feat: replace Spruce with Gomplate as template engine

examples/02-overlays/clusters/cluster-01/apps/subst.yaml

@@ -1,4 +1,3 @@
 settings:
   cluster:
-    name: "cluster-01"
-Context: {{- toYaml $ | nindent 4 }}
+    name: "cluster-01"

examples/02-overlays/clusters/cluster-01/workers/subst.yaml

@@ -13,5 +13,4 @@ resources:
       - name: nginx
         image: nginx:1.14.2
         ports:
-        - containerPort: 80
-Context: {{- toYaml $ | nindent 4 }}
+        - containerPort: 80

examples/common/env/dev/secret.yaml

@@ -3,5 +3,5 @@ kind: Secret
 metadata:
   name: database-access
 data:
-  user: (( grab $.subst.vars.cluster.name ))
-  password: (( grab $.subst.secrets.data.database_password ))
+  user: (( grab $.subst.settings.vars.cluster.name ))
+  password: (( grab $.subst.settings.secrets.data.database_password ))

examples/common/env/dev/subst.yaml

@@ -0,0 +1,13 @@
+settings:
+  vars:
+    cluster:
+      name: "dev-cluster"
+      id: 1
+  secrets:
+    data:
+      database_password: "dev-secret-password"
+  dns:
+    domain: "dev.company.com"
+    nameservers:
+      - "2.2.2.2"
+      - "2.2.2.3"

go.mod

@@ -1,112 +1,67 @@
 module github.com/bedag/subst
 
-go 1.22.0
+go 1.24.5
 
-toolchain go1.23.0
+toolchain go1.24.7
 
 require (
 	github.com/BurntSushi/toml v1.4.0
 	github.com/MakeNowJust/heredoc v1.0.0
-	github.com/Masterminds/sprig/v3 v3.3.0
-	github.com/Shopify/ejson v1.5.2
-	github.com/bedag/spruce v1.32.1
+	github.com/Shopify/ejson v1.5.4
 	github.com/geofffranks/simpleyaml v0.0.0-20161109204137-c9320f076de5
 	github.com/rs/zerolog v1.33.0
-	github.com/spf13/cobra v1.8.0
-	github.com/spf13/pflag v1.0.5
+	github.com/spf13/cobra v1.9.1
+	github.com/spf13/pflag v1.0.6
 	github.com/spf13/viper v1.14.0
 	github.com/starkandwayne/goutils v0.0.0-20190115202530-896b8a6904be
-	github.com/stretchr/testify v1.9.0
+	github.com/stretchr/testify v1.10.0
 	go.uber.org/automaxprocs v1.6.0
 	gopkg.in/yaml.v2 v2.4.0
 	gopkg.in/yaml.v3 v3.0.1
-	k8s.io/apimachinery v0.31.0
-	k8s.io/client-go v0.31.0
-	sigs.k8s.io/kustomize/api v0.17.3
-	sigs.k8s.io/kustomize/kyaml v0.17.2
-	sigs.k8s.io/yaml v1.4.0
+	sigs.k8s.io/kustomize/api v0.20.1
 )
 
 require (
-	dario.cat/mergo v1.0.1 // indirect
-	github.com/Knetic/govaluate v3.0.0+incompatible // indirect
-	github.com/Masterminds/goutils v1.1.1 // indirect
-	github.com/Masterminds/semver/v3 v3.3.0 // indirect
-	github.com/aws/aws-sdk-go v1.55.5 // indirect
-	github.com/blang/semver/v4 v4.0.0 // indirect
-	github.com/cloudfoundry-community/vaultkv v0.7.0 // indirect
-	github.com/cpuguy83/go-md2man/v2 v2.0.3 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.6 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/dustin/gojson v0.0.0-20160307161227-2e71ec9dd5ad // indirect
-	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
-	github.com/fsnotify/fsnotify v1.6.0 // indirect
-	github.com/fxamacker/cbor/v2 v2.7.0 // indirect
+	github.com/fsnotify/fsnotify v1.8.0 // indirect
 	github.com/geofffranks/yaml v0.0.0-20161117152608-9f2fe4b6f295 // indirect
 	github.com/go-errors/errors v1.4.2 // indirect
-	github.com/go-logr/logr v1.4.2 // indirect
-	github.com/go-openapi/jsonpointer v0.20.0 // indirect
+	github.com/go-openapi/jsonpointer v0.21.0 // indirect
 	github.com/go-openapi/jsonreference v0.20.2 // indirect
-	github.com/go-openapi/swag v0.22.4 // indirect
-	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/protobuf v1.5.4 // indirect
-	github.com/google/gnostic-models v0.6.8 // indirect
-	github.com/google/go-cmp v0.6.0 // indirect
-	github.com/google/gofuzz v1.2.0 // indirect
-	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
-	github.com/google/uuid v1.6.0 // indirect
-	github.com/hashicorp/cap v0.7.0 // indirect
-	github.com/hashicorp/errwrap v1.1.0 // indirect
-	github.com/hashicorp/go-multierror v1.1.1 // indirect
-	github.com/hashicorp/go-secure-stdlib/base62 v0.1.2 // indirect
-	github.com/hashicorp/go-uuid v1.0.3 // indirect
-	github.com/hashicorp/hcl v1.0.0 // indirect
-	github.com/huandu/xstrings v1.5.0 // indirect
-	github.com/imdario/mergo v0.3.16 // indirect
+	github.com/go-openapi/swag v0.23.0 // indirect
+	github.com/google/gnostic-models v0.7.0 // indirect
+	github.com/google/go-cmp v0.7.0 // indirect
+	github.com/hashicorp/hcl v1.0.1-vault-7 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
-	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
-	github.com/mitchellh/reflectwalk v1.0.2 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/monochromegane/go-gitignore v0.0.0-20200626010858-205db1a8cc00 // indirect
-	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/onsi/gomega v1.33.1 // indirect
 	github.com/pelletier/go-toml v1.9.5 // indirect
-	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
-	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/rogpeppe/go-internal v1.14.1 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/shopspring/decimal v1.4.0 // indirect
-	github.com/spf13/afero v1.9.3 // indirect
+	github.com/smarty/assertions v1.16.0 // indirect
+	github.com/spf13/afero v1.10.0 // indirect
 	github.com/spf13/cast v1.7.0 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/subosito/gotenv v1.4.1 // indirect
-	github.com/x448/float16 v0.8.4 // indirect
 	github.com/xlab/treeprint v1.2.0 // indirect
-	github.com/ziutek/utils v0.0.0-20190626152656-eb2a3b364d6c // indirect
-	go.starlark.net v0.0.0-20221205180719-3fd0dac74452 // indirect
-	golang.org/x/crypto v0.27.0 // indirect
-	golang.org/x/net v0.27.0 // indirect
-	golang.org/x/oauth2 v0.21.0 // indirect
-	golang.org/x/sys v0.26.0 // indirect
-	golang.org/x/term v0.24.0 // indirect
-	golang.org/x/text v0.18.0 // indirect
-	golang.org/x/time v0.3.0 // indirect
-	google.golang.org/protobuf v1.34.2 // indirect
-	gopkg.in/evanphx/json-patch.v4 v4.12.0 // indirect
-	gopkg.in/inf.v0 v0.9.1 // indirect
+	go.yaml.in/yaml/v2 v2.4.2 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/crypto v0.40.0 // indirect
+	golang.org/x/sys v0.34.0 // indirect
+	golang.org/x/text v0.27.0 // indirect
+	google.golang.org/protobuf v1.36.6 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
-	k8s.io/api v0.31.0 // indirect
-	k8s.io/klog/v2 v2.130.1 // indirect
-	k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340 // indirect
-	k8s.io/utils v0.0.0-20240711033017-18e509b52bc8 // indirect
-	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
-	sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20250710124328-f3f2b991d03b // indirect
+	sigs.k8s.io/json v0.0.0-20241014173422-cfa47c3a1cc8 // indirect
+	sigs.k8s.io/kustomize/kyaml v0.20.1 // indirect
+	sigs.k8s.io/yaml v1.6.0 // indirect
 )