feat(ui): display warning and error message if registry is not installed (#1164)

6 files changed, 82 insertions, 22 deletions

diff --git a/lua/mason-registry/sources/github.lua b/lua/mason-registry/sources/github.lua
index 704c78d8..7920e0d7 100644
--- a/lua/mason-registry/sources/github.lua
+++ b/lua/mason-registry/sources/github.lua
@@ -123,7 +123,11 @@ function GitHubRegistrySource:install()
         if version == nil then
             log.trace("Resolving latest version for registry", self)
             ---@type GitHubRelease
-            local release = try(providers.github.get_latest_release(self.spec.repo))
+            local release = try(
+                providers.github
+                    .get_latest_release(self.spec.repo)
+                    :map_err(_.always "Failed to fetch latest registry version from GitHub API.")
+            )
             version = release.tag_name
             log.trace("Resolved latest registry version", self, version)
         end
diff --git a/lua/mason/ui/colors.lua b/lua/mason/ui/colors.lua
index 7cb1ed92..cdae3f28 100644
--- a/lua/mason/ui/colors.lua
+++ b/lua/mason/ui/colors.lua
@@ -17,7 +17,8 @@ local hl_groups = {
     MasonMutedBlock = { bg = "#888888", fg = "#222222", default = true },
     MasonMutedBlockBold = { bg = "#888888", fg = "#222222", bold = true, default = true },
 
-    MasonError = { fg = "#f44747", default = true },
+    MasonError = { link = "ErrorMsg", default = true },
+    MasonWarning = { link = "WarningMsg", default = true },
 
     MasonHeading = { bold = true, default = true },
 }
diff --git a/lua/mason/ui/components/header.lua b/lua/mason/ui/components/header.lua
index 484753ae..fc2aeac6 100644
--- a/lua/mason/ui/components/header.lua
+++ b/lua/mason/ui/components/header.lua
@@ -1,22 +1,62 @@
 local Ui = require "mason-core.ui"
+local _ = require "mason-core.functional"
 local p = require "mason.ui.palette"
+local settings = require "mason.settings"
 
 ---@param state InstallerUiState
 return function(state)
-    return Ui.CascadingStyleNode({ "CENTERED" }, {
-        Ui.HlTextNode {
-            Ui.When(state.view.is_showing_help, {
-                p.header_secondary(" " .. state.header.title_prefix .. " mason.nvim "),
-                p.none((" "):rep(#state.header.title_prefix + 1)),
-            }, {
-                p.header " mason.nvim ",
-            }),
-            Ui.When(
-                state.view.is_showing_help,
-                { p.none "        press ", p.highlight_secondary "g?", p.none " for package list" },
-                { p.none "press ", p.highlight "g?", p.none " for help" }
-            ),
-            { p.Comment "https://github.com/williamboman/mason.nvim" },
-        },
-    })
+    local uninstalled_registries = _.filter(_.prop_eq("is_installed", false), state.info.registries)
+
+    return Ui.Node {
+        Ui.CascadingStyleNode({ "CENTERED" }, {
+            Ui.HlTextNode {
+                Ui.When(state.view.is_showing_help, {
+                    p.header_secondary(" " .. state.header.title_prefix .. " mason.nvim "),
+                    p.none((" "):rep(#state.header.title_prefix + 1)),
+                }, {
+                    p.header " mason.nvim ",
+                }),
+                Ui.When(
+                    state.view.is_showing_help,