📦 Add Serde and Serde JSON dependencies for cheat sheet metadata handling

md-rs/Cargo.lock

@@ -877,6 +877,8 @@ version = "0.1.0"
 dependencies = [
  "reqwest",
  "rust_util",
+ "serde",
+ "serde_json",
  "termimad",
 ]
 
@@ -1394,6 +1396,19 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "serde_json"
+version = "1.0.149"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
+dependencies = [
+ "itoa",
+ "memchr",
+ "serde",
+ "serde_core",
+ "zmij",
+]
+
 [[package]]
 name = "shlex"
 version = "1.3.0"
@@ -2294,3 +2309,9 @@ dependencies = [
  "quote",
  "syn",
 ]
+
+[[package]]
+name = "zmij"
+version = "1.0.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"

md-rs/Cargo.toml

@@ -6,4 +6,6 @@ edition = "2024"
 [dependencies]
 reqwest = { version = "0.13.2", features = ["blocking"] }
 rust_util = "0.6.51"
+serde = { version = "1.0.228", features = ["derive"] }
+serde_json = "1.0.149"
 termimad = "0.34.1"

md-rs/src/main.rs

@@ -4,6 +4,8 @@
 //! [dependencies]
 //! reqwest = { version = "0.13.2", features = ["blocking"] }
 //! rust_util = "0.6.51"
+//! serde = { version = "1.0.228", features = ["derive"] }
+//! serde_json = "1.0.149"
 //! termimad = "0.34.1"
 //! ```
 
@@ -15,7 +17,9 @@
 // println!("\nand now {}\n", skin.inline("a little *too much* **style!** (and `some(code)` too)"));
 
 use rust_util::{opt_result, warning, XResult};
+use serde::Deserialize;
 use std::io::Read;
+use std::process::exit;
 use std::{fs, io};
 
 // https://github.com/Canop/termimad
@@ -44,6 +48,18 @@ fn read_to_string(path_opt: Option<&String>) -> XResult<String> {
             Ok(buffer)
         }
         Some(path) => {
+            let path = if let Some(cheat_sheet_name) = try_cheat_sheet(path) {
+                if cheat_sheet_name.is_empty() {
+                    print_cheat_sheet_meta();
+                }
+                format!(
+                    "https://git.hatter.ink/hatter/cheatsheets/raw/branch/main/{cheat_sheet_name}/CHEATSHEET.md"
+                )
+            } else {
+                path.to_string()
+            };
+
+            let path = &path;
             let is_http_path = path.starts_with("http://");
             let is_https_path = path.starts_with("https://");
             if is_http_path || is_https_path {
@@ -64,5 +80,47 @@ fn read_to_string(path_opt: Option<&String>) -> XResult<String> {
     }
 }
 
-// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20260412T235541+08:00.MEUCID7zWIZ1zyjpISPbbROS
-// X+wrb0hfpeWaan8mYIaG9hoaAiEAw1jj2TvjDx0Y6egXTfpIQD5XzW91sutNjSz62Nc9taI=
+#[derive(Deserialize)]
+struct CheatSheetMeta {
+    name: String,
+    // aliases: Option<String>,
+    // repo: String,
+    description: String,
+}
+
+fn print_cheat_sheet_meta() -> ! {
+    let cheat_sheet_meta_url =
+        "https://git.hatter.ink/hatter/cheatsheets/raw/branch/main/meta.json";
+    let cheat_sheet_meta_json = reqwest::blocking::get(cheat_sheet_meta_url)
+        .expect("Get cheat sheet meta failed")
+        .text()
+        .expect("Read cheat sheet meta failed");
+    let cheat_sheet_meta: Vec<CheatSheetMeta> =
+        serde_json::from_str(&cheat_sheet_meta_json).expect("Parse cheat sheet meta failed");
+
+    let mut cheat_sheet_md = String::new();
+    cheat_sheet_md.push_str("# Cheat Sheets\n\n");
+    cheat_sheet_md.push_str("| Name | Description |\n");
+    cheat_sheet_md.push_str("| ----- | ------ |\n");
+    for cheat_sheet in &cheat_sheet_meta {
+        cheat_sheet_md.push_str(&format!(
+            "| {} | {} |\n",
+            cheat_sheet.name, cheat_sheet.description
+        ));
+    }
+    termimad::print_text(&cheat_sheet_md);
+    exit(0);
+}
+
+fn try_cheat_sheet(path: &str) -> Option<String> {
+    let cheat_prefixes = ["cheat:", "cheatsheet:", "cheat_sheet:"];
+    for cheat_prefix in cheat_prefixes {
+        if path.starts_with(cheat_prefix) {
+            return Some(path.chars().skip(cheat_prefix.len()).collect::<String>());
+        }
+    }
+    None
+}
+
+// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20260413T002526+08:00.MEUCIQDtbn9VsvXD5i0CDDpX
+// vaa/uR8bjm5CuvKZFs9gIVFfxwIgYXGJkKom0g+uG6QB6jqi31d7Vtyg80SWmyRAi5aZCvk=

script-meta-v2.json

@@ -82,11 +82,11 @@
   },
   "md.rs": {
     "script_name": "md.rs",
-    "script_length": 2081,
-    "script_sha256": "d4723b7f59bd9e805a4a482e3107f2f30ec70d24d8efb3717b7bc7008a1cc67b",
+    "script_length": 4052,
+    "script_sha256": "eaf9e006406250ae6841b62ea75d751826e42562e6117b505b77fc9f594cdff5",
     "script_full_url": "https://git.hatter.ink/rust-scripts/scriptbase/raw/branch/main/md-rs/src/main.rs",
     "publish_time": 1775921621093,
-    "update_time": 1776009548379
+    "update_time": 1776011164981
   },
   "myip.rs": {
     "script_name": "myip.rs",

script-meta.json

@@ -46,8 +46,8 @@
   },
   "md-rs": {
     "script_name": "md-rs",
-    "script_length": 2081,
-    "script_sha256": "d4723b7f59bd9e805a4a482e3107f2f30ec70d24d8efb3717b7bc7008a1cc67b"
+    "script_length": 4052,
+    "script_sha256": "eaf9e006406250ae6841b62ea75d751826e42562e6117b505b77fc9f594cdff5"
   },
   "myip-rs": {
     "script_name": "myip-rs",