build: Introduce PGO.

Author: skyzyx

.gitattributes

@@ -1,10 +1,8 @@
 # Helps Git use the right algorithms for diffs
 # https://git-scm.com/docs/gitattributes
-
 # Auto detect text files and perform LF normalization
 # https://www.davidlaing.com/2012/09/19/customise-your-gitattributes-to-become-a-git-ninja/
 *          text=auto
-
 # Front-end
 *.css      text eol=lf diff=css
 *.htm      text eol=lf diff=html
@@ -15,7 +13,6 @@
 *.scss     text eol=lf diff=css
 *.ts       text eol=lf
 *.xhtml    text eol=lf diff=html
-
 # Documents
 *.bibtex   text diff=bibtex
 *.doc      diff=astextplain
@@ -47,12 +44,10 @@
 *.mdtxt    text eol=lf diff=markdown
 *.mdtext   text eol=lf diff=markdown
 *.txt      text eol=lf
-
 # "Files"
 Dockerfile text eol=lf
 Makefile   text eol=lf
 *README*   text eol=lf
-
 # Graphics
 *.png      binary
 *.jpg      binary
@@ -65,7 +60,6 @@ Makefile   text eol=lf
 *.svg      text eol=lf
 *.svgz     binary
 *.webp     binary
-
 # Scripts
 *.bash     text eol=lf
 *.fish     text eol=lf
@@ -74,22 +68,19 @@ Makefile   text eol=lf
 *.bat      text eol=crlf
 *.cmd      text eol=crlf
 *.ps1      text eol=crlf
-
 # Fonts
 *.ttf      binary
 *.eot      binary
 *.otf      binary
 *.woff     binary
 *.woff2    binary
-
 # Serialization
 *.ini      text eol=lf
 *.json     text eol=lf
 *.toml     text eol=lf
 *.xml      text eol=lf
 *.yaml     text eol=lf
 *.yml      text eol=lf
-
 # Configs
 *.conf            text eol=lf
 *.config          text eol=lf
@@ -99,34 +90,28 @@ Makefile   text eol=lf
 .gitconfig        text eol=lf
 *.lock            text eol=lf -diff
 package-lock.json text eol=lf -diff
-
 # Archives
 *.7z       binary
 *.gz       binary
 *.tar      binary
 *.tgz      binary
 *.zip      binary
-
 # Database
 *.sql      text eol=lf
-
 # Text files where line endings should be preserved
 *.patch    -text
-
 # Exclude files from exporting
 .gitattributes export-ignore
 .gitignore     export-ignore
 .gitkeep       export-ignore
-
 # Treat all Go files in this repo as binary, with no git magic updating
 # line endings. Windows users contributing to Go will need to use a
 # modern version of git and editors capable of LF line endings.
 *.go       -text diff=golang
-
 # Terraform
 *.tf       text eol=lf
 *.tfvars   text eol=lf
 *.hcl      text eol=lf
-
 # Ignore files (like .npmignore or .gitignore)
 *.*ignore  text eol=lf
+*.pgo filter=lfs diff=lfs merge=lfs -text

.gitignore

@@ -9,6 +9,7 @@ _provider.tf
 *_override.tf
 *_override.tf.json
 *.pprof
+*.test
 *.tfstate*
 *.zip
 **/.terraform/*

cmd/version.go

@@ -17,8 +17,10 @@ package cmd
 import (
 	"fmt"
 	"os"
+	"path/filepath"
 	"runtime"
 	"runtime/debug"
+	"strings"
 	"text/tabwriter"
 
 	"github.com/gookit/color"
@@ -43,6 +45,9 @@ var (
 	// Dirty represents whether or not the git repo was dirty when the software was built.
 	Dirty = vcs("vcs.modified", "unknown")
 
+	// PGOEnabled represents whether or not the build leveraged Profile-Guided Optimization (PGO).
+	PGOEnabled = vcs("-pgo", "false")
+
 	versionCmd = &cobra.Command{
 		Use:   "version",
 		Short: "Long-form version information",
@@ -59,6 +64,9 @@ version, and external dependencies.`,
 			if Dirty == "true" {
 				fmt.Fprintf(w, " Dirty repo:\t%s\t\n", Dirty)
 			}
+			if !strings.Contains(PGOEnabled, "false") {
+				fmt.Fprintf(w, " PGO:\t%s\t\n", filepath.Base(PGOEnabled))
+			}
 			fmt.Fprintf(w, " Build date:\t%s\t\n", BuildDate)
 			fmt.Fprintf(w, " OS/Arch:\t%s/%s\t\n", runtime.GOOS, runtime.GOARCH)
 			fmt.Fprintf(w, " System:\t%s\t\n", archstring.GetFriendlyName(runtime.GOOS, runtime.GOARCH))
@@ -89,6 +97,14 @@ version, and external dependencies.`,
 				exiterrorf.ExitErrorf(err)
 			}
 
+			// if info, ok := debug.ReadBuildInfo(); ok {
+			// 	for i := range info.Settings {
+			// 		setting := info.Settings[i]
+
+			// 		fmt.Printf("%s = %s\n", setting.Key, setting.Value)
+			// 	}
+			// }
+
 			fmt.Println("")
 		},
 	}

default.pgo

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:300e7032db1493d300c14feb9b241bd6ce5a8e1f47440969dcc55c8459bc6fd5
+size 75733