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update error handling #45

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merged 9 commits into from
May 21, 2023
Merged

update error handling #45

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586e718
update error statement in sha package (#43)
JunNishimura May 21, 2023
c2b62ab
update error handling around commit process (#43)
JunNishimura May 21, 2023
957e31b
move ErrIOHandling from commit.go to error.go (#43)
JunNishimura May 21, 2023
f858568
Merge branch 'main' into #43
JunNishimura May 21, 2023
5b01376
update error handling in tree.go (#43)
JunNishimura May 21, 2023
b85058a
update error handling in object.go (#43)
JunNishimura May 21, 2023
04ba016
update error handling in index.go (#43)
JunNishimura May 21, 2023
84e4ce3
update error handling in cmd (#43)
JunNishimura May 21, 2023
084da1a
Merge branch 'main' into #43
JunNishimura May 21, 2023
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update error handling in index.go (#43)
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@JunNishimura
JunNishimura committed May 21, 2023
commit 04ba016389aa6f22f2b85ce6b56008aae0d894db
18 changes: 9 additions & 9 deletions store/index.go
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Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,7 @@ func NewIndex(rootGoitPath string) (*Index, error) {
indexPath = filepath.Join(rootGoitPath, "index")
if _, err := os.Stat(indexPath); !os.IsNotExist(err) {
if err := index.read(); err != nil {
return nil, fmt.Errorf("fail to read index: %v", err)
return nil, fmt.Errorf("fail to read index: %w", err)
}
}
return index, nil
Expand Down Expand Up @@ -142,7 +142,7 @@ func (idx *Index) read() error {
// read index
b, err := ioutil.ReadFile(indexPath)
if err != nil {
return fmt.Errorf("fail to read index: %v", err)
return fmt.Errorf("fail to read index: %w", err)
}

// make bytes reader
Expand All @@ -151,7 +151,7 @@ func (idx *Index) read() error {
// fixed length decoding
err = binary.Read(buf, binary.BigEndian, &idx.Header)
if err != nil {
return fmt.Errorf("fail to read index header: %v", err)
return fmt.Errorf("fail to read index header: %w", err)
}

// variable length decoding
Expand All @@ -160,21 +160,21 @@ func (idx *Index) read() error {
hash := make(sha.SHA1, 20)
err = binary.Read(buf, binary.BigEndian, &hash)
if err != nil {
return fmt.Errorf("fail to read hash from index: %v", err)
return fmt.Errorf("fail to read hash from index: %w", err)
}

// read file name length
var nameLength uint16
err = binary.Read(buf, binary.BigEndian, &nameLength)
if err != nil {
return fmt.Errorf("fail to read file name length from index: %v", err)
return fmt.Errorf("fail to read file name length from index: %w", err)
}

// read file path
path := make([]byte, nameLength)
err = binary.Read(buf, binary.BigEndian, &path)
if err != nil {
return fmt.Errorf("fail to read path from index: %v", err)
return fmt.Errorf("fail to read path from index: %w", err)
}

entry := NewEntry(hash, path)
Expand All @@ -187,13 +187,13 @@ func (idx *Index) read() error {
func (idx *Index) write() error {
f, err := os.Create(indexPath)
if err != nil {
return fmt.Errorf("fail to create .goit/index: %v", err)
return fmt.Errorf("fail to create .goit/index: %w", err)
}
defer f.Close()

// fixed length encoding
if err := binary.Write(f, binary.BigEndian, &idx.Header); err != nil {
return fmt.Errorf("fail to write fixed-length encoding: %v", err)
return fmt.Errorf("fail to write fixed-length encoding: %w", err)
}

// variable length encoding
Expand All @@ -206,7 +206,7 @@ func (idx *Index) write() error {
data = append(data, entry.Path...)
}
if _, err := f.Write(data); err != nil {
return fmt.Errorf("fail to write variable-length encoding: %v", err)
return fmt.Errorf("fail to write variable-length encoding: %w", err)
}

return nil
Expand Down