Documentation bug

[ndokos]

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On my machine, the output of ag --version is: nothing - I do not have ag installed.

My Emacs version is: 28.0.50

I'm using: Fedora 33.

The Configuration doc contains a function to set the Emacs exec-path from the shell PATH. That function tries to invoke the shell using

(shell-command-to-string "$SHELL --login -i -c 'echo $PATH'")

The -i is wrong: it causes the plumbing of the output to fail with

"bash: cannot set terminal process group (-1): Inappropriate ioctl for device
bash: no job control in this shel
... path follows ...

confusing the subsequent parsing and screwing up both the env PATH and the exec-path. Without the -i, everything works as it should.