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Add 'environment' package

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This commit adds a new environment package that manages all calls to the
underlying operating system.
This commit is contained in:
Tom Wiesing 2022-09-18 14:24:22 +02:00
parent 822c70cd69
commit f19619ef9f
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60 changed files with 539 additions and 308 deletions
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11
pkg/targz/targz.go
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@ -6,17 +6,18 @@ import (
"compress/gzip"
"io"
"io/fs"
"os"
"path/filepath"
"github.com/FAU-CDI/wisski-distillery/pkg/environment"
)
// Package packages the source directory into a 'tar.gz' file into destination.
// If the destination already exists, it is truncated.
//
// onCopy, when not nil, is called for each file being copied into the archive.
func Package(dst, src string, onCopy func(rel string, src string)) (count int64, err error) {
func Package(env environment.Environment, dst, src string, onCopy func(rel string, src string)) (count int64, err error) {
// create the target archive
archive, err := os.Create(dst)
archive, err := env.Create(dst, environment.DefaultFilePerm)
if err != nil {
return 0, err
}
@ -31,7 +32,7 @@ func Package(dst, src string, onCopy func(rel string, src string)) (count int64,
defer tarHandle.Close()
// and walk through it!
err = filepath.WalkDir(src, func(path string, entry fs.DirEntry, err error) error {
err = env.WalkDir(src, func(path string, entry fs.DirEntry, err error) error {
if err != nil {
return err
}
@ -74,7 +75,7 @@ func Package(dst, src string, onCopy func(rel string, src string)) (count int64,
}
// open the file
handle, err := os.Open(path)
handle, err := env.Open(path)
if err != nil {
return err
}