support explicit paths and processing paths from stdin #21
9
internal/cache/cache.go
vendored
9
internal/cache/cache.go
vendored
@ -173,7 +173,7 @@ func putEntry(bucket *bolt.Bucket, path string, entry *Entry) error {
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// ChangeSet is used to walk a filesystem, starting at root, and outputting any new or changed paths using pathsCh.
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// It determines if a path is new or has changed by comparing against cache entries.
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func ChangeSet(ctx context.Context, root string, walkerType walk.Type, pathsCh chan<- string) error {
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func ChangeSet(ctx context.Context, walker walk.Walker, pathsCh chan<- string) error {
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var tx *bolt.Tx
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var bucket *bolt.Bucket
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var processed int
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@ -185,12 +185,7 @@ func ChangeSet(ctx context.Context, root string, walkerType walk.Type, pathsCh c
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}
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}()
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w, err := walk.New(walkerType, root)
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if err != nil {
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return fmt.Errorf("%w: failed to create walker", err)
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}
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return w.Walk(ctx, func(path string, info fs.FileInfo, err error) error {
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return walker.Walk(ctx, func(path string, info fs.FileInfo, err error) error {
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select {
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case <-ctx.Done():
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return ctx.Err()
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@ -6,12 +6,12 @@ import (
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"github.com/charmbracelet/log"
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)
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var Cli = Options{}
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var Cli = Format{}
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type Options struct {
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AllowMissingFormatter bool `default:"false" help:"Do not exit with error if a configured formatter is missing."`
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WorkingDirectory kong.ChangeDirFlag `default:"." short:"C" help:"Run as if treefmt was started in the specified working directory instead of the current working directory."`
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ClearCache bool `short:"c" help:"Reset the evaluation cache. Use in case the cache is not precise enough."`
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type Format struct {
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AllowMissingFormatter bool `default:"false" help:"Do not exit with error if a configured formatter is missing"`
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WorkingDirectory kong.ChangeDirFlag `default:"." short:"C" help:"Run as if treefmt was started in the specified working directory instead of the current working directory"`
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ClearCache bool `short:"c" help:"Reset the evaluation cache. Use in case the cache is not precise enough"`
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ConfigFile string `type:"existingfile" default:"./treefmt.toml"`
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FailOnChange bool `help:"Exit with error if any changes were made. Useful for CI."`
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Formatters []string `help:"Specify formatters to apply. Defaults to all formatters."`
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@ -19,17 +19,17 @@ type Options struct {
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Walk walk.Type `enum:"auto,git,filesystem" default:"auto" help:"The method used to traverse the files within --tree-root. Currently supports 'auto', 'git' or 'filesystem'."`
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Verbosity int `name:"verbose" short:"v" type:"counter" default:"0" env:"LOG_LEVEL" help:"Set the verbosity of logs e.g. -vv."`
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Format Format `cmd:"" default:"."`
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Paths []string `name:"paths" arg:"" type:"path" optional:"" help:"Paths to format. Defaults to formatting the whole tree."`
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}
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func (c *Options) Configure() {
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func (f *Format) Configure() {
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log.SetReportTimestamp(false)
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if c.Verbosity == 0 {
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if f.Verbosity == 0 {
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log.SetLevel(log.WarnLevel)
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} else if c.Verbosity == 1 {
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} else if f.Verbosity == 1 {
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log.SetLevel(log.InfoLevel)
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} else if c.Verbosity >= 2 {
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} else if f.Verbosity >= 2 {
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log.SetLevel(log.DebugLevel)
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}
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}
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@ -9,6 +9,8 @@ import (
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"syscall"
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"time"
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"git.numtide.com/numtide/treefmt/internal/walk"
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"git.numtide.com/numtide/treefmt/internal/cache"
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"git.numtide.com/numtide/treefmt/internal/format"
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@ -16,8 +18,6 @@ import (
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"golang.org/x/sync/errgroup"
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)
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type Format struct{}
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var ErrFailOnChange = errors.New("unexpected changes detected, --fail-on-change is enabled")
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func (f *Format) Run() error {
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@ -189,10 +189,21 @@ func (f *Format) Run() error {
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return nil
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})
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eg.Go(func() error {
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err := cache.ChangeSet(ctx, Cli.TreeRoot, Cli.Walk, pathsCh)
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close(pathsCh)
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return err
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eg.Go(func() (err error) {
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var walker walk.Walker
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if len(Cli.Paths) > 0 {
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walker, err = walk.NewPathList(Cli.Paths)
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} else {
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walker, err = walk.New(Cli.Walk, Cli.TreeRoot)
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}
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if err != nil {
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return fmt.Errorf("%w: failed to create walker", err)
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}
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defer close(pathsCh)
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return cache.ChangeSet(ctx, walker, pathsCh)
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})
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// listen for shutdown and call cancel if required
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@ -404,3 +404,47 @@ func TestGitWorktree(t *testing.T) {
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 55))
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}
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func TestPathsArg(t *testing.T) {
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as := require.New(t)
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// capture current cwd, so we can replace it after the test is finished
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cwd, err := os.Getwd()
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as.NoError(err)
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t.Cleanup(func() {
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// return to the previous working directory
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as.NoError(os.Chdir(cwd))
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})
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tempDir := test.TempExamples(t)
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configPath := filepath.Join(tempDir, "/treefmt.toml")
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// change working directory to temp root
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as.NoError(os.Chdir(tempDir))
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// basic config
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config := format.Config{
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Formatters: map[string]*format.Formatter{
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"echo": {
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Command: "echo",
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Includes: []string{"*"},
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},
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},
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}
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test.WriteConfig(t, configPath, config)
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// without any path args
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out, err := cmd(t, "-C", tempDir)
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 29))
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// specify some explicit paths
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out, err = cmd(t, "-C", tempDir, "-c", "elm/elm.json", "haskell/Nested/Foo.hs")
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as.NoError(err)
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as.Contains(string(out), fmt.Sprintf("%d files changed", 2))
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// specify a bad path
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out, err = cmd(t, "-C", tempDir, "-c", "elm/elm.json", "haskell/Nested/Bar.hs")
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as.ErrorContains(err, "no such file or directory")
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}
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56
internal/walk/paths.go
Normal file
56
internal/walk/paths.go
Normal file
@ -0,0 +1,56 @@
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package walk
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import (
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"bufio"
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"context"
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"io"
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"os"
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"path/filepath"
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)
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type paths struct {
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reader io.Reader
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}
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func (p *paths) Root() string {
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return ""
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}
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func (p *paths) Walk(ctx context.Context, fn filepath.WalkFunc) error {
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scanner := bufio.NewScanner(p.reader)
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for scanner.Scan() {
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select {
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case <-ctx.Done():
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return ctx.Err()
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default:
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path := scanner.Text()
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// stat the file
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info, err := os.Lstat(path)
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if err = fn(path, info, err); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func NewPathReader(reader io.Reader) (Walker, error) {
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return &paths{reader}, nil
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}
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func NewPathList(paths []string) (Walker, error) {
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r, w := io.Pipe()
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go func() {
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for _, path := range paths {
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if _, err := w.Write([]byte(path)); err != nil {
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_ = r.CloseWithError(err)
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} else if _, err = w.Write([]byte("\n")); err != nil {
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_ = r.CloseWithError(err)
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}
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}
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_ = r.Close()
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}()
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return NewPathReader(r)
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}
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Reference in New Issue
Block a user