+            # Branches
+            out, err = programs.run_program(
+                git, ['branch', '-a'],
+                cwd=repopath,
+            ).communicate()
+
+            if PY3:
+                out = out.decode(sys.getdefaultencoding())
+
+            lines = [line.strip() for line in out.split('\n') if line]
+            for line in lines:
+                if line.startswith('*'):
+                    line = line.replace('*', '').strip()
+                    branch = line
+
+                branches.append(line)
+
+        except (subprocess.CalledProcessError, AttributeError, OSError):
+            pass
 
     return branches + tags, branch, files_modifed