feat(fetch): add Accept headers where appropriate (#554)

4 files changed, 20 insertions, 4 deletions

diff --git a/lua/mason-core/managers/cargo/client.lua b/lua/mason-core/managers/cargo/client.lua
index d5ecb283..82dc85aa 100644
--- a/lua/mason-core/managers/cargo/client.lua
+++ b/lua/mason-core/managers/cargo/client.lua
@@ -8,7 +8,11 @@ local M = {}
 ---@param crate string
 ---@return Result # Result<CrateResponse>
 function M.fetch_crate(crate)
-    return fetch(("https://crates.io/api/v1/crates/%s"):format(crate)):map_catching(vim.json.decode)
+    return fetch(("https://crates.io/api/v1/crates/%s"):format(crate), {
+        headers = {
+            Accept = "application/json",
+        },
+    }):map_catching(vim.json.decode)
 end
 
 return M
diff --git a/lua/mason-core/managers/github/client.lua b/lua/mason-core/managers/github/client.lua
index e375c45a..9583ab6d 100644
--- a/lua/mason-core/managers/github/client.lua
+++ b/lua/mason-core/managers/github/client.lua
@@ -25,7 +25,11 @@ local function gh_api_call(path, opts)
         .gh({ "api", path, env = { CLICOLOR_FORCE = 0 } })
         :map(_.prop "stdout")
         :recover_catching(function()
-            return fetch(("https://api.github.com/%s"):format(path)):get_or_throw()
+            return fetch(("https://api.github.com/%s"):format(path), {
+                headers = {
+                    Accept = "application/vnd.github.v3+json; q=1.0, application/json; q=0.8",
+                },
+            }):get_or_throw()
         end)
         :map_catching(vim.json.decode)
 end
diff --git a/lua/mason-registry/api.lua b/lua/mason-registry/api.lua
index 3fcd9423..037d7fd6 100644
--- a/lua/mason-registry/api.lua
+++ b/lua/mason-registry/api.lua
@@ -17,7 +17,11 @@ function api.get(path, opts)
         local params = stringify_params(opts.params)
         path = ("%s?%s"):format(path, params)
     end
-    return fetch(("%s%s"):format(BASE_URL, path)):map_catching(vim.json.decode)
+    return fetch(("%s%s"):format(BASE_URL, path), {
+        headers = {
+            Accept = "application/vnd.mason-registry.v1+json; q=1.0, application/json; q=0.8",
+        },
+    }):map_catching(vim.json.decode)
 end
 
 return api
diff --git a/tests/mason-registry/api_spec.lua b/tests/mason-registry/api_spec.lua
index b871520b..f7b1bf45 100644
--- a/tests/mason-registry/api_spec.lua
+++ b/tests/mason-registry/api_spec.lua
@@ -24,7 +24,11 @@ describe("mason-registry API", function()
         })
 
         assert.spy(fetch).was_called(1)
-        assert.spy(fetch).was_called_with "https://api.mason-registry.dev/api/data?page=2&page_limit=10&sort=ASC"
+        assert.spy(fetch).was_called_with("https://api.mason-registry.dev/api/data?page=2&page_limit=10&sort=ASC", {
+            headers = {
+                Accept = "application/vnd.mason-registry.v1+json; q=1.0, application/json; q=0.8",
+            },
+        })
     end)
 
     it("should deserialize JSON", function()