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proton: Don't follow symlinks when merging user dirs

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Link: https://github.com/ValveSoftware/Proton/issues/5102
This commit is contained in:
Andrew Eikum 2021-08-25 11:22:12 -05:00 committed by Arkadiusz Hiler
parent 79ddcc5568
commit c47dfe6a0b
1 changed files with 5 additions and 5 deletions
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proton
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@ -99,16 +99,16 @@ def merge_user_dir(src, dst):
src_file = os.path.join(src_dir, dir_)
dst_file = os.path.join(dst_dir, dir_)
if os.path.islink(src_file) and not os.path.exists(dst_file):
try_copy(src_file, dst_file, copy_metadata=True)
try_copy(src_file, dst_file, copy_metadata=True, follow_symlinks=False)
for file_ in files:
src_file = os.path.join(src_dir, file_)
dst_file = os.path.join(dst_dir, file_)
if not os.path.exists(dst_file):
try_copy(src_file, dst_file, copy_metadata=True)
try_copy(src_file, dst_file, copy_metadata=True, follow_symlinks=False)
else:
extant_dirs += dst_dir
def try_copy(src, dst, add_write_perm=True, copy_metadata=False, optional=False):
def try_copy(src, dst, add_write_perm=True, copy_metadata=False, optional=False, follow_symlinks=True):
try:
if os.path.isdir(dst):
dstfile = dst + "/" + os.path.basename(src)
@ -120,9 +120,9 @@ def try_copy(src, dst, add_write_perm=True, copy_metadata=False, optional=False)
os.remove(dst)
if copy_metadata:
shutil.copy2(src, dst)
shutil.copy2(src, dst, follow_symlinks=follow_symlinks)
else:
shutil.copy(src, dst)
shutil.copy(src, dst, follow_symlinks=follow_symlinks)
if add_write_perm:
new_mode = os.lstat(dstfile).st_mode | stat.S_IWUSR | stat.S_IWGRP