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const options = @import("options");
const std = @import("std");
const assert = std.debug.assert;
const cli = @import("cli.zig");
const fs = @import("fs.zig");
const conf = @import("conf.zig");
const Self = @This();
allocator: std.mem.Allocator,
prefix: []const u8,
etc: []const u8, // ${PREFIX}/etc/
args: *cli.Args,
config: conf.Config,
ports_dir: []const u8,
distfiles_dir: []const u8,
distfiles_history: usize,
default_category: ?[]const u8,
default_repo_branch: []const u8,
editor_cmd: ?[]const u8,
pub fn init(allocator: std.mem.Allocator, etc: []const u8, args: *cli.Args) Self {
const prefix = if (options.path_prefix[options.path_prefix.len - 1] == '/')
options.path_prefix[0 .. options.path_prefix.len - 1]
else
options.path_prefix;
const config = read_config(allocator, .join(.{ etc, "porteur/porteur.conf" }));
var self: Self = .{
.allocator = allocator,
.prefix = prefix,
.etc = etc,
.args = args,
.config = config,
.ports_dir = std.posix.getenvZ("PORTSDIR") orelse "/usr/ports",
.distfiles_dir = prefix ++ "/porteur/distfiles/{{TREENAME}}",
.distfiles_history = 1,
.default_category = null,
.default_repo_branch = "main",
.editor_cmd = null,
};
var iter = config.iterate();
while (iter.next()) |v| {
if (std.mem.eql(u8, v.key, "portsdir") and v.val.len > 0) {
self.ports_dir = v.val;
} else if (std.mem.eql(u8, v.key, "distfiles-dir") and v.val.len > 0) {
self.distfiles_dir = std.mem.trimEnd(u8, v.val, "/");
} else if (std.mem.eql(u8, v.key, "distfiles-history") and v.val.len > 0) {
self.distfiles_history = history: {
var res: usize = 0;
for (v.val) |c| {
if (c < '0' or c > '9') {
self.warn("invalid distfile history `{s}` (falling back to 1)", .{v.val});
break :history 1;
}
const m = @mulWithOverflow(res, @as(usize, 10));
const a = @addWithOverflow(m[0], @as(usize, @intCast(c - '0')));
if (m[1] != 0 or a[1] != 0) {
break :history std.math.maxInt(usize);
}
res = a[0];
}
break :history res;
};
} else if (std.mem.eql(u8, v.key, "category") and v.val.len > 0) {
self.default_category = v.val;
} else if (std.mem.eql(u8, v.key, "git-branch") and v.val.len > 0) {
self.default_repo_branch = v.val;
} else if (std.mem.eql(u8, v.key, "editor") and v.val.len > 0) {
self.editor_cmd = v.val;
} else {
self.warn("unknown porteur configuration `{s}`", .{v.key});
}
}
return self;
}
/// Return a subpath of the configuration directory.
pub fn etc_path(self: Self, subpath: anytype) fs.Path {
var etc: fs.Path = .join(.{ self.etc, "porteur" });
etc.append(subpath);
return etc;
}
/// Return a subpath of a ports tree's root directory.
pub fn ports_tree_path(self: Self, tree_name: []const u8, subpath: anytype) fs.Path {
var p: fs.Path = .join(.{ self.prefix, "porteur/ports", tree_name });
p.append(subpath);
return p;
}
/// Return the directory that contains the port's distfiles.
pub fn ports_dist_dir(self: Self, tree_name: []const u8, port_name: []const u8) fs.Path {
var dest: fs.Path = undefined;
dest.len = 0;
var src = self.distfiles_dir;
loop: while (src.len > 0) {
inline for ([_]struct { key: []const u8, val: []const u8 }{
.{ .key = "{{TREENAME}}", .val = tree_name },
.{ .key = "{{PORTNAME}}", .val = port_name },
}) |v| {
if (std.mem.indexOf(u8, src, v.key)) |idx| {
@memcpy(dest.buf[dest.len .. dest.len + idx], src[0..idx]);
dest.len += idx;
@memcpy(dest.buf[dest.len .. dest.len + v.val.len], v.val);
dest.len += v.val.len;
src = src[idx + v.key.len ..];
continue :loop;
}
}
@memcpy(dest.buf[dest.len .. dest.len + src.len], src);
dest.len += src.len;
break :loop;
}
dest.buf[dest.len] = 0;
return dest;
}
/// Return a subpath of the directory that contains the sources of all the ports of a
/// ports tree.
pub fn ports_src_path(self: Self, tree_name: []const u8, subpath: anytype) fs.Path {
var p: fs.Path = .join(.{ self.prefix, "porteur/src", tree_name });
p.append(subpath);
return p;
}
/// Return the subpath of a temporary working directory.
pub fn work_path(self: Self, subpath: anytype) fs.Path {
var p: fs.Path = .join(.{ self.prefix, "porteur/.wrk" });
p.append(subpath);
return p;
}
pub fn alloc(self: Self, size: usize) []u8 {
return self.allocator.alloc(u8, size) catch cli.fatal("out of memory", .{});
}
pub fn dealloc(self: Self, bytes: []const u8) void {
self.allocator.free(bytes);
}
pub fn err(self: Self, comptime fmt: []const u8, args: anytype) void {
_ = self;
cli.stderr.write_line("Error: " ++ fmt, args);
cli.stderr.flush();
}
pub fn warn(self: Self, comptime fmt: []const u8, args: anytype) void {
_ = self;
cli.stderr.write_line("Warning: " ++ fmt, args);
cli.stderr.flush();
}
pub fn info(self: Self, comptime fmt: []const u8, args: anytype) void {
_ = self;
cli.stdout.write_line(fmt, args);
cli.stdout.flush();
}
fn read_config(allocator: std.mem.Allocator, conf_file: fs.Path) conf.Config {
if (conf.Config.from_file(allocator, conf_file.name())) |res| {
return switch (res) {
.conf => |c| c,
.err => |e| empty: {
cli.stderr.write_line("Error: {s} (line {d})", .{ e.msg, e.line });
cli.stderr.flush();
break :empty .init(allocator);
},
};
} else |e| {
cli.stderr.write_line("Error: cannot read config ({s})", .{@errorName(e)});
cli.stderr.flush();
return .init(allocator);
}
}
test "replace distdir variables" {
var env: Self = undefined;
var dir: fs.Path = undefined;
env.distfiles_dir = "/porteur/distfiles";
dir = env.ports_dist_dir("not-relevant", "not-relevant");
try std.testing.expectEqualStrings("/porteur/distfiles", dir.name());
env.distfiles_dir = "/porteur/distfiles/{{TREENAME}}";
dir = env.ports_dist_dir("default", "not-relevant");
try std.testing.expectEqualStrings("/porteur/distfiles/default", dir.name());
env.distfiles_dir = "/porteur/distfiles/{{TREENAME}}/{{PORTNAME}}";
dir = env.ports_dist_dir("default", "myport");
try std.testing.expectEqualStrings("/porteur/distfiles/default/myport", dir.name());
}
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