1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
const libarchive = @import("libarchive");
const curl = @import("curl");
const std = @import("std");
const xdg = @import("xdg");
const zup = @import("zup");
const Allocator = std.mem.Allocator;
const ArchiveRead = libarchive.Read;
const Installation = zup.Installation;
const Installations = zup.Installations;
pub const params =
\\-f, --force Install over existing installations
\\<NAME>
;
pub const description = "Installs a Zig version. Run `zup list -i` to see installed <NAME>s.";
pub const min_args = 1;
pub const max_args = 1;
pub fn main(comptime Result: type, allocator: Allocator, res: Result) !void {
var available = try Installation.getAvailableList(allocator);
defer Installation.deinitMap(allocator, &available);
return perform(allocator, res.positionals[0], res.args.force, available);
}
pub fn perform(allocator: Allocator, name: []const u8, force: bool, available: Installations) !void {
if (!force and try Installation.isInstalled(allocator, name)) {
std.log.err("{s} already installed, not overwriting without --force!", .{name});
return error.AlreadyInstalled;
}
const installation = available.get(name) orelse {
std.log.err("Installation by name {s} not available!", .{name});
return error.InstallationNotFound;
};
if (installation.url == null) {
std.log.err("No tarball URL for {s} found!", .{name});
}
const installation_dir = blk: {
const data_home = try xdg.getDataHome(allocator, "zup");
defer allocator.free(data_home);
break :blk try std.fs.path.join(allocator, &.{ data_home, name });
};
defer allocator.free(installation_dir);
std.log.info("Installing {s}, version {}", .{ name, installation.version });
const filename = std.fs.path.basename(installation.url.?);
// TODO: Platform-agnostic tempfile creation
var tmpname = try std.fmt.allocPrintZ(allocator, "/tmp/{s}", .{filename});
defer allocator.free(tmpname);
var tmpdir = try std.fs.openDirAbsolute(std.fs.path.dirname(tmpname).?, .{});
defer tmpdir.close();
var tmpfile = try tmpdir.createFile(filename, .{});
defer {
tmpfile.close();
std.log.info("Deleting /tmp/{s}...", .{filename});
tmpdir.deleteFile(filename) catch |err| {
std.log.warn("Failed to delete /tmp/{s}: {}", .{ filename, err });
};
}
std.log.info("Downloading to /tmp/{s}...", .{filename});
try curl.easyDownloadToFile(&tmpfile, installation.url.?);
std.log.info("Extracting...", .{});
var archive = try ArchiveRead.init();
defer archive.deinit();
try archive.supportFilter(.all);
try archive.supportFormat(.all);
try archive.openFilename(tmpname, 10240);
while (try archive.nextHeader()) |*entry| {
const source = entry.pathname();
const dest = try preparePathname(allocator, installation_dir, source);
defer allocator.free(dest);
entry.setPathname(dest);
try archive.extract(entry.*, 0);
}
std.log.info("Installed to {s}", .{installation_dir});
if (!try Installation.isActive(allocator, name)) {
std.log.info("If you want to use this installation, run `zup switch {s}`", .{name});
}
}
fn preparePathname(allocator: Allocator, installation_dir: []const u8, source: []const u8) ![:0]u8 {
const stripped = if (std.mem.indexOfScalar(u8, source, '/')) |idx|
source[idx + 1 ..]
else
"";
return std.fs.path.joinZ(allocator, &.{ installation_dir, stripped });
}
|
