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1 | #! /usr/bin/env bb | |
2 | ; -*- mode: clojure -*- | |
3 | ||
4 | (require '[cheshire.core :as json] | |
5 | '[org.httpkit.client :as http] | |
6 | '[babashka.fs :as fs] | |
7 | '[clojure.java.io :as io] | |
8 | '[lib :refer [download-binary expand-home run-cmd]]) | |
9 | ||
10 | (defn babashka-latest-version | |
11 | [] | |
12 | (-> @(http/get "https://api.github.com/repos/babashka/babashka/tags") | |
13 | :body | |
14 | (json/parse-string true) | |
15 | first | |
16 | :name | |
17 | (subs 1))) | |
18 | ||
19 | (defn get-download-url | |
20 | [version architecture] | |
21 | (str "https://github.com/babashka/babashka/releases/download/v" | |
22 | version | |
23 | "/babashka-" | |
24 | version | |
25 | "-" | |
26 | architecture | |
27 | ".tar.gz")) | |
28 | ||
29 | (defn check-latest | |
30 | [version] | |
31 | (when (= (System/getProperty "babashka.version") version) | |
32 | (println "Already using the latest version.") | |
33 | (System/exit 0))) | |
34 | ||
35 | (defn download-latest | |
36 | [version architecture output] | |
37 | (let [url (get-download-url version architecture)] | |
38 | (download-binary url output))) | |
39 | ||
40 | (defn update-babashka | |
41 | [] | |
42 | (let [architecture "linux-amd64" ;; TODO support other architectures | |
43 | tarball "babashka.tar.gz" | |
44 | destination (expand-home "~/bin") | |
45 | version (babashka-latest-version)] | |
46 | (println (str "Latest version is " version)) | |
47 | (check-latest version) | |
48 | (println "Updating...") | |
49 | (download-latest version architecture tarball) | |
50 | (run-cmd ["tar" "-xzf" tarball "--directory" destination]) | |
51 | (fs/set-posix-file-permissions (str destination "/bb") "rwxr-xr-x") | |
52 | (io/delete-file tarball) | |
53 | (println "Done!"))) | |
54 | ||
55 | (when (= *file* (System/getProperty "babashka.file")) (update-babashka)) |