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application_process: scm: Git: _add_entry_to_gitignore: writes unique entry to .gitignore (#4624)

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* scm:  Git: _add_entry_to_gitignore: writes unique entry to .gitignore

Fixes #4327

* Restyled by black

Co-authored-by: Restyled.io <[email protected]>
This commit is contained in:
gsvolt
2020-09-30 04:02:44 +03:00
committed by GitHub
co-authored by Restyled.io
parent 00267706b7
commit fb756c0538
1 changed files with 4 additions and 1 deletions
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dvc/scm/git.py
+4 -1
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@@ -210,6 +210,7 @@ class Git(Base):
entry = GitWildMatchPattern.escape(entry)
with open(gitignore, "a+", encoding="utf-8") as fobj:
unique_lines = set(fobj.readlines())
fobj.seek(0, os.SEEK_END)
if fobj.tell() == 0:
# Empty file
@@ -218,7 +219,9 @@ class Git(Base):
fobj.seek(fobj.tell() - 1, os.SEEK_SET)
last = fobj.read(1)
prefix = "" if last == "\n" else "\n"
fobj.write(f"{prefix}{entry}\n")
new_entry = f"{prefix}{entry}\n"
if new_entry not in unique_lines:
fobj.write(new_entry)
def ignore_remove(self, path):
entry, gitignore = self._get_gitignore(path)