Function cbm_git_context_resolve

src/git/git_context.c:242–305

}

int cbm_git_context_resolve(const char *path, cbm_git_context_t *out) {
    if (!out) {
        return CBM_NOT_FOUND;
    }

    memset(out, 0, sizeof(*out));
    if (!path || !path[0]) {
        return CBM_NOT_FOUND;
    }

    out->input_path = git_strdup(path);
    if (!out->input_path) {
        return CBM_NOT_FOUND;
    }

    struct stat st;
    out->root_exists = (stat(path, &st) == 0);
    if (!out->root_exists) {
        return 0;
    }

    if (git_capture(path, "rev-parse --show-toplevel", &out->worktree_root) != 0) {
        out->is_git = false;
        return 0;
    }
    out->is_git = true;

    if (git_capture(path, "rev-parse --git-dir", &out->git_dir) != 0) {
        out->git_dir = git_strdup("");
    }
    if (git_capture(path, "rev-parse --git-common-dir", &out->git_common_dir) != 0) {
        out->git_common_dir = git_strdup("");
    }
    if (git_capture(path, "rev-parse --verify HEAD", &out->head_sha) != 0) {
        out->head_sha = git_strdup("");
    }

    if (git_capture(path, "symbolic-ref --quiet --short HEAD", &out->branch) != 0) {
        out->branch = git_strdup("DETACHED");
        out->is_detached = true;
    }

    out->is_worktree =
        out->git_dir && out->git_common_dir && strcmp(out->git_dir, out->git_common_dir) != 0;
    /* git 2.31+ canonical absolute common-dir (best-effort; NULL on older git,
     * where derive_canonical_root falls back to the relative common-dir). */
    char *abs_common_dir = NULL;
    (void)git_capture(path, "rev-parse --path-format=absolute --git-common-dir", &abs_common_dir);
    out->canonical_root =
        derive_canonical_root(path, out->worktree_root, out->git_common_dir, abs_common_dir);
    free(abs_common_dir);
    out->branch_slug = slug_from_branch(out->branch, out->is_detached);
    if (git_capture(path, "merge-base HEAD @{upstream}", &out->base_sha) != 0) {
        out->base_sha = git_strdup("");
    }

    if (!out->git_dir || !out->git_common_dir || !out->head_sha || !out->branch ||
        !out->canonical_root || !out->branch_slug || !out->base_sha) {