Function git_file_count

src/watcher/watcher.c:214–236

Count tracked files via git ls-files */

/* Count tracked files via git ls-files */
static int git_file_count(const char *root_path) {
    char cmd[CBM_SZ_1K];
    snprintf(cmd, sizeof(cmd), "git -C \"%s\" ls-files 2>%s", root_path, WATCHER_NULDEV);
    FILE *fp = cbm_popen(cmd, "r");
    if (!fp) {
        return 0;
    }

    /* Count newlines (one tracked file per line). `wc -l` is unavailable on
     * Windows, so count in C, robust to paths longer than the read buffer. */
    int count = 0;
    char buf[CBM_SZ_1K];
    size_t n;
    while ((n = fread(buf, 1, sizeof(buf), fp)) > 0) {
        for (size_t i = 0; i < n; i++) {
            if (buf[i] == '\n') {
                count++;
            }
        }
    }
    cbm_pclose(fp);
    return count;
}

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