Re: git add / update-cache --add fails.

[Paul Jackson <pj@sgi.com>]

Petr wrote:
>  	fd = open(path, O_RDONLY);
>  	if (fd < 0) {
> +		fprintf(stderr, "update-cache Error: %s\n", strerror(errno));

It's usually a good idea to indicate which system call you were
attempting in such error messages, and if handy, the key argument.
Just the errno might not mean much:

> +		fprintf(stderr, "update-cache open(%s) failed: %s\n", path, strerror(errno));

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