bug#38648: 27.0.50; Emacs `compile' command does not handle remote (over TRAMP) file name correctly

[Michael Albinus]

Fan Yang <Fan_Yang@sjtu.edu.cn> writes:

Hi,

> Re-produce steps:
>
> 1. `find-file' to my project root directory on a remote machine,
>    namely, "/scp:vm00:pmdk-balloon/".
> 2. `M-x compile', and give compile command "make".
> 3. (Previously I have injected some typos in some of my source files,
>    say "obj.c").
> 4. In the *compilation* buffer, the "obj.c" file appears.  But when I
>    click the underlined text (or <RET> on it), an error occurs in the
>    minibuffer:
>
>    "Find this error in (default obj.c): 
> /scp:vm00:/System/Volumes/Data/home/fan/pmdk-balloon/src/libpmemobj"
>
>    The "/System/Volumes/Data/" is actually a path on my local machine.

> It appears that when compile.el was handling the remote path, it
> mixed-up part of my local machine path with the
> remote machine path, resulting the error.
>
> Then I find that in my environment, `(file-symlink-p "/home")' is
> evaluated to "/System/Volumes/Data/home".  Now I stuck here since I know
> little about TRAMP and how a remote file path should be handled.

Could you pls check, whether the appended patch fixes the problem?

Best regards, Michael.

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