hakurei/cmd/hpkg/paths.go
Ophestra e99d7affb0
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container: use absolute for pathname
This is simultaneously more efficient and less error-prone. This change caused minor API changes in multiple other packages.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-11 04:56:42 +09:00

117 lines
4.0 KiB
Go

package main
import (
"log"
"os"
"os/exec"
"strconv"
"sync/atomic"
"hakurei.app/container"
"hakurei.app/hst"
"hakurei.app/internal/hlog"
)
const bash = "bash"
var (
dataHome *container.Absolute
)
func init() {
// dataHome
if a, err := container.NewAbs(os.Getenv("HAKUREI_DATA_HOME")); err == nil {
dataHome = a
} else {
dataHome = container.AbsFHSVarLib.Append("hakurei/" + strconv.Itoa(os.Getuid()))
}
}
var (
pathBin = container.AbsFHSRoot.Append("bin")
pathNix = container.MustAbs("/nix/")
pathNixStore = pathNix.Append("store/")
pathCurrentSystem = container.AbsFHSRun.Append("current-system")
pathSwBin = pathCurrentSystem.Append("sw/bin/")
pathShell = pathSwBin.Append(bash)
pathData = container.MustAbs("/data")
pathDataData = pathData.Append("data")
)
func lookPath(file string) string {
if p, err := exec.LookPath(file); err != nil {
log.Fatalf("%s: command not found", file)
return ""
} else {
return p
}
}
var beforeRunFail = new(atomic.Pointer[func()])
func mustRun(name string, arg ...string) {
hlog.Verbosef("spawning process: %q %q", name, arg)
cmd := exec.Command(name, arg...)
cmd.Stdin, cmd.Stdout, cmd.Stderr = os.Stdin, os.Stdout, os.Stderr
if err := cmd.Run(); err != nil {
if f := beforeRunFail.Swap(nil); f != nil {
(*f)()
}
log.Fatalf("%s: %v", name, err)
}
}
type appPathSet struct {
// ${dataHome}/${id}
baseDir *container.Absolute
// ${baseDir}/app
metaPath *container.Absolute
// ${baseDir}/files
homeDir *container.Absolute
// ${baseDir}/cache
cacheDir *container.Absolute
// ${baseDir}/cache/nix
nixPath *container.Absolute
}
func pathSetByApp(id string) *appPathSet {
pathSet := new(appPathSet)
pathSet.baseDir = dataHome.Append(id)
pathSet.metaPath = pathSet.baseDir.Append("app")
pathSet.homeDir = pathSet.baseDir.Append("files")
pathSet.cacheDir = pathSet.baseDir.Append("cache")
pathSet.nixPath = pathSet.cacheDir.Append("nix")
return pathSet
}
func appendGPUFilesystem(config *hst.Config) {
config.Container.Filesystem = append(config.Container.Filesystem, []hst.FilesystemConfig{
// flatpak commit 763a686d874dd668f0236f911de00b80766ffe79
{Src: container.AbsFHSDev.Append("dri"), Device: true},
// mali
{Src: container.AbsFHSDev.Append("mali"), Device: true},
{Src: container.AbsFHSDev.Append("mali0"), Device: true},
{Src: container.AbsFHSDev.Append("umplock"), Device: true},
// nvidia
{Src: container.AbsFHSDev.Append("nvidiactl"), Device: true},
{Src: container.AbsFHSDev.Append("nvidia-modeset"), Device: true},
// nvidia OpenCL/CUDA
{Src: container.AbsFHSDev.Append("nvidia-uvm"), Device: true},
{Src: container.AbsFHSDev.Append("nvidia-uvm-tools"), Device: true},
// flatpak commit d2dff2875bb3b7e2cd92d8204088d743fd07f3ff
{Src: container.AbsFHSDev.Append("nvidia0"), Device: true}, {Src: container.AbsFHSDev.Append("nvidia1"), Device: true},
{Src: container.AbsFHSDev.Append("nvidia2"), Device: true}, {Src: container.AbsFHSDev.Append("nvidia3"), Device: true},
{Src: container.AbsFHSDev.Append("nvidia4"), Device: true}, {Src: container.AbsFHSDev.Append("nvidia5"), Device: true},
{Src: container.AbsFHSDev.Append("nvidia6"), Device: true}, {Src: container.AbsFHSDev.Append("nvidia7"), Device: true},
{Src: container.AbsFHSDev.Append("nvidia8"), Device: true}, {Src: container.AbsFHSDev.Append("nvidia9"), Device: true},
{Src: container.AbsFHSDev.Append("nvidia10"), Device: true}, {Src: container.AbsFHSDev.Append("nvidia11"), Device: true},
{Src: container.AbsFHSDev.Append("nvidia12"), Device: true}, {Src: container.AbsFHSDev.Append("nvidia13"), Device: true},
{Src: container.AbsFHSDev.Append("nvidia14"), Device: true}, {Src: container.AbsFHSDev.Append("nvidia15"), Device: true},
{Src: container.AbsFHSDev.Append("nvidia16"), Device: true}, {Src: container.AbsFHSDev.Append("nvidia17"), Device: true},
{Src: container.AbsFHSDev.Append("nvidia18"), Device: true}, {Src: container.AbsFHSDev.Append("nvidia19"), Device: true},
}...)
}