Daniel Barkalow <barkalow@iabervon.org> writes:

quoted text
> We need to rewrite the index file when we check out files, even if we
> haven't modified the blob info by reading from another tree, so that
> we get the stat cache to include the fact that we just modified the
> file so it doesn't need to be refreshed.

Thanks, Alexandre, for spotting.

quoted text
> -static int checkout_paths(const char **pathspec)
> +static int checkout_paths(const char **pathspec, int newfd, struct lock_file *lock_file)
>  {
> ...
> @@ -554,11 +549,14 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
>  			}
>  		}
>  
> +		int newfd;
> +		struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
> +		newfd = hold_locked_index(lock_file, 1);
> +		read_cache();
> +
>  		if (source_tree)
>  			read_tree_some(source_tree, pathspec);
> -		else
> -			read_cache();
> -		return checkout_paths(pathspec);
> +		return checkout_paths(pathspec, newfd, lock_file);

Aside from decl-after-statement, I suspect that at this point
these all should go to checkout_paths() function itself, that
takes pathspec and source_tree (which could be NULL), but that
is only "logical code organization" issue.  Thanks for fixing.

I however would have liked if this were caught while the topic
was still cooking in 'next'.

There was a process failure somewhere, which makes me worry more
than just this single bug that escaped to 'master'.  Alex
Riesen's segv fix in another thread makes it double X-<.
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