Valve/Proton
1
0
Fork 0
mirror of https://github.com/ValveSoftware/Proton.git synced 2025-04-08 18:40:14 +03:00
Code Issues Packages Projects Releases Wiki Activity

proton: Add write permissions to copied files

Browse Source 
We copy some read-only files into the prefix, which can cause problems
(specifically, downgrading to some earlier Proton versions).
This commit is contained in:
Andrew Eikum 2020-09-15 11:37:32 -05:00
parent b1b12f8c4f
commit 746cab7813
1 changed files with 12 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
proton
View File

@ -10,6 +10,7 @@ import json
import os import os
import shutil import shutil
import errno import errno
import stat
import subprocess import subprocess
import sys import sys
import tarfile import tarfile
@ -54,15 +55,23 @@ def makedirs(path):
#already exists #already exists
pass pass
def try_copy(src, dst): def try_copy(src, dst, add_write_perm=True):
try: try:
if os.path.isdir(dst): if os.path.isdir(dst):
dstfile = dst + "/" + os.path.basename(src) dstfile = dst + "/" + os.path.basename(src)
if os.path.lexists(dstfile): if os.path.lexists(dstfile):
os.remove(dstfile) os.remove(dstfile)
elif os.path.lexists(dst): else:
os.remove(dst) dstfile = dst
if os.path.lexists(dst):
os.remove(dst)
shutil.copy(src, dst) shutil.copy(src, dst)
if add_write_perm:
new_mode = os.lstat(dstfile).st_mode | stat.S_IWUSR | stat.S_IWGRP
os.chmod(dstfile, new_mode)
except PermissionError as e: except PermissionError as e:
if e.errno == errno.EPERM: if e.errno == errno.EPERM:
#be forgiving about permissions errors; if it's a real problem, things will explode later anyway #be forgiving about permissions errors; if it's a real problem, things will explode later anyway