timecraft: add get command

Makefile

@@ -14,15 +14,19 @@ format.src.go = \
 timecraft.src.go = \
  $(format.src.go) \
  $(wildcard *.go) \
- $(wildcard cmd/*.go) \
- $(wildcard internal/*/*.go)
+ $(wildcard */*.go) \
+ $(wildcard */*/*.go) \
+ $(wildcard */*/*/*.go)
 
 timecraft: go.mod $(timecraft.src.go)
  $(GO) build -o timecraft
 
 clean:
  rm -f timecraft $(format.src.go) $(testdata.go.wasm)
 
+lint:
+ golangci-lint run ./...
+
 generate: flatbuffers
 
 flatbuffers: go.mod $(format.src.go)

format/timecraft.go

@@ -27,6 +27,15 @@ func SHA256(b []byte) Hash {
  }
 }
 
+func ParseHash(s string) (h Hash, err error) {
+ var ok bool
+ h.Algorithm, h.Digest, ok = strings.Cut(s, ":")
+ if !ok {
+ err = fmt.Errorf("malformed hash: %s", s)
+ }
+ return h, err
+}
+
 func (h Hash) String() string {
  return h.Algorithm + ":" + h.Digest
 }
@@ -60,6 +69,8 @@ const (
  TypeTimecraftModule MediaType = "application/vnd.timecraft.module.v1+wasm"
 )
 
+func (m MediaType) String() string { return string(m) }
+
 type Resource interface {
  ContentType() MediaType
 }
@@ -75,11 +86,11 @@ type ResourceUnmarshaler interface {
 }
 
 type Descriptor struct {
- MediaType MediaType `json:"mediaType"`
- Digest Hash `json:"digest"`
- Size int64 `json:"size"`
- URLs []string `json:"urls,omitempty"`
- Annotations map[string]string `json:"annotations,omitempty"`
+ MediaType MediaType `json:"mediaType" yaml:"mediaType"`
+ Digest Hash `json:"digest" yaml:"digest"`
+ Size int64 `json:"size" yaml:"size"`
+ URLs []string `json:"urls,omitempty" yaml:"urls,omitempty"`
+ Annotations map[string]string `json:"annotations,omitempty" yaml:"annotations,omitempty"`
 }
 
 func (d *Descriptor) ContentType() MediaType {
@@ -112,7 +123,7 @@ func (m *Module) UnmarshalResource(b []byte) error {
 }
 
 type Runtime struct {
- Version string `json:"version"`
+ Version string `json:"version" yaml:"version"`
 }
 
 func (r *Runtime) ContentType() MediaType {
@@ -128,10 +139,10 @@ func (r *Runtime) UnmarshalResource(b []byte) error {
 }
 
 type Config struct {
- Runtime *Descriptor `json:"runtime"`
- Modules []*Descriptor `json:"modules"`
- Args []string `json:"args"`
- Env []string `json:"env,omitempty"`
+ Runtime *Descriptor `json:"runtime" yaml:"runtime"`
+ Modules []*Descriptor `json:"modules" yaml:"modules"`
+ Args []string `json:"args" yaml:"args"`
+ Env []string `json:"env,omitempty" yaml:"env,omitempty"`
 }
 
 func (c *Config) ContentType() MediaType {
@@ -147,9 +158,9 @@ func (c *Config) UnmarshalResource(b []byte) error {
 }
 
 type Process struct {
- ID UUID `json:"id"`
- StartTime time.Time `json:"startTime"`
- Config *Descriptor `json:"config"`
+ ID UUID `json:"id" yaml:"id"`
+ StartTime time.Time `json:"startTime" yaml:"startTime"`
+ Config *Descriptor `json:"config" yaml:"config"`
 }
 
 func (p *Process) ContentType() MediaType {
@@ -178,8 +189,8 @@ func jsonDecode(b []byte, value any) error {
 }
 
 type Manifest struct {
- Process *Descriptor `json:"process"`
- StartTime time.Time `json:"startTime"`
+ Process *Descriptor `json:"process" yaml:"process"`
+ StartTime time.Time `json:"startTime" yaml:"startTime"`
 }
 
 func (m *Manifest) ContentType() MediaType {

go.mod

@@ -15,4 +15,7 @@ require (
  golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1
 )
 
-require golang.org/x/sys v0.8.0 // indirect
+require (
+ golang.org/x/sys v0.8.0 // indirect
+ gopkg.in/yaml.v3 v3.0.1 // indirect
+)

go.sum

@@ -12,8 +12,6 @@ github.com/stealthrocket/wasi-go v0.1.1 h1:9Q9zpKWItoObGjNG5kkllzHx1sksiq/MKfuYd
 github.com/stealthrocket/wasi-go v0.1.1/go.mod h1:LBhZHvAroNNQTejkVTMJZ01ssj3jXF+3Lkbru4cTzGQ=
 github.com/stealthrocket/wazergo v0.19.0 h1:0ZBya2fBURvV+I2hGl0vcuQ8dgoUvllxQ7aYlZSA5nI=
 github.com/stealthrocket/wazergo v0.19.0/go.mod h1:riI0hxw4ndZA5e6z7PesHg2BtTftcZaMxRcoiGGipTs=
-github.com/stealthrocket/wzprof v0.1.4 h1:Yb/JHAQIpzCrpr/Nw/rgZxqqTigW2HT8SKNs6SLGFV4=
-github.com/stealthrocket/wzprof v0.1.4/go.mod h1:lUNsjcNEjviNBV8+MhOGGNBI/SQa7miJQaoXOTgRRok=
 github.com/stealthrocket/wzprof v0.1.5-0.20230526193557-ec6e2ad60848 h1:gNZnxEbv7OgKkGvRU4PtGDZpzls81FV0IYoUW3I46l0=
 github.com/stealthrocket/wzprof v0.1.5-0.20230526193557-ec6e2ad60848/go.mod h1:hqLzj5iDSncc6rlPMhC51O642AkaC+dWVPNNalZdlCY=
 github.com/tetratelabs/wazero v1.1.1-0.20230522055633-256b7a4bf970 h1:X5OOeHRjoLA8XhVc7biEbh1/hnTzpYpPn7HuyarMslQ=
@@ -22,3 +20,6 @@ golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1 h1:k/i9J1pBpvlfR+9QsetwPyERs
 golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1/go.mod h1:V1LtkGg67GoY2N1AnLN78QLrzxkLyJw7RJb1gzOOz9w=
 golang.org/x/sys v0.8.0 h1:EBmGv8NaZBZTWvrbjNoL6HVt+IVy3QDQpJs7VRIw3tU=
 golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=