Add buildpack error.

.github/workflows/release.yml

@@ -8,13 +8,13 @@ jobs:
         pack: [go, node, php, python, ruby]
     steps:
       - name: Checkout
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # pin@v3
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # pin@v4
         with:
           fetch-depth: 0
       - name: Install Go
-        uses: actions/setup-go@6edd4406fa81c3da01a34fa6f6343087c207a568 # pin@v3
+        uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # pin@v5
         with:
-          go-version: 1.18
+          go-version: 1.22
       - name: Test
         run: go test -v -run /${{ matrix.pack }} -timeout=20m ./pack/...
   release:
@@ -23,22 +23,22 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # pin@v3
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # pin@v4
         with:
           fetch-depth: 0
       - name: Install Go
-        uses: actions/setup-go@6edd4406fa81c3da01a34fa6f6343087c207a568 # pin@v3
+        uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # pin@v5
         with:
-          go-version: 1.18
+          go-version: 1.22
       - name: Generate Token
         id: generate-token
-        uses: tibdex/github-app-token@021a2405c7f990db57f5eae5397423dcc554159c # pin@v1
+        uses: tibdex/github-app-token@3beb63f4bd073e61482598c45c71c1019b59b73a # pin@v2
         with:
           app_id: ${{ secrets.APP_ID }}
           private_key: ${{ secrets.PRIVATE_KEY }}
       - name: Run GoReleaser
-        uses: goreleaser/goreleaser-action@b508e2e3ef3b19d4e4146d4f8fb3ba9db644a757 # pin@v3
+        uses: goreleaser/goreleaser-action@286f3b13b1b49da4ac219696163fb8c1c93e1200 # pin@v6
         with:
-          args: release --rm-dist
+          args: release --clean
         env:
           GITHUB_TOKEN: ${{ steps.generate-token.outputs.token }}

.goreleaser.yml

@@ -1,3 +1,4 @@
+version: 2
 before:
   hooks:
     - go mod download
@@ -21,16 +22,16 @@ archives:
     files:
       - none*
 brews:
-  - tap:
+  - repository:
       owner: lade-io
       name: homebrew-tap
-    folder: Formula
+    directory: Formula
     homepage: https://github.com/lade-io/jet
     description: Convert source code into Docker images
 checksum:
   name_template: 'checksums.txt'
 snapshot:
-  name_template: "{{ .Tag }}-next"
+  version_template: "{{ .Tag }}-next"
 changelog:
   sort: asc
   filters:

cmd/usage.go

@@ -16,10 +16,16 @@ Aliases:
   {{.NameAndAliases}}{{end}}{{if .HasExample}}
 
 Examples:
-{{.Example}}{{end}}{{if .HasAvailableSubCommands}}
+{{.Example}}{{end}}{{if .HasAvailableSubCommands}}{{$cmds := .Commands}}{{if eq (len .Groups) 0}}
 
-Commands:{{range .Commands}}{{if (or .IsAvailableCommand (eq .Name "help"))}}
-  {{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableLocalFlags}}
+Commands:{{range $cmds}}{{if (or .IsAvailableCommand (eq .Name "help"))}}
+  {{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{else}}{{range $group := .Groups}}
+
+{{.Title}}{{range $cmds}}{{if (and (eq .GroupID $group.ID) (or .IsAvailableCommand (eq .Name "help")))}}
+  {{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{if not .AllChildCommandsHaveGroup}}
+
+Additional Commands:{{range $cmds}}{{if (and (eq .GroupID "") (or .IsAvailableCommand (eq .Name "help")))}}
+  {{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{end}}{{end}}{{if .HasAvailableLocalFlags}}
 
 Options:
 {{.LocalFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}{{if .HasAvailableInheritedFlags}}

go.mod

@@ -8,6 +8,7 @@ require (
 	github.com/bmatcuk/doublestar v1.3.4
 	github.com/cloudingcity/gomod v1.0.1
 	github.com/docker/distribution v2.8.1+incompatible
+	github.com/docker/docker v20.10.7+incompatible
 	github.com/docker/libcompose v0.4.1-0.20181019154650-213509acef0f
 	github.com/google/go-github/v45 v45.2.0
 	github.com/gregjones/httpcache v0.0.0-20190212212710-3befbb6ad0cc
@@ -31,7 +32,6 @@ require (
 	github.com/containerd/continuity v0.1.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/docker/cli v20.10.7+incompatible // indirect
-	github.com/docker/docker v20.10.7+incompatible // indirect
 	github.com/docker/docker-credential-helpers v0.6.3 // indirect
 	github.com/docker/go-connections v0.4.0 // indirect
 	github.com/docker/go-metrics v0.0.1 // indirect

pack/base.go

@@ -12,11 +12,16 @@ import (
 	"regexp"
 	"text/template"
 
+	"github.com/docker/docker/api"
 	"github.com/docker/libcompose/docker/builder"
 	"github.com/docker/libcompose/docker/client"
 	"github.com/docker/libcompose/logger"
 )
 
+var (
+	ErrNoBuildpack = errors.New("No known buildpacks support this app")
+)
+
 type Pack interface {
 	Detect() bool
 	Metadata() *Metadata
@@ -97,7 +102,7 @@ func Detect(workDir string) (pack *Buildpack, err error) {
 	}
 
 	if len(detected) < 1 {
-		return nil, errors.New("No known buildpacks support this app")
+		return nil, ErrNoBuildpack
 	}
 
 	pack = detected[0]
@@ -129,6 +134,7 @@ func (b *Buildpack) BuildImage(name string) (string, error) {
 		return "", err
 	}
 
+	os.Setenv("DOCKER_API_VERSION", api.DefaultVersion)
 	imageClient, err := client.Create(client.Options{})
 	if err != nil {
 		return "", err

pack/ruby.go

@@ -131,6 +131,6 @@ func (r *RubyPack) version() (string, string, string) {
 }
 
 var (
-	specRegex = regexp.MustCompile(`^\s+([-\w]+)\s\(([.\d]+)\)`)
+	specRegex = regexp.MustCompile(`^\s+([\w-]+)\s\(([\w-.]+)\)`)
 	rubyRegex = regexp.MustCompile(`['"]?([a-z_]+)['"]?[:=>\s]*['"]([a-z]*[^a-z]*\w)['"]`)
 )

testdata/python/miniconda/environment.yml

@@ -1,5 +1,4 @@
 name: pydata_test
 dependencies:
-- python=3.8
-- flask=2.0.2
-- numpy=1.21.2
+  - flask
+  - gunicorn=20.1.0

testdata/python/miniconda/manifest.yml

@@ -0,0 +1,5 @@
+---
+applications:
+- name: conda-app
+  memory: 1GB
+

testdata/python/miniconda/server.py

@@ -1,17 +1,19 @@
-from flask import Flask
-import os
 import importlib
+import os
 import sys
-import traceback
 
-MODULE_NAMES = ['numpy']
+from flask import Flask
+
+app = Flask(__name__)
+
+port = int(os.getenv('VCAP_APP_PORT', 8080))
+
+MODULE_NAMES = ['gunicorn']
 modules = {}
 
 for m in MODULE_NAMES:
     modules[m] = importlib.import_module(m)
 
-app = Flask(__name__)
-
 
 def module_version(module_name):
     m = modules[module_name]
@@ -24,16 +26,18 @@ def module_version(module_name):
 
 @app.route('/')
 def root():
-    versions = "<br>"+("<br>".join([module_version(m) for m in MODULE_NAMES]))
+    versions = "<br>" + ("<br>".join([module_version(m) for m in MODULE_NAMES]))
     python_version = "python-version%s" % sys.version
     r = "<br><br>Imports Successful!<br>"
     return python_version + versions + r
 
-if __name__ == '__main__':
-    try:
-        port = int(os.getenv("PORT", 8080))
-        app.run(host='0.0.0.0', port=port, debug=True)
-    except Exception as e:
-        print("*** CRASHED!!!")
-        traceback.print_exc()
-        raise e
+
+@app.route("/")
+def hello():
+    return "Hello, World!"
+
+
+app.debug = True
+
+if __name__ == "__main__":
+    app.run(host='0.0.0.0', port=port)

testdata/ruby/jruby/Gemfile

@@ -1,5 +1,7 @@
 source 'https://rubygems.org'
 
-ruby '2.6.8', :engine => 'jruby', :engine_version => '9.3.4.0'
+ruby '3.1.4', :engine => 'jruby', :engine_version => '9.4.8.0'
 
+gem 'puma', '~> 3'
 gem 'sinatra'
+gem 'webrick'

testdata/ruby/jruby/Gemfile.lock

@@ -1,27 +1,31 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    mustermann (1.1.1)
+    mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
-    rack (2.2.3)
-    rack-protection (2.2.0)
+    puma (3.12.6-java)
+    rack (2.2.7)
+    rack-protection (3.0.6)
       rack
     ruby2_keywords (0.0.5)
-    sinatra (2.2.0)
-      mustermann (~> 1.0)
-      rack (~> 2.2)
-      rack-protection (= 2.2.0)
+    sinatra (3.0.6)
+      mustermann (~> 3.0)
+      rack (~> 2.2, >= 2.2.4)
+      rack-protection (= 3.0.6)
       tilt (~> 2.0)
-    tilt (2.0.10)
+    tilt (2.2.0)
+    webrick (1.8.1)
 
 PLATFORMS
   universal-java-1.8
 
 DEPENDENCIES
+  puma (~> 3)
   sinatra
+  webrick
 
 RUBY VERSION
-   ruby 2.6.8p0 (jruby 9.3.4.0)
+   ruby 3.1.4p0 (jruby 9.4.3.0)
 
 BUNDLED WITH
-   2.3.13
+   2.4.14

testdata/ruby/jruby/manifest.yml

@@ -1,4 +1,3 @@
 ---
 applications:
 - name: sinatra_jruby_web_app
-  command: jruby -S bundle exec rackup config.ru -p $PORT