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mirror of https://github.com/jesseduffield/lazygit.git synced 2024-12-14 11:23:09 +02:00
lazygit/pkg/utils/utils.go
2022-03-17 19:13:40 +11:00

127 lines
2.2 KiB
Go

package utils
import (
"encoding/json"
"fmt"
"log"
"os"
"path/filepath"
"regexp"
"runtime"
"strconv"
"strings"
"time"
"github.com/jesseduffield/gocui"
)
// GetCurrentRepoName gets the repo's base name
func GetCurrentRepoName() string {
pwd, err := os.Getwd()
if err != nil {
log.Fatalln(err.Error())
}
return filepath.Base(pwd)
}
// GetProjectRoot returns the path to the root of the project. Only to be used
// in testing contexts, as with binaries it's unlikely this path will exist on
// the machine
func GetProjectRoot() string {
dir, err := os.Getwd()
if err != nil {
panic(err)
}
return strings.Split(dir, "lazygit")[0] + "lazygit"
}
// Loader dumps a string to be displayed as a loader
func Loader() string {
characters := "|/-\\"
now := time.Now()
nanos := now.UnixNano()
index := nanos / 50000000 % int64(len(characters))
return characters[index : index+1]
}
// Min returns the minimum of two integers
func Min(x, y int) int {
if x < y {
return x
}
return y
}
func Max(x, y int) int {
if x > y {
return x
}
return y
}
func Clamp(x int, min int, max int) int {
if x < min {
return min
} else if x > max {
return max
}
return x
}
func AsJson(i interface{}) string {
bytes, _ := json.MarshalIndent(i, "", " ")
return string(bytes)
}
// used to keep a number n between 0 and max, allowing for wraparounds
func ModuloWithWrap(n, max int) int {
if n >= max {
return n % max
} else if n < 0 {
return max + n
} else {
return n
}
}
func FindStringSubmatch(str string, regexpStr string) (bool, []string) {
re := regexp.MustCompile(regexpStr)
match := re.FindStringSubmatch(str)
return len(match) > 0, match
}
func MustConvertToInt(s string) int {
i, err := strconv.Atoi(s)
if err != nil {
panic(err)
}
return i
}
// Safe will close tcell if a panic occurs so that we don't end up in a malformed
// terminal state
func Safe(f func()) {
_ = SafeWithError(func() error { f(); return nil })
}
func SafeWithError(f func() error) error {
panicking := true
defer func() {
if panicking && gocui.Screen != nil {
gocui.Screen.Fini()
}
}()
err := f()
panicking = false
return err
}
func StackTrace() string {
buf := make([]byte, 10000)
n := runtime.Stack(buf, false)
return fmt.Sprintf("%s\n", buf[:n])
}