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//! Fish completions.
const std = @import("std");
const Config = @import("../config/Config.zig");
const Action = @import("../cli.zig").ghostty.Action;
/// A fish completions configuration that contains all the available commands
/// and options.
pub const completions = comptimeGenerateCompletions();
fn comptimeGenerateCompletions() []const u8 {
comptime {
@setEvalBranchQuota(50000);
var counter: std.Io.Writer.Discarding = .init(&.{});
try writeCompletions(&counter.writer);
var buf: [counter.count]u8 = undefined;
var writer: std.Io.Writer = .fixed(&buf);
try writeCompletions(&writer);
const final = buf;
return final[0..writer.end];
}
}
fn writeCompletions(writer: *std.Io.Writer) !void {
{
try writer.writeAll("set -l commands \"");
var count: usize = 0;
for (@typeInfo(Action).@"enum".fields) |field| {
if (std.mem.eql(u8, "help", field.name)) continue;
if (std.mem.eql(u8, "version", field.name)) continue;
if (count > 0) try writer.writeAll(" ");
try writer.writeAll("+");
try writer.writeAll(field.name);
count += 1;
}
try writer.writeAll("\"\n");
}
try writer.writeAll("complete -c ghostty -f\n");
try writer.writeAll("complete -c ghostty -s e -l help -f\n");
try writer.writeAll("complete -c ghostty -n \"not __fish_seen_subcommand_from $commands\" -l version -f\n");
for (@typeInfo(Config).@"struct".fields) |field| {
if (field.name[0] == '_') continue;
try writer.writeAll("complete -c ghostty -n \"not __fish_seen_subcommand_from $commands\" -l ");
try writer.writeAll(field.name);
try writer.writeAll(if (field.type != bool) " -r" else " ");
if (std.mem.startsWith(u8, field.name, "font-family"))
try writer.writeAll(" -f -a \"(ghostty +list-fonts | grep '^[A-Z]')\"")
else if (std.mem.eql(u8, "theme", field.name))
try writer.writeAll(" -f -a \"(ghostty +list-themes | sed -E 's/^(.*) \\(.*\\$/\\1/')\"")
else if (std.mem.eql(u8, "working-directory", field.name))
try writer.writeAll(" -f -k -a \"(__fish_complete_directories)\"")
else {
try writer.writeAll(if (field.type != Config.RepeatablePath) " -f" else " -F");
switch (@typeInfo(field.type)) {
.bool => {},
.@"enum" => |info| {
try writer.writeAll(" -a \"");
for (info.fields, 0..) |f, i| {
if (i > 0) try writer.writeAll(" ");
try writer.writeAll(f.name);
}
try writer.writeAll("\"");
},
.@"struct" => |info| {
if (!@hasDecl(field.type, "parseCLI") and info.layout == .@"packed") {
try writer.writeAll(" -a \"");
for (info.fields, 0..) |f, i| {
if (i > 0) try writer.writeAll(" ");
try writer.writeAll(f.name);
try writer.writeAll(" no-");
try writer.writeAll(f.name);
}
try writer.writeAll("\"");
}
},
else => {},
}
}
try writer.writeAll("\n");
}
{
try writer.writeAll("complete -c ghostty -n \"string match -q -- '+*' (commandline -pt)\" -f -a \"");
var count: usize = 0;
for (@typeInfo(Action).@"enum".fields) |field| {
if (std.mem.eql(u8, "help", field.name)) continue;
if (std.mem.eql(u8, "version", field.name)) continue;
if (count > 0) try writer.writeAll(" ");
try writer.writeAll("+");
try writer.writeAll(field.name);
count += 1;
}
try writer.writeAll("\"\n");
}
for (@typeInfo(Action).@"enum".fields) |field| {
if (std.mem.eql(u8, "help", field.name)) continue;
if (std.mem.eql(u8, "version", field.name)) continue;
const options = @field(Action, field.name).options();
for (@typeInfo(options).@"struct".fields) |opt| {
if (opt.name[0] == '_') continue;
try writer.writeAll("complete -c ghostty -n \"__fish_seen_subcommand_from +" ++ field.name ++ "\" -l ");
try writer.writeAll(opt.name);
try writer.writeAll(if (opt.type != bool) " -r" else "");
// special case +validate_config --config-file
if (std.mem.eql(u8, "config-file", opt.name)) {
try writer.writeAll(" -F");
} else try writer.writeAll(" -f");
switch (@typeInfo(opt.type)) {
.bool => {},
.@"enum" => |info| {
try writer.writeAll(" -a \"");
for (info.fields, 0..) |f, i| {
if (i > 0) try writer.writeAll(" ");
try writer.writeAll(f.name);
}
try writer.writeAll("\"");
},
.optional => |optional| {
switch (@typeInfo(optional.child)) {
.@"enum" => |info| {
try writer.writeAll(" -a \"");
for (info.fields, 0..) |f, i| {
if (i > 0) try writer.writeAll(" ");
try writer.writeAll(f.name);
}
try writer.writeAll("\"");
},
else => {},
}
},
else => {},
}
try writer.writeAll("\n");
}
}
}
|
