add messages to mzteinit

scripts/mzteinit/src/env.zig

@@ -1,6 +1,8 @@
 const std = @import("std");
 const sysdaemon = @import("sysdaemon.zig");
 
+const msg = @import("message.zig").msg;
+
 const log = std.log.scoped(.env);
 
 const delimitedWriter = @import("delimited_writer.zig").delimitedWriter;
@@ -8,6 +10,7 @@ const delimitedWriter = @import("delimited_writer.zig").delimitedWriter;
 /// Initialize the environment.
 /// Returns true if the environment should be transferred to the system daemon.
 pub fn populateEnvironment(env: *std.process.EnvMap) !bool {
+    try msg("Loading environment...", .{});
     // buffer for building values for env vars
     var buf: [1024 * 8]u8 = undefined;
 
@@ -75,6 +78,7 @@ pub fn populateEnvironment(env: *std.process.EnvMap) !bool {
 
         // icon path
         icons: {
+            try msg("building $ICONPATH...", .{});
             const path = "/usr/share/icons/candy-icons";
             var dir = std.fs.openIterableDirAbsolute(path, .{}) catch {
                 log.warn(
@@ -126,6 +130,7 @@ pub fn populateEnvironment(env: *std.process.EnvMap) !bool {
 
         // racket bins
         racket: {
+            try msg("acquiring racket binary path...", .{});
             const res = std.ChildProcess.exec(.{
                 .allocator = alloc,
                 .argv = &.{
@@ -175,6 +180,8 @@ pub fn populateSysdaemonEnvironment(env: *const std.process.EnvMap) !void {
     if (try sysdaemon.getCurrentSystemDaemon() != .systemd)
         return;
 
+    try msg("updating SystemD environment...", .{});
+
     var argv = try std.ArrayList([]const u8).initCapacity(env.hash_map.allocator, env.count() + 3);
     defer argv.deinit();
 

scripts/mzteinit/src/figlet.zig

@@ -1,6 +1,8 @@
 const std = @import("std");
 const at = @import("ansi-term");
 
+const util = @import("util.zig");
+
 // r means switch to red
 const figlet =
     \\        __                   __r__  ________ ____________
@@ -15,12 +17,10 @@ pub fn writeFiglet(writer: anytype) !void {
     for (figlet) |char| {
         switch (char) {
             'r' => {
-                try at.format.updateStyle(writer, .{ .foreground = .Red }, style);
-                style = .{ .foreground = .Red };
+                try util.updateStyle(writer, &style, .{ .foreground = .Red });
             },
             '\n' => {
-                try at.format.updateStyle(writer, .{ .foreground = .Default }, style);
-                style = .{ .foreground = .Default };
+                try util.updateStyle(writer, &style, .{});
                 try writer.writeByte('\n');
             },
             else => try writer.writeByte(char),

scripts/mzteinit/src/main.zig

@@ -54,19 +54,9 @@ fn tryMain() !void {
     defer _ = gpa.deinit();
     const alloc = gpa.allocator();
 
-    var env_map = std.process.EnvMap.init(alloc);
+    var env_map = try std.process.getEnvMap(alloc);
     defer env_map.deinit();
 
-    for (std.os.environ) |env_var_z| {
-        const env_var = std.mem.span(env_var_z);
-        const eq_idx = std.mem.indexOfScalar(u8, env_var, '=').?;
-
-        const key = env_var[0..eq_idx];
-        const value = env_var[eq_idx + 1 ..];
-
-        try env_map.put(key, value);
-    }
-
     if (env_map.get("MZTEINIT")) |_| {
         try stdout.writer().writeAll("mzteinit running already, starting shell\n");
         try stdout.flush();

scripts/mzteinit/src/message.zig

@@ -0,0 +1,21 @@
+const std = @import("std");
+const at = @import("ansi-term");
+
+const util = @import("util.zig");
+
+pub fn msg(comptime fmt: []const u8, args: anytype) !void {
+    const writer = std.io.getStdErr().writer();
+    var style: ?at.style.Style = null;
+
+    try util.updateStyle(writer, &style, .{ .font_style = .{ .bold = true } });
+    try writer.writeByte('[');
+    try util.updateStyle(writer, &style, .{ .font_style = .{ .bold = true }, .foreground = .Red });
+    try writer.writeAll(" MZTEINIT ");
+    try util.updateStyle(writer, &style, .{ .font_style = .{ .bold = true } });
+    try writer.writeByte(']');
+    try util.updateStyle(writer, &style, .{ .foreground = .Cyan });
+
+    try std.fmt.format(writer, " " ++ fmt ++ "\n", args);
+
+    try util.updateStyle(writer, &style, .{});
+}

scripts/mzteinit/src/util.zig

@@ -1,3 +1,10 @@
+const at = @import("ansi-term");
+
 pub const ansi_clear = "\x1b[2J\x1b[1;1H";
 
 pub const ExitMode = enum { run, immediate, delayed };
+
+pub inline fn updateStyle(writer: anytype, current: *?at.style.Style, new: at.style.Style) !void {
+    try at.format.updateStyle(writer, new, current.*);
+    current.* = new;
+}