Commitd2506c7

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Make Git.execute a bit simpler and very slightly more robust

This covers the rare unpatchedpython/cpython#101283 case theprevious commit added tests for, that only applies in the unusualsituation that the ComSpec environment variable is unset and an oldbuild (but this includes downloadable builds and currentactions/setup-python builds) of Python <=3.9 for Windows is in use.The main benefit of this change is really to slightly simplify thecode under test. (It might even be justified to remove theuse_shell_impostor=True test cases at some point.)

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`‎git/cmd.py‎`

Lines changed: 8 additions & 11 deletions

Original file line number	Diff line number	Diff line change
`@@ -988,25 +988,22 @@ def execute(`
`988`	`988`	`ifshellisNone:`
`989`	`989`	`shell=self.USE_SHELL`
`990`	`990`
`991`		`-cmd_not_found_exception=FileNotFoundError`
`992`		`-maybe_patch_caller_env=contextlib.nullcontext()`
`993`		`-`
`994`	`991`	`ifos.name=="nt":`
	`992`	`+cmd_not_found_exception=OSError`
`995`	`993`	`ifkill_after_timeoutisnotNone:`
`996`	`994`	`raiseGitCommandError(`
`997`	`995`	`redacted_command,`
`998`	`996`	`'"kill_after_timeout" feature is not supported on Windows.',`
`999`	`997`	`)`
`1000`		`-`
`1001`		`-cmd_not_found_exception=OSError`
`1002`		`-`
`1003`		`-# Search PATH, but do not search CWD. The "1" can be any value.`
	`998`	`+# Search PATH but not CWD. The "1" can be any value. We'll patch just before`
	`999`	`+# the Popen call and unpatch just after, or we get a worse race condition.`
	`1000`	`+maybe_patch_caller_env=patch_env("NoDefaultCurrentDirectoryInExePath","1")`
`1004`	`1001`	`ifshell:`
`1005`		`-#If the directsubprocess is ashell, this must go in its environment.`
	`1002`	`+#Modify the direct shell subprocess's own search behavior accordingly.`
`1006`	`1003`	`env["NoDefaultCurrentDirectoryInExePath"]="1"`
`1007`		`-else:`
`1008`		`-# If we're not using a shell, the variable goes in our own environment.`
`1009`		`-maybe_patch_caller_env=patch_env("NoDefaultCurrentDirectoryInExePath","1")`
	`1004`	`+else:`
	`1005`	`+cmd_not_found_exception=FileNotFoundError`
	`1006`	`+maybe_patch_caller_env=contextlib.nullcontext()`
`1010`	`1007`	`# END handle`
`1011`	`1008`
`1012`	`1009`	`stdout_sink=PIPEifwith_stdoutelsegetattr(subprocess,"DEVNULL",None)oropen(os.devnull,"wb")`

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Commitd2506c7

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`‎git/cmd.py‎`

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