Initial commit

.github/workflows/ci.yml

@@ -0,0 +1,60 @@
+name: ci
+
+on:
+  pull_request:
+  push:
+    branches:
+      - '*'
+    tags:
+      - 'v*'
+
+jobs:
+  test:
+    name: test
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16
+        id: go
+      - name: Set up go env
+        run: export PATH=${PATH}:`go env GOPATH`/bin
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2.5.2
+        with:
+          version: v1.41
+      - name: unit-test
+        run: make test
+      - name: ci
+        run: make ci
+
+  goreleaser:
+    if: startsWith(github.ref, 'refs/tags/v')
+    needs:
+      - test
+    name: goreleaser
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16
+        id: go
+      - name: Set up go env
+        run: export PATH=${PATH}:`go env GOPATH`/bin
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GO_RELEASER_GITHUB_TOKEN }}

.gitignore

@@ -0,0 +1,2 @@
+/.makefiles
+/artifacts

.golangci.yml

@@ -0,0 +1,10 @@
+linters:
+  enable-all: true
+  disable:
+    - exhaustivestruct
+    - forbidigo
+    - golint
+    - maligned
+    - interfacer
+    - paralleltest
+    - scopelint

.goreleaser.yml

@@ -0,0 +1,16 @@
+project_name: permbits
+build:
+  skip: true
+release:
+  github:
+  prerelease: auto
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: "{{ .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - '^docs:'
+      - '^test:'

Makefile

@@ -0,0 +1,23 @@
+-include .makefiles/Makefile
+-include .makefiles/pkg/go/v1/Makefile
+-include .makefiles/ext/na4ma4/pkg/lib-golangci-lint/v1/Makefile
+-include .makefiles/ext/na4ma4/pkg/lib-goreleaser/v1/Makefile
+
+.makefiles/ext/na4ma4/%: .makefiles/Makefile
+	@curl -sfL https://raw.githubusercontent.com/na4ma4/makefiles-ext/main/v1/install | bash /dev/stdin "$@"
+
+.makefiles/%:
+	@curl -sfL https://makefiles.dev/v1 | bash /dev/stdin "$@"
+
+######################
+# Testing
+######################
+
+GINKGO := artifacts/ginkgo/bin/ginkgo
+$(GINKGO):
+	@mkdir -p "$(MF_PROJECT_ROOT)/$(@D)"
+	GOBIN="$(MF_PROJECT_ROOT)/$(@D)" go get github.com/onsi/ginkgo/ginkgo
+
+test:: $(GINKGO)
+	-@mkdir -p "artifacts/test"
+	$(GINKGO) -outputdir "artifacts/test/" -r --randomizeAllSpecs --randomizeSuites --failOnPending --cover --trace --race --compilers=2 --nodes=2

README.md

@@ -1,2 +1,52 @@
 # permbits
-Golang File Permission Bit Operators
+
+Golang File Permission Bit Operators.
+
+[![CI](https://github.com/na4ma4/permbits/workflows/CI/badge.svg)](https://github.com/na4ma4/permbits/actions?query=workflow%3ACI)
+[![GoDoc](https://godoc.org/github.com/na4ma4/permbits/src/jwt?status.svg)](https://godoc.org/github.com/na4ma4/permbits)
+
+## Usage
+
+Anywhere you can specify a file mode, you can use the permbits to add together the permissions you want.
+
+(This test works because it's likely the umask is `022` which will mean the first MkdirAll will actually create a directory with 0750 permissions).
+
+```golang
+testPath := "./test"
+mode := permbits.UserAll+permbits.GroupAll
+
+if err := os.MkdirAll(testPath, mode); err != nil {
+    log.Fatal(err)
+}
+
+if st, err := os.Stat(testPath); err == nil {
+    if !permbits.Is(st.Mode(), mode) {
+        log.Printf("Updating mode for %s (was %o)", testPath, st.Mode())
+        os.Chmod(testPath, mode)
+    } else {
+        log.Printf("Test path mode is correct: %s (%o)", testPath, st.Mode())
+    }
+}
+```
+
+```shell
+$ go run main.go
+2021/07/09 13:12:53 Updating mode for ./test (was 20000000750)
+```
+
+## Constants
+
+| Mode | Constant |
+| ---- | -------- |
+| u+a  | permbits.UserAll |
+| u+r  | permbits.UserRead |
+| u+w  | permbits.UserWrite |
+| u+x  | permbits.UserExecute |
+| g+a  | permbits.GroupAll |
+| g+r  | permbits.GroupRead |
+| g+w  | permbits.GroupWrite |
+| g+x  | permbits.GroupExecute |
+| o+a  | permbits.OtherAll |
+| o+r  | permbits.OtherRead |
+| o+w  | permbits.OtherWrite |
+| o+x  | permbits.OtherExecute |

go.mod

@@ -0,0 +1,8 @@
+module github.com/na4ma4/permbits
+
+go 1.16
+
+require (
+	github.com/onsi/ginkgo v1.16.4
+	github.com/onsi/gomega v1.10.1
+)

go.sum

@@ -0,0 +1,82 @@
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permbits.go

@@ -0,0 +1,42 @@
+package permbits
+
+import (
+	"os"
+)
+
+const (
+	// UserRead is read permissions for the user.
+	UserRead os.FileMode = 0400
+	// UserWrite is write permissions for the user.
+	UserWrite os.FileMode = 0200
+	// UserExecute is execute permissions for the user.
+	UserExecute os.FileMode = 0100
+	// UserAll is all permissions for the user.
+	UserAll os.FileMode = UserRead + UserWrite + UserExecute
+)
+
+const (
+	// GroupRead is read permissions for the group.
+	GroupRead os.FileMode = 0040
+	// GroupWrite is write permissions for the group.
+	GroupWrite os.FileMode = 0020
+	// GroupExecute is execute permissions for the group.
+	GroupExecute os.FileMode = 0010
+	// GroupAll is all permissions for the group.
+	GroupAll os.FileMode = GroupRead + GroupWrite + GroupExecute
+)
+
+const (
+	// OtherRead is read permissions for others.
+	OtherRead os.FileMode = 0004
+	// OtherWrite is write permissions for others.
+	OtherWrite os.FileMode = 0002
+	// OtherExecute is execute permissions for others.
+	OtherExecute os.FileMode = 0001
+	// OtherAll is all permissions for others.
+	OtherAll os.FileMode = OtherRead + OtherWrite + OtherExecute
+)
+
+func Is(mode os.FileMode, is os.FileMode) bool {
+	return (mode & is) == is
+}

permbits_suite_test.go

@@ -0,0 +1,13 @@
+package permbits_test
+
+import (
+	"testing"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+func TestPermbits(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "Permbits Suite")
+}

permbits_test.go

@@ -0,0 +1,57 @@
+package permbits_test
+
+import (
+	"os"
+
+	"github.com/na4ma4/permbits"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/ginkgo/extensions/table"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("Permbits Test", func() {
+	modeAll := os.FileMode(0777)
+	modeNone := os.FileMode(0000)
+
+	Describe("Is()", func() {
+		DescribeTable(
+			"Compares Single Modes True",
+			func(mode, is os.FileMode) {
+				Expect(permbits.Is(mode, permbits.UserRead)).To(BeTrue())
+			},
+			Entry("will compare UserRead", modeAll, permbits.UserRead),
+			Entry("will compare UserWrite", modeAll, permbits.UserWrite),
+			Entry("will compare UserExecute", modeAll, permbits.UserExecute),
+			Entry("will compare GroupRead", modeAll, permbits.GroupRead),
+			Entry("will compare GroupWrite", modeAll, permbits.GroupWrite),
+			Entry("will compare GroupExecute", modeAll, permbits.GroupExecute),
+			Entry("will compare OtherRead", modeAll, permbits.OtherRead),
+			Entry("will compare OtherWrite", modeAll, permbits.OtherWrite),
+			Entry("will compare OtherExecute", modeAll, permbits.OtherExecute),
+		)
+
+		DescribeTable(
+			"Compares Single Modes False",
+			func(mode, is os.FileMode) {
+				Expect(permbits.Is(mode, permbits.UserRead)).To(BeFalse())
+			},
+			Entry("will compare UserRead", modeNone, permbits.UserRead),
+			Entry("will compare UserWrite", modeNone, permbits.UserWrite),
+			Entry("will compare UserExecute", modeNone, permbits.UserExecute),
+			Entry("will compare GroupRead", modeNone, permbits.GroupRead),
+			Entry("will compare GroupWrite", modeNone, permbits.GroupWrite),
+			Entry("will compare GroupExecute", modeNone, permbits.GroupExecute),
+			Entry("will compare OtherRead", modeNone, permbits.OtherRead),
+			Entry("will compare OtherWrite", modeNone, permbits.OtherWrite),
+			Entry("will compare OtherExecute", modeNone, permbits.OtherExecute),
+		)
+
+		It("Compare Multiple Modes", func() {
+			mode := os.FileMode(0777)
+			Expect(permbits.Is(mode, permbits.UserAll+permbits.GroupAll+permbits.OtherAll)).To(BeTrue())
+
+			mode = os.FileMode(0775)
+			Expect(permbits.Is(mode, permbits.UserAll+permbits.GroupAll+permbits.OtherAll)).To(BeFalse())
+		})
+	})
+})