From: brian m. carlson <sandals@crustytoothpaste.net>
Date: Mon, 24 Oct 2022 00:28:49 GMT
Subject: Re: waitpid errors with shell aliases
Message-ID: <Y1XcQctK/SkDZCbt@tapette.crustytoothpaste.net>
In-Reply-To: <CADUYy5vwfOJOFBQ+zUmkrsxGO=E9N5vUbsVRgjBn_MMY2X6H=A@mail.gmail.com>

On 2022-10-21 at 09:26:11, shubham sharma wrote:
> Hi,
> 
> I am using git shell aliases in config and was facing some weird
> error. The error is not reproducible in all runs and occurs randomly
> between runs...consider the minimal config(alias section) below for
> usage idea:
> 
> [alias]
>     A = "!f(){ \
>         ( \
>               // implementation
>               git \"$1\"; \
>         ) 250<dir/tmp; \
>     }; f"
>     B = "!f(){ \
>         ssh <server> <command>; \
>     }; f"
>     C= "!f(){ \
>         git A B; \
>     }; f"
> 
> when firing "git C" from shell,in some cases(not deterministically reproducible)
> i observed weird waitpid errors of the type :
> 
> error: waitpid for f(){         ssh <server> <command>;    }; f
> failed: No child processes
> fatal: while expanding alias 'B': 'f(){       ssh <server> <command>;
>      }; f': No child processes
> error: waitpid for f(){     (//implementation; git "$1"; )250<dir/tmp;
>    }; f failed: No child processes
> fatal: while expanding alias 'A': 'f(){        (//implementation; git
> "$1"; )250<dir/tmp;      }; f': No child processes
> error: waitpid for f(){    git A B;    }; f failed: No child processes
> fatal: while expanding alias 'C': 'f(){       git A B;      }; f': No
> child processes
> 
> can anyone please help as to what could possibly be the reason for this?

Could you tell us what OS and version of Git you're running, and what
shell /bin/sh is?  I could imagine that there might be some weirdness on
Windows with the shell, but I would find an ECHILD to be surprising on
Unix.
-- 
brian m. carlson (he/him or they/them)
Toronto, Ontario, CA