Paul Tan <pyokagan@xxxxxxxxx> writes:
> +/**
> + * Parses argv into [<repo> [<refspecs>...]], returning their values in `repo`
> + * as a string and `refspecs` as a null-terminated array of strings. If `repo`
> + * is not provided in argv, it is set to NULL.
> + */
> +static void parse_repo_refspecs(int argc, const char **argv, const char **repo,
> + const char ***refspecs)
> +{
> + if (argc > 0) {
> + *repo = *argv++;
> + argc--;
> + } else
> + *repo = NULL;
> + *refspecs = argv;
> +}
> +
> +/**
> + * Runs git-fetch, returning its exit status. `repo` and `refspecs` are the
> + * repository and refspecs to fetch, or NULL if they are not provided.
> + */
> +static int run_fetch(const char *repo, const char **refspecs)
> +{
> + struct argv_array args = ARGV_ARRAY_INIT;
> + int ret;
> +
> + argv_array_pushl(&args, "fetch", "--update-head-ok", NULL);
> + if (repo)
> + argv_array_push(&args, repo);
> + while (*refspecs)
> + argv_array_push(&args, *refspecs++);
As you cannot say "git pull refspecs...", the above might be more
clear if you spelled it like this instead:
if (repo) {
argv_array_push(&args, repo);
argv_array_pushv(&args, refspecs);
} else if (*refspecs) {
die("BUG: refspec without repo?");
}
> +/**
> + * Runs git-merge, returning its exit status.
> + */
> +static int run_merge(void)
> +{
> + int ret;
> + struct argv_array args = ARGV_ARRAY_INIT;
> +
> + argv_array_pushl(&args, "merge", NULL);
> + argv_array_push(&args, "FETCH_HEAD");
> + ret = run_command_v_opt(args.argv, RUN_GIT_CMD);
> + argv_array_clear(&args);
> + return ret;
> +}
No frills yet, which is a good way to start with and show the
overall structure.
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