From 8024d64e1330b86044fed4c8494ef3dcd483a67c Mon Sep 17 00:00:00 2001
From: Fredrik Foss-Indrehus <fredrikfoss@fr.urbanpets.no>
Date: Sat, 24 May 2025 21:06:53 +0200
Subject: fix(fetch): add busybox wget support (#1829)

Co-authored-by: William Boman <william@redwill.se>
---
 lua/mason-core/fetch.lua | 31 ++++++++++++++++++++++++-------
 lua/mason/health.lua     |  2 +-
 2 files changed, 25 insertions(+), 8 deletions(-)

(limited to 'lua')

diff --git a/lua/mason-core/fetch.lua b/lua/mason-core/fetch.lua
index c1f01dc2..be79db1f 100644
--- a/lua/mason-core/fetch.lua
+++ b/lua/mason-core/fetch.lua
@@ -75,19 +75,36 @@ local function fetch(url, opts)
     end
 
     local function wget()
-        local headers =
-            _.sort_by(_.identity, _.map(_.compose(_.format "--header=%s", _.join ": "), _.to_pairs(opts.headers)))
+        local headers = _.sort_by(
+            _.nth(2),
+            _.map(
+                _.compose(function(header)
+                    return { "--header", header }
+                end, _.join ": "),
+                _.to_pairs(opts.headers)
+            )
+        )
+
+        if opts.data and opts.method ~= "POST" then
+            return Result.failure(("fetch: data provided but method is not POST (was %s)"):format(opts.method or "-"))
+        end
+
+        if not _.any(_.equals(opts.method), { "GET", "POST" }) then
+            -- Note: --spider can be used for HEAD support, if ever needed
+            return Result.failure(("fetch: wget doesn't support HTTP method %s"):format(opts.method))
+        end
+
         return spawn.wget {
             headers,
-            "-nv",
             "-o",
             "/dev/null",
             "-O",
             opts.out_file or "-",
-            ("--timeout=%s"):format(TIMEOUT_SECONDS),
-            ("--method=%s"):format(opts.method),
-            opts.data and {
-                ("--body-data=%s"):format(opts.data) or vim.NIL,
+            "-T",
+            TIMEOUT_SECONDS,
+            opts.data and opts.method == "POST" and {
+                "--post-data",
+                opts.data,
             } or vim.NIL,
             url,
         }
diff --git a/lua/mason/health.lua b/lua/mason/health.lua
index fcef1832..b105940d 100644
--- a/lua/mason/health.lua
+++ b/lua/mason/health.lua
@@ -94,7 +94,7 @@ local function check_core_utils()
     check { name = "unzip", cmd = "unzip", args = { "-v" }, relaxed = true }
 
     -- wget is used interchangeably with curl, but with lower priority, so we mark wget as relaxed
-    check { cmd = "wget", args = { "--version" }, name = "wget", relaxed = true }
+    check { cmd = "wget", args = { "--help" }, name = "wget", relaxed = true }
     check { cmd = "curl", args = { "--version" }, name = "curl" }
     check {
         cmd = "gzip",
-- 
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