Jacob Keller <jacob.e.kel...@intel.com> writes:
> Currently, do_submodule_path will attempt locating the .git directory by
> using read_gitfile on <path>/.git. If this fails it just assumes the
> <path>/.git is actually a git directory.
> This is good because it allows for handling submodules which were cloned
> in a regular manner first before being added to the parent project.
> Unfortunately this fails if the <path> is not actually checked out any
> longer, such as by removing the directory.
> Fix this by checking if the directory we found is actually a gitdir. In
> the case it is not, attempt to lookup the submodule configuration and
> find the name of where it is stored in the .git/modules/ folder of the
> parent project.
As you consistently say "directory" in the earlier part of the log
s/folder of the parent project/directory of the superproject/;
> If we can't locate the submodule configuration this might occur because
I added s/configuration/&,/ to make it a bit easier to read.
> for example a submodule gitlink was added but the corresponding
> .gitmodules file was not properly updated. A die() here would not be
> pleasant to the users of submodule diff formats, so instead, modify
> do_submodule_path to return an error code. For git_pathdup_submodule,
> just return NULL when we fail to find a path. For strbuf_git_path_submodule
> propagate the error code to the caller.
Somehow I had to read the latter half of this paragraph twice,
before I realized that the last two sentence talks about how these
two functions exactly do "to return an error code". Tentatively
what I queued has:
... so instead, modify do_submodule_path() to return an error code:
- git_pathdup_submodule() returns NULL when we fail to find a path.
- strbuf_git_path_submodule() propagates the error code to the
instead, hoping that would be easier to understand.
> -static void do_submodule_path(struct strbuf *buf, const char *path,
> - const char *fmt, va_list args)
> +/* Returns 0 on success, non-zero on failure. */
> +#define SUBMODULE_PATH_ERR_NOT_CONFIGURED -1
> +static int do_submodule_path(struct strbuf *buf, const char *path,
> + const char *fmt, va_list args)
This 5/8 is the only changed one in the entire series from the
previous round, I think. I'll replace what was in 'pu' and wait for
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