Add go.mod and CI/CD, fix Windows path handling

Author: mrjoshuak

.github/workflows/ci.yml

@@ -0,0 +1,72 @@
+name: CI
+
+on:
+  push:
+    branches: [ master, main ]
+  pull_request:
+    branches: [ master, main ]
+
+jobs:
+  test:
+    name: Test
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        go-version: ['1.22', '1.23']
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version: ${{ matrix.go-version }}
+
+    - name: Download dependencies
+      run: go mod download
+
+    - name: Run go vet
+      run: go vet ./...
+
+    - name: Check formatting
+      if: matrix.os == 'ubuntu-latest'
+      run: |
+        if [ -n "$(gofmt -l .)" ]; then
+          echo "The following files are not formatted:"
+          gofmt -l .
+          exit 1
+        fi
+
+    - name: Run tests
+      run: go test -v -race -timeout=10m ./...
+
+    - name: Run tests with coverage
+      if: matrix.os == 'ubuntu-latest' && matrix.go-version == '1.23'
+      run: go test -v -race -coverprofile=coverage.out -covermode=atomic ./...
+
+    - name: Upload coverage to Codecov
+      if: matrix.os == 'ubuntu-latest' && matrix.go-version == '1.23'
+      uses: codecov/codecov-action@v4
+      with:
+        files: ./coverage.out
+        flags: unittests
+        name: codecov-umbrella
+        fail_ci_if_error: false
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version: '1.23'
+
+    - name: Build
+      run: go build -v ./...

go.mod

@@ -0,0 +1,18 @@
+module github.com/absfs/fstools
+
+go 1.25.4
+
+require (
+	github.com/Avalanche-io/c4 v0.8.1
+	github.com/absfs/absfs v0.0.0-20251109181304-77e2f9ac4448
+	github.com/absfs/basefs v0.0.0-20251122191037-15af6582251b
+	github.com/absfs/ioutil v0.0.0-20180730202941-e848c1afe5fd
+	github.com/absfs/memfs v0.0.0-20251122223403-0826c6ce3884
+	github.com/absfs/osfs v0.0.0-20220705103527-80b6215cf130
+	github.com/dustin/go-humanize v1.0.1
+)
+
+require (
+	github.com/absfs/inode v0.0.0-20190804195220-b7cd14cdd0dc // indirect
+	github.com/xtgo/set v1.0.0 // indirect
+)

go.sum

@@ -0,0 +1,31 @@
+github.com/Avalanche-io/c4 v0.8.1 h1:ORfaSwha4htPoHhgB6qAI1qwLOWxC/oR6CNfUvemNuQ=
+github.com/Avalanche-io/c4 v0.8.1/go.mod h1:p8cbeFJGUx1eQXQclWCkocf3fx0JXtaUTjEn9mTQZEg=
+github.com/absfs/absfs v0.0.0-20200602175035-e49edc9fef15/go.mod h1:EcuvbVuyyWyu+g4ACjKzyUypG60qSvorqC/hjByBEqY=
+github.com/absfs/absfs v0.0.0-20251109181304-77e2f9ac4448 h1:uN3Q47kmtV6TIGHZbrCbCf68jWmYDWyTcqq5JuoyON4=
+github.com/absfs/absfs v0.0.0-20251109181304-77e2f9ac4448/go.mod h1:IvFD36FQcMxLLZNhs2Lms+Uosc0G3AJ2JHOJIz8E5d8=
+github.com/absfs/basefs v0.0.0-20251122191037-15af6582251b h1:w5xVEXlSWGLTXd051Qe1N6Ve0kh6oMoeccLa/5Sx8Pk=
+github.com/absfs/basefs v0.0.0-20251122191037-15af6582251b/go.mod h1:2fQY+Bsq4DPh2MMiAqgQtnkf892ZBrM0liDYN29R6ts=
+github.com/absfs/fstesting v0.0.0-20180810212821-8b575cdeb80d h1:EVkAQkoP/iYX7WpkSgaSkHr5AgDdzxR06Hmy+bu4YpU=
+github.com/absfs/fstesting v0.0.0-20180810212821-8b575cdeb80d/go.mod h1:Ib9xUBFJeggV+KCP6/90/ymnt4Siu6V1vBFJrrT1y/s=
+github.com/absfs/inode v0.0.0-20190804195220-b7cd14cdd0dc h1:KjciuTgBUzV6RfeVLd/Ijhy9Iq7z0JoJ44te3fZaaNE=
+github.com/absfs/inode v0.0.0-20190804195220-b7cd14cdd0dc/go.mod h1:lc9vQxyCSyrjclBTgazRvacmElJLj7VfpDmgDnL77o0=
+github.com/absfs/ioutil v0.0.0-20180730202941-e848c1afe5fd h1:tu80ho3Hdki5q0NacPpSzfoQTGLzFwKAeMkWaWMrs1Y=
+github.com/absfs/ioutil v0.0.0-20180730202941-e848c1afe5fd/go.mod h1:z8c6qOcdBQh02ea5CWv/w80VDvVLdypDEpiZJeslGSc=
+github.com/absfs/memfs v0.0.0-20251122223403-0826c6ce3884 h1:A2+eVMTuCed7SIxqGvWchjKoOHHIFD0An771dYDejqQ=
+github.com/absfs/memfs v0.0.0-20251122223403-0826c6ce3884/go.mod h1:ITY8mYr6yHK7ZTNblu5zQk33tMIRaJhoa+YX8/talDk=
+github.com/absfs/osfs v0.0.0-20220705103527-80b6215cf130 h1:kehuUUalOBgwPkBRRW7/hX7b6VeB4Ed0iKX2z2wwqQA=
+github.com/absfs/osfs v0.0.0-20220705103527-80b6215cf130/go.mod h1:IIzwVILCbb3j0VHjcAQ7Xwpdz1h57eUzZil7DCIel/c=
+github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/fatih/color v1.12.0 h1:mRhaKNwANqRgUBGKmnI5ZxEk7QXmjQeCcuYFMX2bfcc=
+github.com/fatih/color v1.12.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM=
+github.com/mattn/go-colorable v0.1.8 h1:c1ghPdyEDarC70ftn0y+A/Ee++9zz8ljHG1b13eJ0s8=
+github.com/mattn/go-colorable v0.1.8/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
+github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
+github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
+github.com/xtgo/set v1.0.0 h1:6BCNBRv3ORNDQ7fyoJXRv+tstJz3m1JVFQErfeZz2pY=
+github.com/xtgo/set v1.0.0/go.mod h1:d3NHzGzSa0NmB2NhFyECA+QdRp29oEn2xbT+TpeFoM8=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.34.0 h1:H5Y5sJ2L2JRdyv7ROF1he/lPdvFsd0mJHFw2ThKHxLA=
+golang.org/x/sys v0.34.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=

walk.go

@@ -180,7 +180,7 @@ func BreadthOrder(fs absfs.Filer, options *Options, path string, fn filepath.Wal
 
 	var queue entryqueue
 
-	queue.enqueue(&entry{0, filepath.Dir(path), info})
+	queue.enqueue(&entry{0, slashpath.Dir(path), info})
 	for !queue.empty() {
 		e := queue.dequeue()
 		err = fn(e.Path(), e.info, nil)
@@ -213,7 +213,7 @@ func PreOrder(fs absfs.Filer, options *Options, path string, fn filepath.WalkFun
 	}
 	var stack entrystack
 
-	stack.push(&entry{0, filepath.Dir(path), info})
+	stack.push(&entry{0, slashpath.Dir(path), info})
 	for !stack.empty() {
 		e := stack.pop()
 		err = fn(e.Path(), e.info, nil)
@@ -248,7 +248,7 @@ func PostOrder(fs absfs.Filer, options *Options, path string, fn filepath.WalkFu
 
 	//	1.1 Create an empty stack
 	var stack entrystack
-	node := &entry{0, filepath.Dir(path), info}
+	node := &entry{0, slashpath.Dir(path), info}
 
 	for !(stack.empty() && node == nil) {
 		//	2.1 Do following while `node` is not NULL