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pkg/environment: Remove some file-based functions

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This commit removes certain file-based functions from 'pkg/environment',
continuing the migration to entirely remove the package.
This commit is contained in:
Tom Wiesing 2023-03-02 11:15:15 +01:00
parent 39207a1cb5
commit 45540ab253
No known key found for this signature in database
20 changed files with 52 additions and 120 deletions
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23
pkg/environment/environment.go
View file

@ -3,7 +3,6 @@ package environment
import (
"io"
"io/fs"
"time"
)
// Environment represents an environment that a program can run it.
@ -11,31 +10,9 @@ import (
type Environment interface {
isEnv()
GetEnv(name string) string
Stat(path string) (fs.FileInfo, error)
Lstat(path string) (fs.FileInfo, error)
Readlink(path string) (string, error)
Symlink(oldname, newname string) error
ReadDir(name string) ([]fs.DirEntry, error)
Open(path string) (fs.File, error)
Chtimes(name string, atime time.Time, mtime time.Time) error
SameFile(f1, f2 fs.FileInfo) bool
Create(path string, mode fs.FileMode) (WritableFile, error)
Mkdir(path string, mode fs.FileMode) error
MkdirAll(path string, mode fs.FileMode) error
Remove(path string) error
RemoveAll(path string) error
WalkDir(root string, fn fs.WalkDirFunc) error
Abs(path string) (string, error)
}
type WritableFile interface {

11
pkg/environment/globals.go
View file

@ -8,15 +8,6 @@ import (
"github.com/tkw1536/pkglib/pools"
)
// ExecCommandError is returned by Exec when a command could not be executed.
// This typically hints that the executable cannot be found, but may have other causes.
const ExecCommandError = 127
// ExecCommandErrorFunc always returns ExecCommandError.
func ExecCommandErrorFunc() int {
return ExecCommandError
}
// DefaultFilePerm is the default mode to use for files
const DefaultFilePerm fs.FileMode = 0666
@ -51,7 +42,7 @@ func WriteFile(env Environment, path string, data []byte, mode fs.FileMode) erro
// ReadFile is like [os.ReadFile]
func ReadFile(env Environment, path string) ([]byte, error) {
// open the file!
file, err := env.Open(path)
file, err := os.Open(path)
if err != nil {
return nil, err
}

53
pkg/environment/native_fs.go
View file

@ -3,7 +3,6 @@ package environment
import (
"io/fs"
"os"
"path/filepath"
"sync"
"syscall"
"time"
@ -26,46 +25,6 @@ func (n *Native) resetMask() {
n.ulock.Unlock()
}
func (*Native) GetEnv(name string) string {
return os.Getenv(name)
}
func (*Native) Stat(path string) (fs.FileInfo, error) {
return os.Stat(path)
}
func (*Native) Lstat(path string) (fs.FileInfo, error) {
return os.Lstat(path)
}
func (*Native) Readlink(path string) (string, error) {
return os.Readlink(path)
}
func (*Native) Symlink(oldname, newname string) error {
return os.Symlink(oldname, newname)
}
func (*Native) ReadDir(name string) ([]fs.DirEntry, error) {
return os.ReadDir(name)
}
func (*Native) SameFile(f1, f2 fs.FileInfo) bool {
return os.SameFile(f1, f2)
}
func (*Native) WalkDir(path string, f fs.WalkDirFunc) error {
return filepath.WalkDir(path, f)
}
func (*Native) Executable() (string, error) {
return os.Executable() // TODO: not sure this works with the remote concepts
}
func (*Native) Open(path string) (fs.File, error) {
return os.Open(path)
}
func (n *Native) Create(path string, mode fs.FileMode) (WritableFile, error) {
n.ulock.Lock()
defer n.ulock.Unlock()
@ -90,15 +49,3 @@ func (n *Native) MkdirAll(path string, mode fs.FileMode) error {
return os.MkdirAll(path, fs.ModeDir|mode)
}
func (*Native) Remove(path string) error {
return os.Remove(path)
}
func (*Native) RemoveAll(path string) error {
return os.RemoveAll(path)
}
func (*Native) Abs(path string) (string, error) {
return filepath.Abs(path)
}

11
pkg/fsx/copy.go
View file

@ -4,6 +4,7 @@ import (
"context"
"errors"
"io/fs"
"os"
"path/filepath"
"github.com/FAU-CDI/wisski-distillery/pkg/environment"
@ -27,7 +28,7 @@ func CopyFile(ctx context.Context, env environment.Environment, dst, src string)
}
// open the source
srcFile, err := env.Open(src)
srcFile, err := os.Open(src)
if err != nil {
return err
}
@ -64,20 +65,20 @@ func CopyLink(ctx context.Context, env environment.Environment, dst, src string)
}
// read the link target
target, err := env.Readlink(src)
target, err := os.Readlink(src)
if err != nil {
return err
}
// delete it if it already exists
if Exists(env, dst) {
if err := env.Remove(dst); err != nil {
if err := os.Remove(dst); err != nil {
return err
}
}
// make the symbolic link!
return env.Symlink(target, dst)
return os.Symlink(target, dst)
}
var ErrDstFile = errors.New("dst is a file")
@ -98,7 +99,7 @@ func CopyDirectory(ctx context.Context, env environment.Environment, dst, src st
return ErrDstFile
}
return env.WalkDir(src, func(path string, d fs.DirEntry, err error) error {
return filepath.WalkDir(src, func(path string, d fs.DirEntry, err error) error {
// someone previously returned an error
if err != nil {
return err

11
pkg/fsx/same.go
View file

@ -1,6 +1,7 @@
package fsx
import (
"os"
"path/filepath"
"github.com/FAU-CDI/wisski-distillery/pkg/environment"
@ -44,13 +45,13 @@ func SameFile(env environment.Environment, path1, path2 string) bool {
func couldBeSameFile(env environment.Environment, path1, path2 string) (same, authorative bool) {
{
// stat both files
info1, err1 := env.Stat(path1)
info2, err2 := env.Stat(path2)
info1, err1 := os.Stat(path1)
info2, err2 := os.Stat(path2)
// both files exist => check using env.SameFile
// the result is always authorative
if err1 == nil && err2 == nil {
same = env.SameFile(info1, info2)
same = os.SameFile(info1, info2)
authorative = true
return
}
@ -68,8 +69,8 @@ func couldBeSameFile(env environment.Environment, path1, path2 string) (same, au
{
// resolve paths absolutely
rpath1, err1 := env.Abs(path1)
rpath2, err2 := env.Abs(path2)
rpath1, err1 := filepath.Abs(path1)
rpath2, err2 := filepath.Abs(path2)
// if either path could not be resolved absolutely
// fallback to just using clean!

5
pkg/fsx/touch.go
View file

@ -2,6 +2,7 @@ package fsx
import (
"io/fs"
"os"
"time"
"github.com/FAU-CDI/wisski-distillery/pkg/environment"
@ -16,7 +17,7 @@ func Touch(env environment.Environment, path string, perm fs.FileMode) error {
if perm == 0 {
perm = environment.DefaultFilePerm
}
_, err := env.Stat(path)
_, err := os.Stat(path)
switch {
case environment.IsNotExist(err):
f, err := env.Create(path, perm)
@ -29,6 +30,6 @@ func Touch(env environment.Environment, path string, perm fs.FileMode) error {
return err
default:
now := time.Now().Local()
return env.Chtimes(path, now, now)
return os.Chtimes(path, now, now)
}
}

9
pkg/fsx/type.go
View file

@ -3,30 +3,31 @@ package fsx
import (
"io/fs"
"os"
"github.com/FAU-CDI/wisski-distillery/pkg/environment"
)
// Exists checks if the given path exists
func Exists(env environment.Environment, path string) bool {
_, err := env.Lstat(path)
_, err := os.Lstat(path)
return err == nil
}
// IsDirectory checks if the provided path exists and is a directory
func IsDirectory(env environment.Environment, path string) bool {
info, err := env.Stat(path)
info, err := os.Stat(path)
return err == nil && info.Mode().IsDir()
}
// IsFile checks if the provided path exists and is a regular file
func IsFile(env environment.Environment, path string) bool {
info, err := env.Stat(path)
info, err := os.Stat(path)
return err == nil && info.Mode().IsRegular()
}
// IsLink checks if the provided path exists and is a symlink
func IsLink(env environment.Environment, path string) bool {
info, err := env.Lstat(path)
info, err := os.Lstat(path)
return err == nil && info.Mode()&fs.ModeSymlink != 0
}

5
pkg/targz/targz.go
View file

@ -6,6 +6,7 @@ import (
"compress/gzip"
"io"
"io/fs"
"os"
"path/filepath"
"github.com/FAU-CDI/wisski-distillery/pkg/environment"
@ -32,7 +33,7 @@ func Package(env environment.Environment, dst, src string, onCopy func(rel strin
defer tarHandle.Close()
// and walk through it!
err = env.WalkDir(src, func(path string, entry fs.DirEntry, err error) error {
err = filepath.WalkDir(src, func(path string, entry fs.DirEntry, err error) error {
if err != nil {
return err
}
@ -75,7 +76,7 @@ func Package(env environment.Environment, dst, src string, onCopy func(rel strin
}
// open the file
handle, err := env.Open(path)
handle, err := os.Open(path)
if err != nil {
return err
}

3
pkg/unpack/resource.go
View file

@ -3,6 +3,7 @@ package unpack
import (
"io"
"io/fs"
"os"
"path/filepath"
"github.com/FAU-CDI/wisski-distillery/pkg/environment"
@ -80,7 +81,7 @@ func installResource(env environment.Environment, dst string, src string, fsys f
func installDir(env environment.Environment, dst string, srcInfo fs.FileInfo, srcFile fs.ReadDirFile, src string, fsys fs.FS, onInstallFile func(dst, src string)) error {
// create the destination
dstStat, dstErr := env.Stat(dst)
dstStat, dstErr := os.Stat(dst)
switch {
case environment.IsNotExist(dstErr):
if err := env.MkdirAll(dst, srcInfo.Mode()); err != nil {