Add dockerfileignore patternmatcher

dev/user.clj

@@ -25,11 +25,16 @@
 (comment
   (pods/load-pod 'docker.tools "0.1.0")
   (pods/load-pod "result/bin/babashka-pod-docker")
+  (pods/load-pod "result/bin/entrypoint")
 
   (require '[docker.tools :as docker])
 
   (pods/unload-pod {:pod/id "docker.tools"})
 
+;; ignore patterns
+  (def patterns (docker/dockerignore-patterns (slurp "/Users/slim/vonwig/nodejs-service/.dockerignore")))
+  (docker/dockerignore-matches (assoc patterns :path "node_modules/hey"))
+
 ;; parse image names using github.com/docker/distribution
 ;; turns golang structs into clojure maps
   (docker/parse-image-name "gcr.io/whatever:tag")

docker/ops.go

@@ -3,8 +3,10 @@ package docker
 import (
 	"github.com/docker/distribution/reference"
 	"github.com/docker/index-cli-plugin/lsp"
-	"github.com/moby/buildkit/frontend/dockerfile/parser"
 	"github.com/kballard/go-shellquote"
+	"github.com/moby/buildkit/frontend/dockerfile/parser"
+	"github.com/moby/patternmatcher"
+	"github.com/moby/patternmatcher/ignorefile"
 
 	//"reflect"
 	"crypto/sha256"
@@ -28,6 +30,22 @@ type Error struct {
 	Error string `json:"error"`
 }
 
+type Ignore struct {
+	Patterns []string `json:"patterns"`
+}
+
+func patterns(s string) (Ignore, error) {
+	patterns, err := ignorefile.ReadAll(strings.NewReader(s))
+	if err != nil {
+		return Ignore{}, err
+	}
+	return Ignore{Patterns: patterns}, err
+}
+
+func matches(path string, patterns []string) (bool, error) {
+	return patternmatcher.MatchesOrParentMatches(path, patterns)
+}
+
 func parse_uri(s string) (Reference, error) {
 	tag, domain, path, digest := "", "", "", ""
 
@@ -60,7 +78,7 @@ func generate_sbom(message *babashka.Message, image string, username string, pas
 	go func() error {
 		for {
 			tx, ok := <-tx_channel
-			if (ok && tx != "") {
+			if ok && tx != "" {
 				err := babashka.WriteNotDoneInvokeResponse(message, tx)
 				if err != nil {
 					babashka.WriteErrorResponse(message, err)
@@ -70,7 +88,7 @@ func generate_sbom(message *babashka.Message, image string, username string, pas
 				break
 			}
 		}
-		babashka.WriteInvokeResponse(message, "done");
+		babashka.WriteInvokeResponse(message, "done")
 		return nil
 	}()
 
@@ -124,6 +142,12 @@ func ProcessMessage(message *babashka.Message) (any, error) {
 						{
 							Name: "parse-shellwords",
 						},
+						{
+							Name: "dockerignore-patterns",
+						},
+						{
+							Name: "dockerignore-matches",
+						},
 						{
 							Name: "sbom",
 							Code: `
@@ -218,6 +242,25 @@ func ProcessMessage(message *babashka.Message) (any, error) {
 
 			return "done", nil
 
+		case "docker.tools/dockerignore-patterns":
+			args := []string{}
+			if err := json.Unmarshal([]byte(message.Args), &args); err != nil {
+				return nil, err
+			}
+
+			return patterns(args[0])
+
+		case "docker.tools/dockerignore-matches":
+			type MyType struct {
+				Path     string   `json:"path"`
+				Patterns []string `json:"patterns"`
+			}
+			args := []MyType{}
+			if err := json.Unmarshal([]byte(message.Args), &args); err != nil {
+				return nil, err
+			}
+
+			return matches(args[0].Path, args[0].Patterns)
 
 		default:
 			return nil, fmt.Errorf("Unknown var %s", message.Var)

go.mod

@@ -7,7 +7,9 @@ require (
 	github.com/docker/distribution v2.8.1+incompatible
 	github.com/docker/index-cli-plugin v0.0.34-0.20230213201827-11b2a8c1eaa7
 	github.com/jackpal/bencode-go v1.0.0
+	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
 	github.com/moby/buildkit v0.11.4
+	github.com/moby/patternmatcher v0.6.0
 	github.com/sirupsen/logrus v1.9.0
 )
 
@@ -108,7 +110,6 @@ require (
 	github.com/jedib0t/go-pretty/v6 v6.4.0 // indirect
 	github.com/jinzhu/copier v0.3.2 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
-	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
 	github.com/kevinburke/ssh_config v0.0.0-20201106050909-4977a11b4351 // indirect
 	github.com/klauspost/compress v1.15.12 // indirect
 	github.com/klauspost/pgzip v1.2.5 // indirect

go.sum

@@ -1082,6 +1082,8 @@ github.com/moby/buildkit v0.11.4 h1:mleVHr+n7HUD65QNUkgkT3d8muTzhYUoHE9FM3Ej05s=
 github.com/moby/buildkit v0.11.4/go.mod h1:P5Qi041LvCfhkfYBHry+Rwoo3Wi6H971J2ggE+PcIoo=
 github.com/moby/locker v1.0.1 h1:fOXqR41zeveg4fFODix+1Ch4mj/gT0NE1XJbp/epuBg=
 github.com/moby/locker v1.0.1/go.mod h1:S7SDdo5zpBK84bzzVlKr2V0hz+7x9hWbYC/kq7oQppc=
+github.com/moby/patternmatcher v0.6.0 h1:GmP9lR19aU5GqSSFko+5pRqHi+Ohk1O69aFiKkVGiPk=
+github.com/moby/patternmatcher v0.6.0/go.mod h1:hDPoyOpDY7OrrMDLaYoY3hf52gNCR/YOUYxkhApJIxc=
 github.com/moby/spdystream v0.2.0 h1:cjW1zVyyoiM0T7b6UoySUFqzXMoqRckQtXwGPiBhOM8=
 github.com/moby/spdystream v0.2.0/go.mod h1:f7i0iNDQJ059oMTcWxx8MA/zKFIuD/lY+0GqbN2Wy8c=
 github.com/moby/sys/mountinfo v0.4.0/go.mod h1:rEr8tzG/lsIZHBtN/JjGG+LMYx9eXgW2JI+6q0qou+A=

gomod2nix.toml

@@ -361,6 +361,9 @@ schema = 3
   [mod."github.com/moby/locker"]
     version = "v1.0.1"
     hash = "sha256-OcpbO3fLe0WtLDZFF1ntxoEBlEDjyoA8q8mVAQ0TLB8="
+  [mod."github.com/moby/patternmatcher"]
+    version = "v0.6.0"
+    hash = "sha256-ny3L8ktj8cyN41CEJhaRT74Vi8HpXXsbTvlrw/Tl5+g="
   [mod."github.com/moby/sys/mountinfo"]
     version = "v0.6.2"
     hash = "sha256-Dz2dYMPP8dmijrrbG28HIdjXzgkPw4KVsMbdKqhd4Uk="