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18 Commits

Author SHA1 Message Date
1e9f5c5949
doc: improve hero gif
Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 12:00:12 +01:00
7f84bc2e88
doc: refine overview
Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:39:17 +01:00
44b9ea287a
doc: refine quick start content
Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:39:17 +01:00
0fd5107ea4
fix: devshell commands for docs
Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:39:16 +01:00
4ffca11431
doc: fix docs package build
Vitepress cli does some funky stuff with the tty.

Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:39:16 +01:00
46ba087b94
doc: add some devshell helpers
Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:39:16 +01:00
4e6f1cfa2b
wip: add focs package
Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:39:16 +01:00
7cd98ab8d2
doc: move assets into public folder
Fixes issues with built version of the site

Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:39:16 +01:00
5fdc9bb9da
doc: fix bad formatter spec link
Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:39:16 +01:00
3ef2c3f109
doc: add footer
Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:39:16 +01:00
b1e39b1722
doc: some initial experiments with colors
Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:39:16 +01:00
52cb6f1264
doc: remove features on home page
Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:39:15 +01:00
eae61404fc
doc: update github link
Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:39:15 +01:00
5cfb245535
doc: port existing content
Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:39:15 +01:00
45213601c0
doc: configure hero and logo
Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:39:15 +01:00
e0d4bdb678
fix: nix filter for package
Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:39:15 +01:00
04330a39fa
feat: add stats output similar to treefmt.rs
Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:23:55 +01:00
8e23c8602a
feat: update flake inputs
Moves us to go 1.22

Signed-off-by: Brian McGee <brian@bmcgee.ie>
2024-05-01 11:23:55 +01:00
27 changed files with 2945 additions and 64 deletions

5
.gitignore vendored
View File

@ -10,3 +10,8 @@ repl-result-*
# devshell
/.data
# docs
node_modules
docs/.vitepress/cache
docs/.vitepress/dist

12
cache/cache.go vendored
View File

@ -11,6 +11,8 @@ import (
"runtime"
"time"
"git.numtide.com/numtide/treefmt/stats"
"git.numtide.com/numtide/treefmt/format"
"git.numtide.com/numtide/treefmt/walk"
@ -33,9 +35,10 @@ type Entry struct {
}
var (
db *bolt.DB
db *bolt.DB
logger *log.Logger
ReadBatchSize = 1024 * runtime.NumCPU()
logger *log.Logger
)
// Open creates an instance of bolt.DB for a given treeRoot path.
@ -234,11 +237,14 @@ func ChangeSet(ctx context.Context, walker walk.Walker, pathsCh chan<- string) e
changedOrNew := cached == nil || !(cached.Modified == info.ModTime() && cached.Size == info.Size())
stats.Add(stats.Traversed, 1)
if !changedOrNew {
// no change
return nil
}
stats.Add(stats.Emitted, 1)
// pass on the path
select {
case <-ctx.Done():
@ -293,6 +299,8 @@ func Update(treeRoot string, paths []string) (int, error) {
continue
}
stats.Add(stats.Formatted, 1)
entry := Entry{
Size: pathInfo.Size(),
Modified: pathInfo.ModTime(),

View File

@ -14,9 +14,9 @@ import (
"sort"
"strings"
"syscall"
"time"
"git.numtide.com/numtide/treefmt/format"
"git.numtide.com/numtide/treefmt/stats"
"github.com/gobwas/glob"
"git.numtide.com/numtide/treefmt/cache"
@ -32,7 +32,6 @@ const (
)
var (
start time.Time
globalExcludes []glob.Glob
formatters map[string]*format.Formatter
pipelines map[string]*format.Pipeline
@ -43,7 +42,7 @@ var (
)
func (f *Format) Run() (err error) {
start = time.Now()
stats.Init()
Cli.Configure()
@ -196,6 +195,8 @@ func walkFilesystem(ctx context.Context) func() error {
default:
// ignore symlinks and directories
if !(info.IsDir() || info.Mode()&os.ModeSymlink == os.ModeSymlink) {
stats.Add(stats.Traversed, 1)
stats.Add(stats.Emitted, 1)
pathsCh <- path
}
return nil
@ -257,7 +258,7 @@ func updateCache(ctx context.Context) func() error {
return ErrFailOnChange
}
fmt.Printf("%v files changed in %v\n", changes, time.Now().Sub(start))
stats.Print()
return nil
}
}
@ -322,12 +323,17 @@ func applyFormatters(ctx context.Context) func() error {
}()
for path := range pathsCh {
var matched bool
for key, pipeline := range pipelines {
if !pipeline.Wants(path) {
continue
}
matched = true
tryApply(key, path)
}
if matched {
stats.Add(stats.Matched, 1)
}
}
// flush any partial batches which remain

View File

@ -2,7 +2,6 @@ package cli
import (
"bufio"
"fmt"
"os"
"os/exec"
"path"
@ -68,19 +67,19 @@ func TestSpecifyingFormatters(t *testing.T) {
out, err := cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
as.NoError(err)
as.Contains(string(out), "3 files changed")
assertFormatted(t, as, out, 3)
out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir, "--formatters", "elm,nix")
as.NoError(err)
as.Contains(string(out), "2 files changed")
assertFormatted(t, as, out, 2)
out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir, "--formatters", "ruby,nix")
as.NoError(err)
as.Contains(string(out), "2 files changed")
assertFormatted(t, as, out, 2)
out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir, "--formatters", "nix")
as.NoError(err)
as.Contains(string(out), "1 files changed")
assertFormatted(t, as, out, 1)
// test bad names
@ -110,7 +109,7 @@ func TestIncludesAndExcludes(t *testing.T) {
test.WriteConfig(t, configPath, cfg)
out, err := cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 31))
assertFormatted(t, as, out, 31)
// globally exclude nix files
cfg.Global.Excludes = []string{"*.nix"}
@ -118,7 +117,7 @@ func TestIncludesAndExcludes(t *testing.T) {
test.WriteConfig(t, configPath, cfg)
out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 30))
assertFormatted(t, as, out, 30)
// add haskell files to the global exclude
cfg.Global.Excludes = []string{"*.nix", "*.hs"}
@ -126,7 +125,7 @@ func TestIncludesAndExcludes(t *testing.T) {
test.WriteConfig(t, configPath, cfg)
out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 24))
assertFormatted(t, as, out, 24)
echo := cfg.Formatters["echo"]
@ -136,7 +135,7 @@ func TestIncludesAndExcludes(t *testing.T) {
test.WriteConfig(t, configPath, cfg)
out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 22))
assertFormatted(t, as, out, 22)
// remove go files from the echo formatter
echo.Excludes = []string{"*.py", "*.go"}
@ -144,7 +143,7 @@ func TestIncludesAndExcludes(t *testing.T) {
test.WriteConfig(t, configPath, cfg)
out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 21))
assertFormatted(t, as, out, 21)
// adjust the includes for echo to only include elm files
echo.Includes = []string{"*.elm"}
@ -152,7 +151,7 @@ func TestIncludesAndExcludes(t *testing.T) {
test.WriteConfig(t, configPath, cfg)
out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 1))
assertFormatted(t, as, out, 1)
// add js files to echo formatter
echo.Includes = []string{"*.elm", "*.js"}
@ -160,7 +159,7 @@ func TestIncludesAndExcludes(t *testing.T) {
test.WriteConfig(t, configPath, cfg)
out, err = cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 2))
assertFormatted(t, as, out, 2)
}
func TestCache(t *testing.T) {
@ -182,34 +181,34 @@ func TestCache(t *testing.T) {
test.WriteConfig(t, configPath, cfg)
out, err := cmd(t, "--config-file", configPath, "--tree-root", tempDir)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 31))
assertFormatted(t, as, out, 31)
out, err = cmd(t, "--config-file", configPath, "--tree-root", tempDir)
as.NoError(err)
as.Contains(string(out), "0 files changed")
assertFormatted(t, as, out, 0)
// clear cache
out, err = cmd(t, "--config-file", configPath, "--tree-root", tempDir, "-c")
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 31))
assertFormatted(t, as, out, 31)
out, err = cmd(t, "--config-file", configPath, "--tree-root", tempDir)
as.NoError(err)
as.Contains(string(out), "0 files changed")
assertFormatted(t, as, out, 0)
// clear cache
out, err = cmd(t, "--config-file", configPath, "--tree-root", tempDir, "-c")
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 31))
assertFormatted(t, as, out, 31)
out, err = cmd(t, "--config-file", configPath, "--tree-root", tempDir)
as.NoError(err)
as.Contains(string(out), "0 files changed")
assertFormatted(t, as, out, 0)
// no cache
out, err = cmd(t, "--config-file", configPath, "--tree-root", tempDir, "--no-cache")
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 31))
assertStats(t, as, out, 31, 31, 31, 0)
}
func TestChangeWorkingDirectory(t *testing.T) {
@ -243,7 +242,7 @@ func TestChangeWorkingDirectory(t *testing.T) {
// this should fail if the working directory hasn't been changed first
out, err := cmd(t, "-C", tempDir)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 31))
assertFormatted(t, as, out, 31)
}
func TestFailOnChange(t *testing.T) {
@ -307,31 +306,31 @@ func TestBustCacheOnFormatterChange(t *testing.T) {
args := []string{"--config-file", configPath, "--tree-root", tempDir}
out, err := cmd(t, args...)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 3))
assertFormatted(t, as, out, 3)
// tweak mod time of elm formatter
as.NoError(test.RecreateSymlink(t, binPath+"/"+"elm-format"))
out, err = cmd(t, args...)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 3))
assertFormatted(t, as, out, 3)
// check cache is working
out, err = cmd(t, args...)
as.NoError(err)
as.Contains(string(out), "0 files changed")
assertFormatted(t, as, out, 0)
// tweak mod time of python formatter
as.NoError(test.RecreateSymlink(t, binPath+"/"+"black"))
out, err = cmd(t, args...)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 3))
assertFormatted(t, as, out, 3)
// check cache is working
out, err = cmd(t, args...)
as.NoError(err)
as.Contains(string(out), "0 files changed")
assertFormatted(t, as, out, 0)
// add go formatter
cfg.Formatters["go"] = &config2.Formatter{
@ -343,12 +342,12 @@ func TestBustCacheOnFormatterChange(t *testing.T) {
out, err = cmd(t, args...)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 4))
assertFormatted(t, as, out, 4)
// check cache is working
out, err = cmd(t, args...)
as.NoError(err)
as.Contains(string(out), "0 files changed")
assertFormatted(t, as, out, 0)
// remove python formatter
delete(cfg.Formatters, "python")
@ -356,12 +355,12 @@ func TestBustCacheOnFormatterChange(t *testing.T) {
out, err = cmd(t, args...)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 2))
assertFormatted(t, as, out, 2)
// check cache is working
out, err = cmd(t, args...)
as.NoError(err)
as.Contains(string(out), "0 files changed")
assertFormatted(t, as, out, 0)
// remove elm formatter
delete(cfg.Formatters, "elm")
@ -369,12 +368,12 @@ func TestBustCacheOnFormatterChange(t *testing.T) {
out, err = cmd(t, args...)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 1))
assertFormatted(t, as, out, 1)
// check cache is working
out, err = cmd(t, args...)
as.NoError(err)
as.Contains(string(out), "0 files changed")
assertFormatted(t, as, out, 0)
}
func TestGitWorktree(t *testing.T) {
@ -408,10 +407,10 @@ func TestGitWorktree(t *testing.T) {
wt, err := repo.Worktree()
as.NoError(err, "failed to get git worktree")
run := func(changed int) {
run := func(formatted int) {
out, err := cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", changed))
assertFormatted(t, as, out, formatted)
}
// run before adding anything to the worktree
@ -429,7 +428,7 @@ func TestGitWorktree(t *testing.T) {
// walk with filesystem instead of git
out, err := cmd(t, "-c", "--config-file", configPath, "--tree-root", tempDir, "--walk", "filesystem")
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 59))
assertFormatted(t, as, out, 59)
}
func TestPathsArg(t *testing.T) {
@ -464,12 +463,12 @@ func TestPathsArg(t *testing.T) {
// without any path args
out, err := cmd(t, "-C", tempDir)
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 31))
assertFormatted(t, as, out, 31)
// specify some explicit paths
out, err = cmd(t, "-C", tempDir, "-c", "elm/elm.json", "haskell/Nested/Foo.hs")
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 2))
assertFormatted(t, as, out, 2)
// specify a bad path
out, err = cmd(t, "-C", tempDir, "-c", "elm/elm.json", "haskell/Nested/Bar.hs")
@ -529,7 +528,7 @@ go/main.go
out, err := cmd(t, "-C", tempDir, "--stdin")
as.NoError(err)
as.Contains(string(out), fmt.Sprintf("%d files changed", 3))
assertFormatted(t, as, out, 3)
}
func TestDeterministicOrderingInPipeline(t *testing.T) {

View File

@ -69,3 +69,16 @@ func cmd(t *testing.T, args ...string) ([]byte, error) {
return out, nil
}
func assertStats(t *testing.T, as *require.Assertions, output []byte, traversed int32, emitted int32, matched int32, formatted int32) {
t.Helper()
as.Contains(string(output), fmt.Sprintf("traversed %d files", traversed))
as.Contains(string(output), fmt.Sprintf("emitted %d files", emitted))
as.Contains(string(output), fmt.Sprintf("matched %d files", matched))
as.Contains(string(output), fmt.Sprintf("formatted %d files", formatted))
}
func assertFormatted(t *testing.T, as *require.Assertions, output []byte, count int) {
t.Helper()
as.Contains(string(output), fmt.Sprintf("formatted %d files", count))
}

View File

@ -0,0 +1,35 @@
import { defineConfig } from 'vitepress'
// https://vitepress.dev/reference/site-config
export default defineConfig({
title: "Treefmt",
description: "one CLI to format your repo",
themeConfig: {
logo: '/logo.svg',
// https://vitepress.dev/reference/default-theme-config
nav: [
{ text: 'Home', link: '/' },
{ text: 'Quick Start', link: '/quick-start' }
],
sidebar: [
{ text: 'Quick Start', link: '/quick-start' },
{ text: 'Overview', link: '/overview' },
{ text: 'Usage', link: '/usage' },
{ text: 'Formatter Spec', link: '/formatter-spec' },
{ text: 'Contributing', link: '/contributing' },
{ text: 'FAQ', link: '/faq' },
],
socialLinks: [
{ icon: 'github', link: 'https://git.numtide.com/numtide/treefmt' }
],
footer: {
message: 'Released under the <a href="https://git.numtide.com/numtide/treefmt/src/branch/main/LICENSE.md">MIT License</a>.',
copyright: "Copyright © 2024-present Treefmt Contributors"
}
}
})

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@ -0,0 +1,17 @@
// https://vitepress.dev/guide/custom-theme
import { h } from "vue";
import type { Theme } from "vitepress";
import DefaultTheme from "vitepress/theme";
import "./style.css";
export default {
extends: DefaultTheme,
Layout: () => {
return h(DefaultTheme.Layout, null, {
// https://vitepress.dev/guide/extending-default-theme#layout-slots
});
},
enhanceApp({ app, router, siteData }) {
// ...
},
} satisfies Theme;

View File

@ -0,0 +1,146 @@
/**
* Customize default theme styling by overriding CSS variables:
* https://github.com/vuejs/vitepress/blob/main/src/client/theme-default/styles/vars.css
*/
/**
* Colors
*
* Each colors have exact same color scale system with 3 levels of solid
* colors with different brightness, and 1 soft color.
*
* - `XXX-1`: The most solid color used mainly for colored text. It must
* satisfy the contrast ratio against when used on top of `XXX-soft`.
*
* - `XXX-2`: The color used mainly for hover state of the button.
*
* - `XXX-3`: The color for solid background, such as bg color of the button.
* It must satisfy the contrast ratio with pure white (#ffffff) text on
* top of it.
*
* - `XXX-soft`: The color used for subtle background such as custom container
* or badges. It must satisfy the contrast ratio when putting `XXX-1` colors
* on top of it.
*
* The soft color must be semi transparent alpha channel. This is crucial
* because it allows adding multiple "soft" colors on top of each other
* to create a accent, such as when having inline code block inside
* custom containers.
*
* - `default`: The color used purely for subtle indication without any
* special meanings attched to it such as bg color for menu hover state.
*
* - `brand`: Used for primary brand colors, such as link text, button with
* brand theme, etc.
*
* - `tip`: Used to indicate useful information. The default theme uses the
* brand color for this by default.
*
* - `warning`: Used to indicate warning to the users. Used in custom
* container, badges, etc.
*
* - `danger`: Used to show error, or dangerous message to the users. Used
* in custom container, badges, etc.
* -------------------------------------------------------------------------- */
:root {
--vp-c-treefmt-orange-1: #f79433;
--vp-c-treefmt-orange-2: #f6861a;
--vp-c-treefmt-orange-3: #dd6d00;
--vp-c-treefmt-orange-soft: rgba(245, 121, 0, 0.14);
--vp-c-treefmt-green-1: #9de05c;
--vp-c-treefmt-green-2: #8fdb45;
--vp-c-treefmt-green-3: #73d216;
--vp-c-treefmt-green-soft: rgba(115, 210, 22, 0.14);
--vp-c-treefmt-gray-1: #6d6e6a;
--vp-c-treefmt-gray-2: #888a85;
--vp-c-treefmt-gray-3: #a0a19d;
--vp-c-treefmt-gray-soft: rgba(136, 138, 133, 0.14);
--vp-c-default-1: var(--vp-c-treefmt-gray-1);
--vp-c-default-2: var(--vp-c-treefmt-gray-2);
--vp-c-default-3: var(--vp-c-treefmt-gray-3);
--vp-c-default-soft: var(--vp-c-treefmt-gray-soft);
--vp-c-brand-1: var(--vp-c-treefmt-orange-1);
--vp-c-brand-2: var(--vp-c-treefmt-orange-2);
--vp-c-brand-3: var(--vp-c-treefmt-orange-3);
--vp-c-brand-soft: var(--vp-c-treefmt-orange-soft);
--vp-c-tip-1: var(--vp-c-brand-1);
--vp-c-tip-2: var(--vp-c-brand-2);
--vp-c-tip-3: var(--vp-c-brand-3);
--vp-c-tip-soft: var(--vp-c-brand-soft);
--vp-c-warning-1: var(--vp-c-yellow-1);
--vp-c-warning-2: var(--vp-c-yellow-2);
--vp-c-warning-3: var(--vp-c-yellow-3);
--vp-c-warning-soft: var(--vp-c-yellow-soft);
--vp-c-danger-1: var(--vp-c-red-1);
--vp-c-danger-2: var(--vp-c-red-2);
--vp-c-danger-3: var(--vp-c-red-3);
--vp-c-danger-soft: var(--vp-c-red-soft);
}
/**
* Component: Button
* -------------------------------------------------------------------------- */
:root {
--vp-button-brand-border: transparent;
--vp-button-brand-text: var(--vp-c-white);
--vp-button-brand-bg: var(--vp-c-brand-3);
--vp-button-brand-hover-border: transparent;
--vp-button-brand-hover-text: var(--vp-c-white);
--vp-button-brand-hover-bg: var(--vp-c-brand-2);
--vp-button-brand-active-border: transparent;
--vp-button-brand-active-text: var(--vp-c-white);
--vp-button-brand-active-bg: var(--vp-c-brand-1);
}
/**
* Component: Home
* -------------------------------------------------------------------------- */
:root {
--vp-home-hero-image-background-image: linear-gradient(
-45deg,
var(--vp-c-treefmt-orange-3) 50%,
var(--vp-c-treefmt-green-1) 50%
);
--vp-home-hero-image-filter: blur(44px);
}
@media (min-width: 640px) {
:root {
--vp-home-hero-image-filter: blur(56px);
}
}
@media (min-width: 960px) {
:root {
--vp-home-hero-image-filter: blur(68px);
}
}
/**
* Component: Custom Block
* -------------------------------------------------------------------------- */
:root {
--vp-custom-block-tip-border: transparent;
--vp-custom-block-tip-text: var(--vp-c-text-1);
--vp-custom-block-tip-bg: var(--vp-c-brand-soft);
--vp-custom-block-tip-code-bg: var(--vp-c-brand-soft);
}
/**
* Component: Algolia
* -------------------------------------------------------------------------- */
.DocSearch {
--docsearch-primary-color: var(--vp-c-brand-1) !important;
}

145
docs/contributing.md Normal file
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@ -0,0 +1,145 @@
---
outline: deep
---
# Contribution guidelines
This file contains instructions that will help you make a contribution.
## Licensing
The treefmt binaries and this user guide are licensed under the [MIT license](https://numtide.github.io/treefmt/LICENSE.html).
## Before you contribute
Here you can take a look at the [existing issues](https://github.com/numtide/treefmt/issues). Feel free to contribute, but make sure you have a [GitHub account](https://github.com/join) first :) .
If you're new to open source, please read GitHub's guide on [How to Contribute to Open Source](https://opensource.guide/how-to-contribute/). It's a quick read, and it's a great way to introduce yourself to how things work behind the scenes in open-source projects.
Before sending a pull request, make sure that you've read all the guidelines. If you don't understand something, please [state your question clearly in an issue](https://github.com/numtide/treefmt/issues/new) or ask the community on the [treefmt matrix server](https://matrix.to/#/#treefmt:numtide.com).
## Creating an issue
If you need to create an issue, make sure to clearly describe it, including:
- The steps to reproduce it if it's a bug
- The version of treefmt used
- The database driver and version
- The database version
The cache database is stored in a toml file the ~/.cache/treefmt directory.
## Making changes
If you want to introduce changes to the project, please follow these steps:
- Fork the repository on GitHub
- Create a branch on your fork. Don't commit directly to main
- Add the necessary tests for your changes
- Run treefmt in the source directory before you commit your changes
- Push your changes to the branch in your repository fork
- Submit a pull request to the original repository
Make sure you based your commits on logical and atomic units!
## Examples of git history
Git history that we want to have:
Git history that we are trying to avoid:
<details>
<summary>Git history that we want to have</summary>
```
* e3ed88b (HEAD -> contribution-guide, upstream/main, origin/main, origin/HEAD, main) Merge pull request #470 from zimbatm/fix_lru_cache
|\
| * 1ab7d9f Use rayon for multithreading command
|/
* e9c5bb4 Merge pull request #468 from zimbatm/multithread
|\
| * de2d6cf Add lint property for Formatter struct
| * cd2ed17 Fix impl on Formatter get_command() function
|/
* 028c344 Merge pull request #465 from rayon/0.15.0-release
|\
| * 7b619d6 0.15.0 release
|/
* acdf7df Merge pull request #463 from zimbatm/support-multi-part-namespaces
```
</details>
<details>
<summary>Git history that we are <b>trying</b> to avoid:</summary>
```
* 4c8aca8 Merge pull request #120 from zimbatm/add-rayon
|\
| * fc2b449 use rayon for engine now
| * 2304683 add rayon config
| * 5285bd3 bump base image to F30
* | 4d0fbe2 Merge pull request #114 from rizary/create_method_create_release
|\ \
| * | 36a9396 test changed
| * | 22f681d method create release for github created
* | | 2ef4ea1 Merge pull request #119 from rizary/config.rs
|\ \ \
| |/ /
|/| |
| * | 5f1b8f0 unused functions removed
* | | a93c361 Merge pull request #117 from zimbatm/add-getreleases-to-abstract
|\ \ \
| |/ /
|/| |
| * | 0a97236 add get_releses for Cargo
| * | 55e4c57 add get_releases/get_release into engine.rs
|/ /
* | badeddd Merge pull request #101 from zimbatm/extreme-cachin
```
</details>
Additionally, it's always good to work on improving documentation and adding examples.
Thank you for considering contributing to `treefmt`.

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# FAQ
## How does treefmt function?
`Treefmt` traverses all your project's folders, maps files to specific code formatters, and formats the code accordingly. Other tools also traverse the filesystem, but not necessarily starting from the root of the project.
Contrary to other formatters, `treefmt` doesn't preview the changes before writing them to a file. If you want to view the changes, you can always check the diff in your version control (we assume that your project is checked into a version control system). You can also rely on version control if errors were introduced into your code as a result of disruptions in the formatter's work.
## How is the cache organized?
At this moment, the cache is represented by a flat TOML file where file paths are mapped to `mtimes`. The file is located in:
```
~/.cache/treefmt/<hash-of-the-treefmt.toml-path>.toml
```
However, we are planning to move the hash file to the destination project's root directory.
At the end of each tool run, the cache file gets overwritten with the last formatting time entries. In this way, we can can compare the last change time of the file to the last formatting time, and figure out which files need re-formatting.

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---
outline: deep
---
# Formatter Specification
In order to keep the design of `treefmt` simple, we support only formatters which adhere to a certain standard. This document outlines this standard. If the formatter you would like to use doesn't comply with the rules, it's often possible to create a wrapper script that transforms the usage to match the specification.
In this design, we rely on `treefmt` to do the tree traversal, and only invoke
the code formatter on the selected files.
## Rules
In order for the formatter to comply to this spec, it MUST follow the
following rules:
### 1. Files passed as arguments
In order to be integrated to `treefmt`'s workflow, the formatter's CLI must adhere to the following specification:
```
<command> [options] [...<files>]
```
Where:
- `<command>` is the name of the formatting tool.
- `[options]` is any number of flags and options that the formatter accepts.
- `[...<files>]` is one or more files given to the formatter for processing.
Example:
```
$ rustfmt --edition 2018 src/main.rs src/lib.rs
```
It SHOULD processes only the specified files. Files that are not passed SHOULD never be formatted.
### 2. Write to changed files
Whenever there is a change to the code formatting, the code formatter MUST
write to the changes back to the original location.
If there is no changes to the original file, the formatter MUST NOT write to
the original location.
### 3. Idempotent
The code formatter SHOULD be indempotent. Meaning that it produces stable
outputs.
### 4. Reliable
We expect the formatter to be reliable and not break the semantic of the
formatted files.

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# A list of known formatters
Here is a list of all the formatters we tested. Feel free to send a PR to add
other ones!
## [prettier](https://prettier.io/)
An opinionated code formatter that supports many languages.
```toml
command = "prettier"
options = ["--write"]
includes = [
"*.css",
"*.html",
"*.js",
"*.json",
"*.jsx",
"*.md",
"*.mdx",
"*.scss",
"*.ts",
"*.yaml",
]
```
## [Black](https://github.com/psf/black)
A python formatter.
```toml
command = "black"
includes = ["*.py"]
```
## [clang-format](https://clang.llvm.org/docs/ClangFormat.html)
A tool to format C/C++/Java/JavaScript/Objective-C/Protobuf/C# code.
```toml
command = "clang-format"
options = [ "-i" ]
includes = [ "*.c", "*.cpp", "*.cc", "*.h", "*.hpp" ]
```
Note: This example focuses on C/C++ but can be modified to use with other languages.
## Elm
```toml
command = "elm-format"
options = ["--yes"]
includes = ["*.elm"]
```
## Go
```toml
command = "gofmt"
options = ["-w"]
includes = ["*.go"]
```
## [Ormolu](https://github.com/tweag/ormolu)
Haskell formatter. Make sure to use ormolu 0.1.4.0+ as older versions don't
adhere to the spec.
```toml
command = "ormolu"
options = [
"--ghc-opt", "-XBangPatterns",
"--ghc-opt", "-XPatternSynonyms",
"--ghc-opt", "-XTypeApplications",
"--mode", "inplace",
"--check-idempotence",
]
includes = ["*.hs"]
```
## [stylish-haskell](https://github.com/jaspervdj/stylish-haskell)
Another Haskell formatter.
```toml
command = "stylish-haskell"
options = [ "--inplace" ]
includes = [ "*.hs" ]
```
## [nixpkgs-fmt](https://github.com/nix-community/nixpkgs-fmt)
Nix code formatter.
```toml
command = "nixpkgs-fmt"
includes = ["*.nix"]
```
## rustfmt
```toml
command = "rustfmt"
options = ["--edition", "2018"]
includes = ["*.rs"]
```
## [rufo](https://github.com/ruby-formatter/rufo)
Rufo is an opinionated ruby formatter. By default it exits with status 3 on
file change so we have to pass the `-x` option.
```toml
command = "rufo"
options = ["-x"]
includes = ["*.rb"]
```
## cargo fmt
`cargo fmt` is not supported as it doesn't follow the spec. It doesn't allow
to pass arbitrary files to be formatted, which treefmt relies on. Use `rustfmt`
instead (which is what `cargo fmt` uses under the hood).
## [shfmt](https://github.com/mvdan/sh)
A shell code formatter.
```toml
command = "shfmt"
options = [
"-i",
"2", # indent 2
"-s", # simplify the code
"-w", # write back to the file
]
includes = ["*.sh"]
```
## terraform
terraform fmt only supports formatting one file at the time. See
https://github.com/hashicorp/terraform/pull/28191

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---
# https://vitepress.dev/reference/default-theme-home-page
layout: home
hero:
name: "Treefmt"
text: "One CLI to format your repo"
image:
src: /fmt.gif
alt: Treefmt
actions:
- theme: brand
text: Quick Start
link: /quick-start
- theme: alt
text: More Info
link: /overview
---

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---
outline: deep
---
# Installation
There are two options to install `treefmt`: by downloading the latest binary, or by compiling and building the tool from source.
## Installing with a binary file
You can find the list of the latest binaries [here](https://github.com/numtide/treefmt/releases).
## Building from source
There are several ways to build `treefmt` from source. Your choice will depend on whether you're a [nix](https://github.com/NixOS/nix) user.
### Non-Nix User
To try the project without building it, run:
```
$ cargo run -- --help
```
The command will output the manual. You can run the tool in this manner with any other flag or option to format your project.
To build a binary, you need to have rust installed. You can install it with [rustup](https://rustup.rs/). Now, if you want to build the project, switch to the project root folder and run:
```
$ cargo build
```
After the successful execution of the cargo build command, you will find the `treefmt` binary in the target folder.
### Nix User
[Nix](https://github.com/NixOS/nix) is a package manager foundational for NixOS. You can use it in NixOS and in any other OS equally.
If you're using both `treefmt` and `nix`, you can go for [`treefmt-nix`](https://github.com/numtide/treefmt-nix), a special tool that makes installation and configuration of `treefmt` with `nix` easier.
**Non-flake user**
Here you also have two options: you can install `treefmt` with plain nix-build , or with nix-shell.
To build the package with nix-build, just run:
```
$ nix-build -A treefmt
```
**Nix-flake user**
If you want to use this repository with flakes, please enable the flakes feature first. To run the project with flakes without building it, you can execute the following command in the root folder:
```
$ nix run . -- --help
```
To build the project, run the following command in the root folder:
```
$ nix build
```
The `treefmt` binary will be available in the result folder.

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# About the project
`treefmt` is a formatting tool that saves you time: it provides developers with a universal way to trigger all
formatters needed for the project in one place.
## Background
Typically, each project has its own code standards enforced by the project's owner. Any code contributions must match
that given standard, i.e. be formatted in a specific manner.
At first glance, the task of code formatting may seem trivial: the formatter can be automatically triggered when you
save a file in your IDE. Indeed, formatting doesn't take much effort if you're working on a single project long term:
setting up the formatters in your IDE won't take much of your time, and then you're ready to go.
Contrary to that, if you're working on multiple projects at the same time, you may have to update your formatter
configs in the IDE each time you switch between the projects. This is because formatter settings aren't
project-specific --- they are set up globally for all projects.
Alternatively, you can trigger formatters manually, one-by-one or in a script. Actually, for bigger projects, it's
common to have a script that runs over your project's directories and calls formatters consequently. But it takes time
to iterate through all the files.
All the solutions take up a significant amount of time which a developer could spend doing the actual work. They also
require you to remember which formatters and options are used by each project you are working on.
`treefmt` solves these issues.
## Why treefmt?
`treefmt`'s configuration is project-specific, so you don't need to re-configure formatters each time you switch
between projects, like you have to when working with formatters in the IDE.
Contrary to calling formatters from the command line, there's no need to remember all the specific formatters required
for each project. Once you set up the config, you can run the tool in any of your project's folders without any
additional flags or options.
Typically, formatters have different ways to say there was a specific error. With `treefmt`, you get a standardized
output which is easier to understand than the variegated outputs of different formatters, so it takes less time to
grasp what's wrong.
In addition, `treefmt` works faster than the custom script solution because the changed files are cached and the
formatters run only against them. Moreover, formatters are run in parallel, which makes the tool even faster.
The difference may not be significant for smaller projects, but it gets quite visible as the project grows. For
instance, take the caching optimization.
It takes 22 seconds to traverse a project of 40,559 files and no changes without caching:
```
traversed 40559 files
emitted 40559 files for processing
matched 33712 files to formatters
formatted 33712 files in 22.270884528s
```
...while it takes **270 milliseconds** to traverse the same project with caching:
```
traversed 40559 files
emitted 6847 files for processing
matched 0 files to formatters
formatted 0 files in 270.53513ms
```
The tool can be invoked manually or integrated into your CI. There's currently no integration with IDEs, but the feature is coming soon.
## What we still need help with
- **IDE integration:** Most of developers are used to formatting a file upon save in the IDE. So far, you can't use `treefmt` for this purpose, but we're working on it 😀
- **Pre-commit hook:** It's good to have your code checked for adherence to the project's standards before commit. `treefmt` pre-commit hook won't let you commit if you have formatting issues.
As a next step, learn how to [install] and [use] `treefmt`.
[install]: installation.md
[use]: usage.md

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"build": "vitepress build",
"preview": "vitepress preview"
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---
outline: none
---
# Quick start
To run `treefmt` in your project, please follow these steps:
1. [Install] `treefmt`.
2. Install any formatters you wish to use with `treefmt`.
3. Run `treefmt --init` to generate a basic configuration file `treefmt.toml`.
4. Edit the configuration, adding formatters as desired. See [here] for more info on how to configure a formatter.
5. Run `treefmt` with the needed flags and options. You can check the supported options by executing `treefmt --help`.
In the following sections we will guide you through installing and configuring `treefmt` in detail.
[install]: installation.md
[here]: formatter-spec.md

115
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@ -0,0 +1,115 @@
# Usage
You can run treefmt by executing:
`$ treefmt`
or, if it's not in your `$PATH`:
`$ ./treefmt`
Treefmt has the following specification:
```
treefmt [FLAGS] [OPTIONS] [--] [paths]...
```
## Flags
`--allow-missing-formatter`
> Do not exit with an error if some of the configured formatters are missing.
`--clear-cache`
> Reset the evaluation cache. Invalidation should happen automatically if the formatting tool has been updated, or if the files to format have changed. If cache wasn't properly invalidated, you can use this flag to clear the cache.
`--fail-on-change`
> Exit with error if some files require re-formatting. This is useful for your CI if you want to detect if the contributed code was forgotten to be formatted.
`-h, --help`
> Prints available flags and options
`--init`
> Creates a new config file `treefmt.toml`.
`--no-cache`
> Tells `treefmt` to ignore the evaluation cache entirely. With this flag, you can avoid cache invalidation issues, if any. Typically, the machine that is running treefmt in the CI is starting with a fresh environment each time, so any calculated cache is lost. The `--no-cache` flag eliminates unnecessary work in the CI.
`-q, --quiet`
> Don't print output to stderr.
`--stdin`
> Format the content passed in stdin.
`-V, --version`
> Print version information.
`-v, --verbose`
> Change the log verbosity. Log verbosity is based off the number of 'v' used. With one `-v`, your logs will display `[INFO]` and `[ERROR]` messages, while `-vv` will also show `[DEBUG]` messages.
`--config-file <config-file>`
> Run with the specified config file which is not in the project tree.
`-f, --formatters <formatters>...`
> Only apply selected formatters. Defaults to all formatters.
`-H, --hidden`
> Also traverse hidden files (files that start with a .). This behaviour can be overridden with the `--no-hidden` flag.
`--no-hidden`
> Override the `--hidden` flag. Don't traverse hidden files.
`--tree-root <tree-root>`
> Set the path to the tree root directory where treefmt will look for the files to format. Defaults to the folder holding the `treefmt.toml` file. Its mostly useful in combination with `--config-file` to specify the project root which wont coincide with the directory holding `treefmt.toml`.
`-C <work-dir>`
> Run as if `treefmt` was started in `<work-dir>` instead of the current working directory (default: `.`). Equivalent to `cd <work dir>; treefmt`.
## Arguments
`<paths>...`
> Paths to format. Defaults to formatting the whole tree
## CI integration
Typically, you would use treefmt in the CI with the `--fail-on-change` and `--no-cache flags`. Find the explanations above.
You can you set a `treefmt` job in the GitHub pipeline for Ubuntu with nix-shell like this:
```
name: treefmt
on:
pull_request:
push:
branches: main
jobs:
formatter:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v1
- uses: cachix/install-nix-action@v12
with:
nix_path: nixpkgs=channel:nixos-unstable
- uses: cachix/cachix-action@v10
with:
name: nix-community
authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
- name: treefmt
run: nix-shell --run "treefmt --fail-on-change --no-cache"
```

24
docs/vhs/fmt.tape Normal file
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@ -0,0 +1,24 @@
Require nix
Set Shell zsh
Set FontSize 12
Set Theme "Catppuccin Mocha"
Set Width 360
Set Height 260
Set Padding 20
Type "nix fmt -- --no-cache"
Sleep 1s
Enter
Sleep 3s
Enter
Enter
Sleep 1s
Type "nix fmt"
Enter
Sleep 5s

View File

@ -8,11 +8,11 @@
]
},
"locked": {
"lastModified": 1705332421,
"narHash": "sha256-USpGLPme1IuqG78JNqSaRabilwkCyHmVWY0M9vYyqEA=",
"lastModified": 1713532798,
"narHash": "sha256-wtBhsdMJA3Wa32Wtm1eeo84GejtI43pMrFrmwLXrsEc=",
"owner": "numtide",
"repo": "devshell",
"rev": "83cb93d6d063ad290beee669f4badf9914cc16ec",
"rev": "12e914740a25ea1891ec619bb53cf5e6ca922e40",
"type": "github"
},
"original": {
@ -26,11 +26,11 @@
"nixpkgs-lib": "nixpkgs-lib"
},
"locked": {
"lastModified": 1706830856,
"narHash": "sha256-a0NYyp+h9hlb7ddVz4LUn1vT/PLwqfrWYcHMvFB1xYg=",
"lastModified": 1712014858,
"narHash": "sha256-sB4SWl2lX95bExY2gMFG5HIzvva5AVMJd4Igm+GpZNw=",
"owner": "hercules-ci",
"repo": "flake-parts",
"rev": "b253292d9c0a5ead9bc98c4e9a26c6312e27d69f",
"rev": "9126214d0a59633752a136528f5f3b9aa8565b7d",
"type": "github"
},
"original": {
@ -41,11 +41,11 @@
},
"flake-root": {
"locked": {
"lastModified": 1692742795,
"narHash": "sha256-f+Y0YhVCIJ06LemO+3Xx00lIcqQxSKJHXT/yk1RTKxw=",
"lastModified": 1713493429,
"narHash": "sha256-ztz8JQkI08tjKnsTpfLqzWoKFQF4JGu2LRz8bkdnYUk=",
"owner": "srid",
"repo": "flake-root",
"rev": "d9a70d9c7a5fd7f3258ccf48da9335e9b47c3937",
"rev": "bc748b93b86ee76e2032eecda33440ceb2532fcd",
"type": "github"
},
"original": {
@ -98,11 +98,11 @@
]
},
"locked": {
"lastModified": 1705314449,
"narHash": "sha256-yfQQ67dLejP0FLK76LKHbkzcQqNIrux6MFe32MMFGNQ=",
"lastModified": 1710154385,
"narHash": "sha256-4c3zQ2YY4BZOufaBJB4v9VBBeN2dH7iVdoJw8SDNCfI=",
"owner": "nix-community",
"repo": "gomod2nix",
"rev": "30e3c3a9ec4ac8453282ca7f67fca9e1da12c3e6",
"rev": "872b63ddd28f318489c929d25f1f0a3c6039c971",
"type": "github"
},
"original": {
@ -113,11 +113,11 @@
},
"nix-filter": {
"locked": {
"lastModified": 1705332318,
"narHash": "sha256-kcw1yFeJe9N4PjQji9ZeX47jg0p9A0DuU4djKvg1a7I=",
"lastModified": 1710156097,
"narHash": "sha256-1Wvk8UP7PXdf8bCCaEoMnOT1qe5/Duqgj+rL8sRQsSM=",
"owner": "numtide",
"repo": "nix-filter",
"rev": "3449dc925982ad46246cfc36469baf66e1b64f17",
"rev": "3342559a24e85fc164b295c3444e8a139924675b",
"type": "github"
},
"original": {
@ -128,11 +128,11 @@
},
"nixpkgs": {
"locked": {
"lastModified": 1707689078,
"narHash": "sha256-UUGmRa84ZJHpGZ1WZEBEUOzaPOWG8LZ0yPg1pdDF/yM=",
"lastModified": 1714253743,
"narHash": "sha256-mdTQw2XlariysyScCv2tTE45QSU9v/ezLcHJ22f0Nxc=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "f9d39fb9aff0efee4a3d5f4a6d7c17701d38a1d8",
"rev": "58a1abdbae3217ca6b702f03d3b35125d88a2994",
"type": "github"
},
"original": {
@ -145,11 +145,11 @@
"nixpkgs-lib": {
"locked": {
"dir": "lib",
"lastModified": 1706550542,
"narHash": "sha256-UcsnCG6wx++23yeER4Hg18CXWbgNpqNXcHIo5/1Y+hc=",
"lastModified": 1711703276,
"narHash": "sha256-iMUFArF0WCatKK6RzfUJknjem0H9m4KgorO/p3Dopkk=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "97b17f32362e475016f942bbdfda4a4a72a8a652",
"rev": "d8fe5e6c92d0d190646fb9f1056741a229980089",
"type": "github"
},
"original": {

View File

@ -3,6 +3,7 @@
inputs.flake-root.flakeModule
./checks.nix
./devshell.nix
./docs.nix
./nixpkgs.nix
./packages.nix
./treefmt.nix

72
nix/docs.nix Normal file
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@ -0,0 +1,72 @@
_: {
perSystem = {
pkgs,
self',
...
}: {
packages.docs = pkgs.buildNpmPackage {
pname = "treefmt-docs";
inherit (self'.packages.default) version;
src = ../docs;
npmDepsHash = "sha256-J9qTWueOcSBq7qRec6YdTuWI2VlVQ0q6AynDLovf6s0=";
# we have to use a custom build phase because vitepress is doing something funky with the ttty
buildPhase = ''
cat | npm run build 2>&1 | cat
'';
installPhase = ''
runHook preInstall
cp -rv .vitepress/dist/ $out
runHook postInstall
'';
};
devshells.default = {
packages = [
pkgs.nodejs
];
commands = let
category = "docs";
in [
{
inherit category;
name = "docs:dev";
help = "serve docs for local development";
command = "cd $PRJ_ROOT/docs && npm run dev";
}
{
inherit category;
name = "docs:build";
help = "create a production build of docs";
command = "cd $PRJ_ROOT/docs && npm run build";
}
{
inherit category;
name = "docs:preview";
help = "preview a production build of docs";
command = "cd $PRJ_ROOT/docs && npm run preview";
}
{
inherit category;
package = pkgs.vhs;
help = "generate terminal gifs";
}
{
category = "docs";
help = "regenerate gifs for docs";
name = "gifs";
command = ''
set -xeuo pipefail
for tape in $PRJ_ROOT/docs/vhs/*; do
vhs $tape -o "$PRJ_ROOT/docs/public/$(basename $tape .tape).gif"
done
'';
}
];
};
};
}

View File

@ -25,6 +25,7 @@
root = ../.;
exclude = [
"nix"
"docs"
];
};

65
stats/stats.go Normal file
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@ -0,0 +1,65 @@
package stats
import (
"fmt"
"strings"
"sync/atomic"
"time"
)
type Type int
const (
Traversed Type = iota
Emitted
Matched
Formatted
)
var (
counters map[Type]*atomic.Int32
start time.Time
)
func Init() {
// record start time
start = time.Now()
// init counters
counters = make(map[Type]*atomic.Int32)
counters[Traversed] = &atomic.Int32{}
counters[Emitted] = &atomic.Int32{}
counters[Matched] = &atomic.Int32{}
counters[Formatted] = &atomic.Int32{}
}
func Add(t Type, delta int32) int32 {
return counters[t].Add(delta)
}
func Value(t Type) int32 {
return counters[t].Load()
}
func Elapsed() time.Duration {
return time.Now().Sub(start)
}
func Print() {
components := []string{
"traversed %d files",
"emitted %d files for processing",
"matched %d files to formatters",
"formatted %d files in %v",
"",
}
fmt.Printf(
strings.Join(components, "\n"),
Value(Traversed),
Value(Emitted),
Value(Matched),
Value(Formatted),
Elapsed(),
)
}