Improve language detection code and add new gitignore files

cmd/goignore/main.go

@@ -11,6 +11,17 @@ import (
 	"github.com/spf13/cobra"
 )
 
+var extensions = map[string][]string{
+	"golang": {".go"},
+	"javascript": {".js", ".ts", ".tsx"},
+	"python": {".py"},
+	"c++": {".cpp", ".h"},
+	"rust": {".rs"},
+	"ruby": {".rb"},
+	"c": {".c"},
+	"haskell": {".hs"},
+}
+
 var language string
 var autoDetect bool
 
@@ -91,26 +102,28 @@ func detectLanguage() string {
 	}
 
 	for _, file := range files {
-		if !file.IsDir() {
-			ext := filepath.Ext(file.Name())
-			if ext == ".go" {
-				return "golang"
-			} else if ext == ".js" || ext == ".ts" || ext == ".tsx" {
-				return "javaScript"
-			} else if ext == ".py" {
-				return "python"
-			} else if ext == ".cpp" || ext == ".h" {
-				return "c++"
+		if file.IsDir() {
+			continue
+		}
+		ext := filepath.Ext(file.Name())
+		for lang, exts := range extensions{
+			for _, e := range exts {
+				if ext == e {
+					return lang
+				}
 			}
 		}
 	}
-
 	return ""
 }
 
 func getSupportedLanguages() []string {
-	// Add any additional supported languages here
-	return []string{"python", "javascript", "golang", "c++"}
+	result := []string{}
+
+	for lang := range extensions {
+		result = append(result, lang)
+	}
+	return result
 }
 
 func init() {

cmd/goignore/templates/c.txt

@@ -0,0 +1,52 @@
+# Prerequisites
+*.d
+
+# Object files
+*.o
+*.ko
+*.obj
+*.elf
+
+# Linker output
+*.ilk
+*.map
+*.exp
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Libraries
+*.lib
+*.a
+*.la
+*.lo
+
+# Shared objects (inc. Windows DLLs)
+*.dll
+*.so
+*.so.*
+*.dylib
+
+# Executables
+*.exe
+*.out
+*.app
+*.i*86
+*.x86_64
+*.hex
+
+# Debug files
+*.dSYM/
+*.su
+*.idb
+*.pdb
+
+# Kernel Module Compile Results
+*.mod*
+*.cmd
+.tmp_versions/
+modules.order
+Module.symvers
+Mkfile.old
+dkms.conf

cmd/goignore/templates/haskell.txt

@@ -0,0 +1,23 @@
+dist
+dist-*
+cabal-dev
+*.o
+*.hi
+*.hie
+*.chi
+*.chs.h
+*.dyn_o
+*.dyn_hi
+.hpc
+.hsenv
+.cabal-sandbox/
+cabal.sandbox.config
+*.prof
+*.aux
+*.hp
+*.eventlog
+.stack-work/
+cabal.project.local
+cabal.project.local~
+.HTF/
+.ghc.environment.*

cmd/goignore/templates/ruby.txt

@@ -0,0 +1,56 @@
+*.gem
+*.rbc
+/.config
+/coverage/
+/InstalledFiles
+/pkg/
+/spec/reports/
+/spec/examples.txt
+/test/tmp/
+/test/version_tmp/
+/tmp/
+
+# Used by dotenv library to load environment variables.
+# .env
+
+# Ignore Byebug command history file.
+.byebug_history
+
+## Specific to RubyMotion:
+.dat*
+.repl_history
+build/
+*.bridgesupport
+build-iPhoneOS/
+build-iPhoneSimulator/
+
+## Specific to RubyMotion (use of CocoaPods):
+#
+# We recommend against adding the Pods directory to your .gitignore. However
+# you should judge for yourself, the pros and cons are mentioned at:
+# https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
+#
+# vendor/Pods/
+
+## Documentation cache and generated files:
+/.yardoc/
+/_yardoc/
+/doc/
+/rdoc/
+
+## Environment normalization:
+/.bundle/
+/vendor/bundle
+/lib/bundler/man/
+
+# for a library or gem, you might want to ignore these files since the code is
+# intended to run in multiple environments; otherwise, check them in:
+# Gemfile.lock
+# .ruby-version
+# .ruby-gemset
+
+# unless supporting rvm < 1.11.0 or doing something fancy, ignore this:
+.rvmrc
+
+# Used by RuboCop. Remote config files pulled in from inherit_from directive.
+# .rubocop-https?--*

cmd/goignore/templates/rust.txt

@@ -0,0 +1,14 @@
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+target/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb