return h.Sum(nil), nil
}
-func depWrite(fdDep *os.File, cwd, tgt string, hsh []byte) error {
+func depWrite(fdDep *os.File, cwd string, tgt *Tgt, hsh []byte) error {
tracef(CDebug, "ifchange: %s <- %s", fdDep.Name(), tgt)
- fd, err := os.Open(path.Join(cwd, tgt))
+ fd, err := os.Open(tgt.a)
if err != nil {
return ErrLine(err)
}
}
fields := []recfile.Field{
{Name: "Type", Value: DepTypeIfchange},
- {Name: "Target", Value: tgt},
+ {Name: "Target", Value: tgt.RelTo(cwd)},
{Name: "Hash", Value: hex.EncodeToString(hsh)},
}
fields = append(fields, inode.RecfileFields()...)
return recfileWrite(fdDep, fields...)
}
-func depsWrite(fdDep *os.File, tgts []string) error {
+func depsWrite(fdDep *os.File, tgts []*Tgt) error {
if fdDep == nil {
tracef(CDebug, "no opened fdDep: %s", tgts)
return nil
}
var err error
+ var cwd string
for _, tgt := range tgts {
- tgtAbs := mustAbs(tgt)
- cwd := Cwd
+ cwd = Cwd
if DepCwd != "" && Cwd != DepCwd {
cwd = DepCwd
}
tgtDir := path.Join(cwd, DirPrefix)
- tgtRel := mustRel(tgtDir, tgtAbs)
- if _, errStat := os.Stat(tgt); errStat == nil {
- err = ErrLine(depWrite(fdDep, tgtDir, tgtRel, nil))
+ if _, errStat := os.Stat(tgt.a); errStat == nil {
+ err = ErrLine(depWrite(fdDep, tgtDir, tgt, nil))
} else {
+ tgtRel := tgt.RelTo(tgtDir)
tracef(CDebug, "ifchange: %s <- %s (non-existing)", fdDep.Name(), tgtRel)
fields := []recfile.Field{
{Name: "Type", Value: DepTypeIfchange},
}
type DepInfoIfchange struct {
- tgt string
+ tgt *Tgt
inode *Inode
hash []byte
}
build string
always bool
stamp []byte
- ifcreates []string
+ ifcreates []*Tgt
ifchanges []DepInfoIfchange
}
var missingBuild = errors.New(".rec missing Build:")
-func depRead(pth string) (*DepInfo, error) {
- data, err := os.ReadFile(pth)
+func depRead(tgt *Tgt) (*DepInfo, error) {
+ data, err := os.ReadFile(tgt.Dep())
if err != nil {
return nil, err
}
if dep == "" {
return nil, ErrBadRecFormat
}
- depInfo.ifcreates = append(depInfo.ifcreates, dep)
+ depInfo.ifcreates = append(depInfo.ifcreates,
+ NewTgt(path.Join(tgt.h, dep)))
case DepTypeIfchange:
dep := m["Target"]
if dep == "" {
}
hsh := mustHexDecode(m["Hash"])
depInfo.ifchanges = append(depInfo.ifchanges, DepInfoIfchange{
- tgt: dep, inode: inode, hash: hsh,
+ tgt: NewTgt(path.Join(tgt.h, dep)), inode: inode, hash: hsh,
})
case DepTypeStamp:
hsh := m["Hash"]
return &depInfo, nil
}
+func depReadOnlyIfchanges(pth string) (ifchanges []string, err error) {
+ data, err := os.ReadFile(pth)
+ if err != nil {
+ return
+ }
+ r := recfile.NewReader(bytes.NewReader(data))
+ var m map[string]string
+ for {
+ m, err = r.NextMap()
+ if err != nil {
+ if errors.Is(err, io.EOF) {
+ err = nil
+ break
+ }
+ return
+ }
+ if m["Type"] == DepTypeIfchange {
+ ifchanges = append(ifchanges, m["Target"])
+ }
+ }
+ return
+}
+
func depReadBuild(pth string) (string, error) {
fd, err := os.Open(pth)
if err != nil {