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Added gist methods related to git + Truncate command output

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This commit is contained in:
Thomas Miceli
2023-03-18 16:18:24 +01:00
parent 167abd4ae5
commit 22668be923
8 changed files with 202 additions and 112 deletions
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26
internal/git/commands.go
View File

@ -76,13 +76,13 @@ func GetNumberOfCommitsOfRepository(user string, gist string) (string, error) {
return strings.TrimSuffix(string(stdout), "\n"), err
}
func GetFilesOfRepository(user string, gist string, commit string) ([]string, error) {
func GetFilesOfRepository(user string, gist string, revision string) ([]string, error) {
repositoryPath := RepositoryPath(user, gist)
cmd := exec.Command(
"git",
"ls-tree",
commit,
revision,
"--name-only",
)
cmd.Dir = repositoryPath
@ -96,19 +96,29 @@ func GetFilesOfRepository(user string, gist string, commit string) ([]string, er
return slice[:len(slice)-1], nil
}
func GetFileContent(user string, gist string, commit string, filename string) (string, error) {
func GetFileContent(user string, gist string, revision string, filename string, truncate bool) (string, bool, error) {
repositoryPath := RepositoryPath(user, gist)
var maxBytes int64 = -1
if truncate {
maxBytes = 2 << 18
}
cmd := exec.Command(
"git",
"--no-pager",
"show",
commit+":"+filename,
revision+":"+filename,
)
cmd.Dir = repositoryPath
stdout, err := cmd.Output()
return string(stdout), err
stdout, _ := cmd.StdoutPipe()
err := cmd.Start()
if err != nil {
return "", false, err
}
return truncateCommandOutput(stdout, maxBytes)
}
func GetLog(user string, gist string, skip string) (string, error) {
@ -228,7 +238,7 @@ func Push(gistTmpId string) error {
}
func DeleteRepository(user string, gist string) error {
return os.RemoveAll(filepath.Join(config.GetHomeDir(), "repos", strings.ToLower(user), gist))
return os.RemoveAll(RepositoryPath(user, gist))
}
func UpdateServerInfo(user string, gist string) error {
@ -239,7 +249,7 @@ func UpdateServerInfo(user string, gist string) error {
return cmd.Run()
}
func RPCRefs(user string, gist string, service string) ([]byte, error) {
func RPC(user string, gist string, service string) ([]byte, error) {
repositoryPath := RepositoryPath(user, gist)
cmd := exec.Command("git", service, "--stateless-rpc", "--advertise-refs", ".")

39
internal/git/output_parser.go Normal file
View File

@ -0,0 +1,39 @@
package git
import (
"bytes"
"io"
)
func truncateCommandOutput(out io.Reader, maxBytes int64) (string, bool, error) {
var (
buf []byte
err error
)
if maxBytes < 0 {
// read entire output
buf, err = io.ReadAll(out)
if err != nil {
return "", false, err
}
return string(buf), false, nil
}
// read up to maxBytes bytes
buf = make([]byte, maxBytes)
n, err := io.ReadFull(out, buf)
if err != nil && err != io.EOF && err != io.ErrUnexpectedEOF {
return "", false, err
}
bytesRead := int64(n)
// find index of last newline character
lastNewline := bytes.LastIndexByte(buf, '\n')
if lastNewline >= 0 {
// truncate buffer to exclude last line
buf = buf[:lastNewline]
}
return string(buf), bytesRead == maxBytes, nil
}