Preliminary detection for Ruby projects

cmd/test-runtime/main.go

@@ -5,12 +5,16 @@ import (
 	"os"
 	"path/filepath"
 
+	bundleinstall "github.com/paketo-buildpacks/bundle-install"
 	condaenvupdate "github.com/paketo-buildpacks/conda-env-update"
 	gomodvendor "github.com/paketo-buildpacks/go-mod-vendor"
 	npminstall "github.com/paketo-buildpacks/npm-install"
 	"github.com/paketo-buildpacks/packit"
 	pipenvinstall "github.com/paketo-buildpacks/pipenv-install"
 	pythonstart "github.com/paketo-buildpacks/python-start"
+	"github.com/paketo-buildpacks/rackup"
+	railsassets "github.com/paketo-buildpacks/rails-assets"
+	"github.com/paketo-buildpacks/rake"
 	yarninstall "github.com/paketo-buildpacks/yarn-install"
 )
 
@@ -126,6 +130,50 @@ func detectNode() {
 }
 
 func detectRuby() {
+	/* Check for Gemfile project */
+	gemfileParser := bundleinstall.NewGemfileParser()
+	detect := bundleinstall.Detect(gemfileParser)
+	_, err := detect(packit.DetectContext{
+		WorkingDir: workingDir,
+	})
+	if err == nil {
+		log.Println("Ruby Gemfile project detected")
+		return
+	}
+
+	/* Check for rackup project  */
+	gemParser := rackup.NewGemfileLockParser()
+	detect = rackup.Detect(gemParser)
+	_, err = detect(packit.DetectContext{
+		WorkingDir: workingDir,
+	})
+	if err == nil {
+		log.Println("Ruby rackup project detected")
+		return
+	}
+
+	/* Check for Rails app with assets */
+	railsGemfileParser := railsassets.NewGemfileParser()
+	detect = railsassets.Detect(railsGemfileParser)
+	_, err = detect(packit.DetectContext{
+		WorkingDir: workingDir,
+	})
+	if err == nil {
+		log.Println("Ruby rails project detected")
+		return
+	}
+
+	/* Check for rakefile project */
+	rakeGemfileParser := rake.NewGemfileParser()
+	detect = rake.Detect(rakeGemfileParser)
+	_, err = detect(packit.DetectContext{
+		WorkingDir: workingDir,
+	})
+	if err == nil {
+		log.Println("Ruby rakefile project detected")
+		return
+	}
+
 	/* Not a Ruby project */
 	log.Println("Not a Ruby project")
 }

go.mod

@@ -39,12 +39,16 @@ require (
 	github.com/moby/moby v20.10.6+incompatible
 	github.com/moby/term v0.0.0-20201216013528-df9cb8a40635
 	github.com/opencontainers/image-spec v1.0.1
+	github.com/paketo-buildpacks/bundle-install v0.2.4
 	github.com/paketo-buildpacks/conda-env-update v0.2.2
 	github.com/paketo-buildpacks/go-mod-vendor v0.3.1
 	github.com/paketo-buildpacks/npm-install v0.5.0
 	github.com/paketo-buildpacks/packit v1.3.0
 	github.com/paketo-buildpacks/pipenv-install v0.2.3
 	github.com/paketo-buildpacks/python-start v0.7.0
+	github.com/paketo-buildpacks/rackup v0.1.0
+	github.com/paketo-buildpacks/rails-assets v0.3.0
+	github.com/paketo-buildpacks/rake v0.1.0
 	github.com/paketo-buildpacks/yarn-install v0.5.0
 	github.com/pkg/errors v0.9.1
 	github.com/rogpeppe/go-internal v1.5.2 // indirect

go.sum

@@ -89,6 +89,7 @@ github.com/CloudyKit/jet/v3 v3.0.0/go.mod h1:HKQPgSJmdK8hdoAbKUUWajkHyHo4RaU5rMd
 github.com/DATA-DOG/go-sqlmock v1.5.0 h1:Shsta01QNfFxHCfpW6YH2STWB0MudeXXEWMr20OEh60=
 github.com/DATA-DOG/go-sqlmock v1.5.0/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
 github.com/ForestEckhardt/freezer v0.0.3/go.mod h1:/uALnKwx6+QSyKdZYC/FjihjQeI4XsE7i3RXPKyM8Vs=
+github.com/ForestEckhardt/freezer v0.0.7 h1:/hRJtyy5gzHK22ax2VFhjSi5400uItoVJNewTepwDeo=
 github.com/ForestEckhardt/freezer v0.0.7/go.mod h1:1EtaHlohBGk0zF1l4w3wroNOdEBTWL0PHNIgvjeisaE=
 github.com/GoogleCloudPlatform/k8s-cloud-provider v0.0.0-20190822182118-27a4ced34534/go.mod h1:iroGtC8B3tQiqtds1l+mgk/BBOrxbqjH+eUfFQYRc14=
 github.com/Joker/hpp v1.0.0/go.mod h1:8x5n+M1Hp5hC0g8okX3sR3vFQwynaX/UgSOM9MeBKzY=
@@ -121,6 +122,7 @@ github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMo
 github.com/Netflix/go-expect v0.0.0-20180615182759-c93bf25de8e8 h1:xzYJEypr/85nBpB11F9br+3HUrpgb+fcm5iADzXXYEw=
 github.com/Netflix/go-expect v0.0.0-20180615182759-c93bf25de8e8/go.mod h1:oX5x61PbNXchhh0oikYAH+4Pcfw5LKv21+Jnpr6r6Pc=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/PuerkitoBio/goquery v1.7.1/go.mod h1:XY0pP4kfraEmmV1O7Uf6XyjoslwsneBbgeDjLYuN8xY=
 github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
@@ -151,6 +153,7 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuy
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
+github.com/andybalholm/cascadia v1.2.0/go.mod h1:YCyR8vOZT9aZ1CHEd8ap0gMVm2aFgxBp0T0eFw1RUQY=
 github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239 h1:kFOfPq6dUM1hTo4JG6LR5AXSUEsOjtdm0kw0FtQtMJA=
 github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
@@ -991,6 +994,7 @@ github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=
 github.com/nxadm/tail v1.4.8/go.mod h1:+ncqLTQzXmGhMZNUePPaPqPvBxHAIsmXswZKocGu+AU=
 github.com/oklog/oklog v0.3.2/go.mod h1:FCV+B7mhrz4o+ueLpx+KqkyXRGMWOYEvfiXtdGtbWGs=
 github.com/oklog/run v1.0.0/go.mod h1:dlhp/R75TPv97u0XWUtDeV/lRKWPKSdTuV0TZvrmrQA=
+github.com/oklog/ulid v1.3.1 h1:EGfNDEx6MqHz8B3uNV6QAib1UR2Lm97sHi3ocA6ESJ4=
 github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U=
 github.com/olekukonko/tablewriter v0.0.0-20170122224234-a0225b3f23b5/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=
 github.com/olekukonko/tablewriter v0.0.1/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=
@@ -1050,6 +1054,8 @@ github.com/openzipkin/zipkin-go v0.1.6/go.mod h1:QgAqvLzwWbR/WpD4A3cGpPtJrZXNIiJ
 github.com/openzipkin/zipkin-go v0.2.1/go.mod h1:NaW6tEwdmWMaCDZzg8sh+IBNOxHMPnhQw8ySjnjRyN4=
 github.com/openzipkin/zipkin-go v0.2.2/go.mod h1:NaW6tEwdmWMaCDZzg8sh+IBNOxHMPnhQw8ySjnjRyN4=
 github.com/pact-foundation/pact-go v1.0.4/go.mod h1:uExwJY4kCzNPcHRj+hCR/HBbOOIwwtUjcrb0b5/5kLM=
+github.com/paketo-buildpacks/bundle-install v0.2.4 h1:GCPTOCiT2gUhUXKDes/DhzOlqtQiKczbTkWBu8b8xLw=
+github.com/paketo-buildpacks/bundle-install v0.2.4/go.mod h1:Z9s+P7cQxnF+DsTjr4cWhTKkQm7tU6f8QHpRgpJBQZA=
 github.com/paketo-buildpacks/conda-env-update v0.2.2 h1:0bT6Se/r/06Gc3sBeg+OJ/9BVIp8D/rEzeJNtvxOBSQ=
 github.com/paketo-buildpacks/conda-env-update v0.2.2/go.mod h1:OKSG9rf9ClDLcoHA3JJgbRECShCpNJKrmkYgIiYAu9k=
 github.com/paketo-buildpacks/go-mod-vendor v0.3.1 h1:4ltB7mmMg2dGRNDLxwPMLoY98rePUhny/6L0QUn8aYU=
@@ -1057,6 +1063,7 @@ github.com/paketo-buildpacks/go-mod-vendor v0.3.1/go.mod h1:ycd4yAggQShyoQg+bXZy
 github.com/paketo-buildpacks/npm-install v0.5.0 h1:PWIdaa14IcLllbv1LyZa5mVh5r6DbpdB3bDSxz5+r94=
 github.com/paketo-buildpacks/npm-install v0.5.0/go.mod h1:lJ+qayMglLeNbeDxnppIMTKKKNDO+sejM5qiPCBMwzw=
 github.com/paketo-buildpacks/occam v0.0.22/go.mod h1:aPNRyPEgYp4a01O4UKAuFWYnRmY4ujeuV3x6yAa1hxs=
+github.com/paketo-buildpacks/occam v0.1.4 h1:KFYEXc0S1rEus/by2s4PEbFYfSNX5TEcjNN5g7dbKmI=
 github.com/paketo-buildpacks/occam v0.1.4/go.mod h1:Rn7l2Ndm1ff0RGj0hWJwH8+iGhkEGY5nt/qpWKWB9lE=
 github.com/paketo-buildpacks/packit v0.5.0/go.mod h1:ATLZccUzqEAyPlirdka8hs+XNqS4pyJ/tjyU1NXJKm8=
 github.com/paketo-buildpacks/packit v0.13.0/go.mod h1:o3ajTEGOKZpEVRDpBH6qaIRVK92CO7WWinm87MTBlV8=
@@ -1069,6 +1076,12 @@ github.com/paketo-buildpacks/pipenv-install v0.2.3 h1:6ZRAKIPXigt+lJefh+qlIylkpG
 github.com/paketo-buildpacks/pipenv-install v0.2.3/go.mod h1:cykBCEGSdDpyGTjs4n2vHjKK4NDAA5mSFqv6a80mT9s=
 github.com/paketo-buildpacks/python-start v0.7.0 h1:eBE4D8Uy6pUL/+3+eLjZTxpguOBZkDWA6MlVxfat+ww=
 github.com/paketo-buildpacks/python-start v0.7.0/go.mod h1:lVmId1wEYgOeo01a+sY9kF7TeJEeIY58L7yBL+nrM7s=
+github.com/paketo-buildpacks/rackup v0.1.0 h1:MpMJkkXPPm9jcxXB8IgMHdsuTZV4pYoac7d4uA0zCE0=
+github.com/paketo-buildpacks/rackup v0.1.0/go.mod h1:Pl7GXbzRT/m+lzY/MqgtsJHVusrTZP6hWH9swjusTk0=
+github.com/paketo-buildpacks/rails-assets v0.3.0 h1:RSRSasfJWhyDVICZLJKpWz57E065mEDZ1uPutnRMN9w=
+github.com/paketo-buildpacks/rails-assets v0.3.0/go.mod h1:chGxnkVwRlZVm+GiclEfTQkGIcv69qtLm1F1C72talA=
+github.com/paketo-buildpacks/rake v0.1.0 h1:Nb5tPUU6fcBk3IGEOKrn2gv8eQSbvjwLBF8tiDBbxY0=
+github.com/paketo-buildpacks/rake v0.1.0/go.mod h1:MdBj3xxgP4mAU+yBXMiwv/4zkJIimvzOg70L8NhHnJ8=
 github.com/paketo-buildpacks/yarn-install v0.5.0 h1:gXZbzZkLUjACcDB9GdxjsxLZ+yELxqoV1SFl6oyme6c=
 github.com/paketo-buildpacks/yarn-install v0.5.0/go.mod h1:IbV1LtVsXfH02owfR4QsPRom8c67VsqXhACvO83K3FI=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
@@ -1440,6 +1453,7 @@ golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.5.0 h1:UG21uOlmZabA4fW5i7ZX6bjw1xELEGg/ZLgZq9auk/Q=
 golang.org/x/mod v0.5.0/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
 golang.org/x/net v0.0.0-20170114055629-f2499483f923/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20180218175443-cbe0f9307d01/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -1495,8 +1509,9 @@ golang.org/x/net v0.0.0-20210331212208-0fccb6fa2b5c/go.mod h1:p54w0d4576C0XHj96b
 golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
 golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk=
 golang.org/x/net v0.0.0-20210505024714-0287a6fb4125/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20210525063256-abc453219eb5 h1:wjuX4b5yYQnEQHzd+CBcrcC6OVR2J1CN6mUy0oSxIPo=
 golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/net v0.0.0-20210614182718-04defd469f4e h1:XpT3nA5TvE525Ne3hInMh6+GETgn27Zfm9dxsThnX2Q=
+golang.org/x/net v0.0.0-20210614182718-04defd469f4e/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=