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Update the idiotic design symlink atomically

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This commit is contained in:
Kovid Goyal
2022-03-11 07:54:16 +05:30
parent 6789eb88e2
commit f080871911
1 changed files with 5 additions and 1 deletions
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6
kittens/ssh/main.py
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@@ -13,6 +13,7 @@ import shlex
import stat import stat
import sys import sys
import tarfile import tarfile
import tempfile
import time import time
import traceback import traceback
from base64 import standard_b64decode, standard_b64encode from base64 import standard_b64decode, standard_b64encode
@@ -460,7 +461,10 @@ def connection_sharing_args(opts: SSHOptions, kitty_pid: int) -> List[str]:
raise ValueError(f'The {idiotic_design} symlink could not be created as something with that name exists already') from e raise ValueError(f'The {idiotic_design} symlink could not be created as something with that name exists already') from e
else: else:
if dest != rd: if dest != rd:
raise ValueError(f'The {idiotic_design} symlink exists and points to the incorrect location: {dest}') with tempfile.TemporaryDirectory(dir='/tmp') as tdir:
tlink = os.path.join(tdir, 'sigh')
os.symlink(rd, tlink)
os.rename(tlink, idiotic_design)
rd = idiotic_design rd = idiotic_design
cp = os.path.join(rd, ssh_control_master_template.format(kitty_pid=kitty_pid, ssh_placeholder='%C')) cp = os.path.join(rd, ssh_control_master_template.format(kitty_pid=kitty_pid, ssh_placeholder='%C'))