:art: split out platform-dependent logging for compile-time selection

3 files changed, 144 insertions, 105 deletions

diff --git a/pkg/app/app.go b/pkg/app/app.go
index 491112a3f..fd4df9d75 100644
--- a/pkg/app/app.go
+++ b/pkg/app/app.go
@@ -4,14 +4,12 @@ import (
 	"bufio"
 	"errors"
 	"fmt"
-	"github.com/aybabtme/humanlog"
 	"github.com/jesseduffield/lazygit/pkg/commands"
 	"github.com/jesseduffield/lazygit/pkg/commands/oscommands"
 	"github.com/jesseduffield/lazygit/pkg/config"
 	"github.com/jesseduffield/lazygit/pkg/env"
 	"github.com/jesseduffield/lazygit/pkg/gui"
 	"github.com/jesseduffield/lazygit/pkg/i18n"
-	"github.com/jesseduffield/lazygit/pkg/secureexec"
 	"github.com/jesseduffield/lazygit/pkg/updates"
 	"github.com/sirupsen/logrus"
 	"io"
@@ -20,10 +18,8 @@ import (
 	"os"
 	"path/filepath"
 	"regexp"
-	"runtime"
 	"strconv"
 	"strings"
-	"time"
 )
 
 // App struct
@@ -310,104 +306,3 @@ func (app *App) KnownError(err error) (string, bool) {
 	}
 	return "", false
 }
-
-func TailLogs() {
-	logFilePath, err := config.LogPath()
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	fmt.Printf("Tailing log file %s\n\n", logFilePath)
-
-	opts := humanlog.DefaultOptions
-	opts.Truncates = false
-
-	_, err = os.Stat(logFilePath)
-	if err != nil {
-		if os.IsNotExist(err) {
-			log.Fatal("Log file does not exist. Run `lazygit --debug` first to create the log file")
-		}
-		log.Fatal(err)
-	}
-
-	if runtime.GOOS == "windows" {
-		TailLogsNative(logFilePath, opts)
-		return
-	}
-
-	cmd := secureexec.Command("tail", "-f", logFilePath)
-
-	stdout, _ := cmd.StdoutPipe()
-	if err := cmd.Start(); err != nil {
-		log.Fatal(err)
-	}
-
-	if err := humanlog.Scanner(stdout, os.Stdout, opts); err != nil {
-		log.Fatal(err)
-	}
-
-	if err := cmd.Wait(); err != nil {
-		log.Fatal(err)
-	}
-
-	os.Exit(0)
-}
-
-func TailLogsNative(logFilePath string, opts *humanlog.HandlerOptions) {
-	var lastModified int64 = 0
-	var lastOffset int64 = 0
-	for {
-		stat, err := os.Stat(logFilePath)
-		if err != nil {
-			log.Fatal(err)
-		}
-		if stat.ModTime().Unix() > lastModified {
-			err = TailFrom(lastOffset, logFilePath, opts)
-			if err != nil {
-				log.Fatal(err)
-			}
-		}
-		lastOffset = stat.Size()
-		time.Sleep(1 * time.Second)
-	}
-}
-
-func OpenAndSeek(filepath string, offset int64) (*os.File, error) {
-	file, err := os.Open(filepath)
-	if err != nil {
-		return nil, err
-	}
-
-	_, err = file.Seek(offset, 0)
-	if err != nil {
-		_ = file.Close()
-		return nil, err
-	}
-	return file, nil
-}
-
-func TailFrom(lastOffset int64, logFilePath string, opts *humanlog.HandlerOptions) error {
-	file, err := OpenAndSeek(logFilePath, lastOffset)
-	if err != nil {
-		return err
-	}
-
-	fileScanner := bufio.NewScanner(file)
-	var lines []string
-	for fileScanner.Scan() {
-		lines = append(lines, fileScanner.Text())
-	}
-	file.Close()
-	lineCount := len(lines)
-	lastTen := lines
-	if lineCount > 10 {
-		lastTen = lines[lineCount-10:]
-	}
-	for _, line := range lastTen {
-		reader := strings.NewReader(line)
-		if err := humanlog.Scanner(reader, os.Stdout, opts); err != nil {
-			log.Fatal(err)
-		}
-	}
-	return nil
-}
diff --git a/pkg/app/logging.go b/pkg/app/logging.go
new file mode 100644
index 000000000..4484f0bc3
--- /dev/null
+++ b/pkg/app/logging.go
@@ -0,0 +1,49 @@
+// +build !windows
+
+package app
+
+import (
+	"fmt"
+	"github.com/aybabtme/humanlog"
+	"github.com/jesseduffield/lazygit/pkg/config"
+	"github.com/jesseduffield/lazygit/pkg/secureexec"
+	"log"
+	"os"
+)
+
+func TailLogs1() {
+	logFilePath, err := config.LogPath()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Printf("Tailing log file %s\n\n", logFilePath)
+
+	opts := humanlog.DefaultOptions
+	opts.Truncates = false
+
+	_, err = os.Stat(logFilePath)
+	if err != nil {
+		if os.IsNotExist(err) {
+			log.Fatal("Log file does not exist. Run `lazygit --debug` first to create the log file")
+		}
+		log.Fatal(err)
+	}
+
+	cmd := secureexec.Command("tail", "-f", logFilePath)
+
+	stdout, _ := cmd.StdoutPipe()
+	if err := cmd.Start(); err != nil {
+		log.Fatal(err)
+	}
+
+	if err := humanlog.Scanner(stdout, os.Stdout, opts); err != nil {
+		log.Fatal(err)
+	}
+
+	if err := cmd.Wait(); err != nil {
+		log.Fatal(err)
+	}
+
+	os.Exit(0)
+}
diff --git a/pkg/app/logging_windows.go b/pkg/app/logging_windows.go
new file mode 100644
index 000000000..8c3e937a1
--- /dev/null
+++ b/pkg/app/logging_windows.go
@@ -0,0 +1,95 @@
+// +build windows
+
+package app
+
+import (
+	"bufio"
+	"fmt"
+	"github.com/aybabtme/humanlog"
+	"github.com/jesseduffield/lazygit/pkg/config"
+	"log"
+	"os"
+	"strings"
+	"time"
+)
+
+func TailLogs() {
+	logFilePath, err := config.LogPath()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Printf("Tailing log file %s\n\n", logFilePath)
+
+	opts := humanlog.DefaultOptions
+	opts.Truncates = false
+
+	_, err = os.Stat(logFilePath)
+	if err != nil {
+		if os.IsNotExist(err) {
+			log.Fatal("Log file does not exist. Run `lazygit --debug` first to create the log file")
+		}
+		log.Fatal(err)
+	}
+
+	TailLogsNative(logFilePath, opts)
+}
+
+func TailLogsNative(logFilePath string, opts *humanlog.HandlerOptions) {
+	var lastModified int64 = 0
+	var lastOffset int64 = 0
+	for {
+		stat, err := os.Stat(logFilePath)
+		if err != nil {
+			log.Fatal(err)
+		}
+		if stat.ModTime().Unix() > lastModified {
+			err = TailFrom(lastOffset, logFilePath, opts)
+			if err != nil {
+				log.Fatal(err)
+			}
+		}
+		lastOffset = stat.Size()
+		time.Sleep(1 * time.Second)
+	}
+}
+
+func OpenAndSeek(filepath string, offset int64) (*os.File, error) {
+	file, err := os.Open(filepath)
+	if err != nil {
+		return nil, err
+	}
+
+	_, err = file.Seek(offset, 0)
+	if err != nil {
+		_ = file.Close()
+		return nil, err
+	}
+	return file, nil
+}
+
+func TailFrom(lastOffset int64, logFilePath string, opts *humanlog.HandlerOptions) error {
+	file, err := OpenAndSeek(logFilePath, lastOffset)
+	if err != nil {
+		return err
+	}
+
+	fileScanner := bufio.NewScanner(file)
+	var lines []string
+	for fileScanner.Scan() {
+		lines = append(lines, fileScanner.Text())
+	}
+	file.Close()
+	lineCount := len(lines)
+	lastTen := lines
+	if lineCount > 10 {
+		lastTen = lines[lineCount-10:]
+	}
+	for _, line := range lastTen {
+		reader := strings.NewReader(line)
+		if err := humanlog.Scanner(reader, os.Stdout, opts); err != nil {
+			log.Fatal(err)
+		}
+	}
+	return nil
+}