/*
goredo -- djb's redo implementation on pure Go
-Copyright (C) 2020-2022 Sergey Matveev <stargrave@stargrave.org>
+Copyright (C) 2020-2023 Sergey Matveev <stargrave@stargrave.org>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
"io"
"os"
"path"
- "path/filepath"
"go.cypherpunks.ru/recfile"
"lukechampine.com/blake3"
tracef(CDebug, "ifchange: %s <- %s", fdDep.Name(), tgt)
fd, err := os.Open(path.Join(cwd, tgt))
if err != nil {
- return err
+ return ErrLine(err)
}
defer fd.Close()
- fi, err := fd.Stat()
+ inode, isDir, err := inodeFromFileByFd(fd)
if err != nil {
- return err
+ return ErrLine(err)
}
- if fi.IsDir() {
+ if isDir {
return nil
}
- inode, err := inodeFromFile(fd)
- if err != nil {
- return err
- }
if hsh == "" {
hsh, err = fileHash(fd)
if err != nil {
- return err
+ return ErrLine(err)
}
}
fields := []recfile.Field{
tracef(CDebug, "no opened fdDep: %s", tgts)
return nil
}
+ var err error
for _, tgt := range tgts {
- tgtAbs, err := filepath.Abs(tgt)
- if err != nil {
- panic(err)
- }
+ tgtAbs := mustAbs(tgt)
cwd := Cwd
if DepCwd != "" && Cwd != DepCwd {
cwd = DepCwd
}
tgtDir := path.Join(cwd, DirPrefix)
- tgtRel, err := filepath.Rel(tgtDir, tgtAbs)
- if err != nil {
- panic(err)
- }
+ tgtRel := mustRel(tgtDir, tgtAbs)
if _, errStat := os.Stat(tgt); errStat == nil {
- err = depWrite(fdDep, tgtDir, tgtRel, "")
+ err = ErrLine(depWrite(fdDep, tgtDir, tgtRel, ""))
} else {
tracef(CDebug, "ifchange: %s <- %s (non-existing)", fdDep.Name(), tgtRel)
fields := []recfile.Field{
}
inodeDummy := Inode{}
fields = append(fields, inodeDummy.RecfileFields()...)
- err = recfileWrite(fdDep, fields...)
+ err = ErrLine(recfileWrite(fdDep, fields...))
}
if err != nil {
return err
ifchanges []map[string]string
}
+var missingBuild = errors.New(".rec missing Build:")
+
func depRead(fdDep io.Reader) (*DepInfo, error) {
r := recfile.NewReader(fdDep)
m, err := r.NextMap()
depInfo := DepInfo{}
b := m["Build"]
if b == "" {
- return nil, errors.New(".rec missing Build:")
+ return nil, missingBuild
}
depInfo.build = b
for {
}
return &depInfo, nil
}
+
+func depReadBuild(pth string) (string, error) {
+ fd, err := os.Open(pth)
+ if err != nil {
+ return "", err
+ }
+ r := recfile.NewReader(fd)
+ m, err := r.NextMap()
+ fd.Close()
+ if err != nil {
+ return "", err
+ }
+ build := m["Build"]
+ if build == "" {
+ err = missingBuild
+ }
+ return build, err
+}