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Sebastiaan van Stijn
f2a56450f4
On Windows, the os/exec.{Command,CommandContext,LookPath} functions resolve command
names that have neither path separators nor file extension (e.g., "git") by first
looking in the current working directory before looking in the PATH environment
variable.
Go maintainers intended to match cmd.exe's historical behavior.
However, this is pretty much never the intended behavior and as an abundance of
precaution this patch prevents that when executing commands.
This patch was prompted by the [Go 1.15.7 security fixes](https://blog.golang.org/path-security).
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>