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package main
import (
// "io"
// "io/ioutil"
// "strings"
"errors"
"strings"
"github.com/fatih/color"
"github.com/jesseduffield/gocui"
)
var (
// ErrNoFiles : when there are no modified files in the repo
ErrNoFiles = errors.New("No changed files")
)
func stagedFiles(files []GitFile) []GitFile {
result := make([]GitFile, 0)
for _, file := range files {
if file.HasStagedChanges {
result = append(result, file)
}
}
return result
}
func stageSelectedFile(g *gocui.Gui) error {
file, err := getSelectedFile(g)
if err != nil {
return err
}
return stageFile(file.Name)
}
func handleFilePress(g *gocui.Gui, v *gocui.View) error {
file, err := getSelectedFile(g)
if err != nil {
return err
}
if file.HasMergeConflicts {
return handleSwitchToMerge(g, v)
}
if file.HasUnstagedChanges {
stageFile(file.Name)
} else {
unStageFile(file.Name, file.Tracked)
}
if err := refreshFiles(g); err != nil {
return err
}
if err := handleFileSelect(g, v); err != nil {
return err
}
return nil
}
func getSelectedFile(g *gocui.Gui) (GitFile, error) {
if len(state.GitFiles) == 0 {
return GitFile{}, ErrNoFiles
}
filesView, err := g.View("files")
if err != nil {
panic(err)
}
lineNumber := getItemPosition(filesView)
return state.GitFiles[lineNumber], nil
}
func handleFileRemove(g *gocui.Gui, v *gocui.View) error {
file, err := getSelectedFile(g)
if err != nil {
return err
}
var deleteVerb string
if file.Tracked {
deleteVerb = "checkout"
} else {
deleteVerb = "delete"
}
return createConfirmationPanel(g, v, strings.Title(deleteVerb)+" file", "Are you sure you want to "+deleteVerb+" "+file.Name+" (you will lose your changes)?", func(g *gocui.Gui, v *gocui.View) error {
if err := removeFile(file); err != nil {
panic(err)
}
return refreshFiles(g)
}, nil)
}
func handleIgnoreFile(g *gocui.Gui, v *gocui.View) error {
file, err := getSelectedFile(g)
if err != nil {
return err
}
if file.Tracked {
return createErrorPanel(g, "Cannot ignore tracked files")
}
gitIgnore(file.Name)
return refreshFiles(g)
}
func renderfilesOptions(g *gocui.Gui, gitFile *GitFile) error {
optionsMap := map[string]string{
"tab": "next panel",
"S": "stash files",
"c": "commit changes",
"o": "open",
"s": "open in sublime",
"v": "open in vscode",
"i": "ignore",
"d": "delete",
"space": "toggle staged",
}
if state.HasMergeConflicts {
optionsMap["a"] = "abort merge"
optionsMap["m"] = "resolve merge conflicts"
}
if gitFile == nil {
return renderOptionsMap(g, optionsMap)
}
if gitFile.Tracked {
optionsMap["d"] = "checkout"
}
return renderOptionsMap(g, optionsMap)
}
func handleFileSelect(g *gocui.Gui, v *gocui.View) error {
gitFile, err := getSelectedFile(g)
if err != nil {
if err != ErrNoFiles {
return err
}
renderString(g, "main", "No changed files")
return renderfilesOptions(g, nil)
}
renderfilesOptions(g, &gitFile)
var content string
if gitFile.HasMergeConflicts {
return refreshMergePanel(g)
}
content = getDiff(gitFile)
return renderString(g, "main", content)
}
func handleCommitPress(g *gocui.Gui, filesView *gocui.View) error {
if len(stagedFiles(state.GitFiles)) == 0 && !state.HasMergeConflicts {
return createErrorPanel(g, "There are no staged files to commit")
}
createPromptPanel(g, filesView, "Commit message", func(g *gocui.Gui, v *gocui.View) error {
message := trimmedContent(v)
if message == "" {
return createErrorPanel(g, "You cannot commit without a commit message")
}
if err := gitCommit(message); err != nil {
panic(err)
}
refreshFiles(g)
return refreshCommits(g)
})
return nil
}
func genericFileOpen(g *gocui.Gui, v *gocui.View, open func(string) (string, error)) error {
file, err := getSelectedFile(g)
if err != nil {
return err
}
_, err = open(file.Name)
return err
}
func handleFileOpen(g *gocui.Gui, v *gocui.View) error {
return genericFileOpen(g, v, openFile)
}
func handleSublimeFileOpen(g *gocui.Gui, v *gocui.View) error {
return genericFileOpen(g, v, sublimeOpenFile)
}
func handleVsCodeFileOpen(g *gocui.Gui, v *gocui.View) error {
return genericFileOpen(g, v, vsCodeOpenFile)
}
func handleRefreshFiles(g *gocui.Gui, v *gocui.View) error {
return refreshFiles(g)
}
func refreshStateGitFiles() {
// get files to stage
gitFiles := getGitStatusFiles()
state.GitFiles = mergeGitStatusFiles(state.GitFiles, gitFiles)
updateHasMergeConflictStatus()
}
func updateHasMergeConflictStatus() error {
merging, err := isInMergeState()
if err != nil {
return err
}
state.HasMergeConflicts = merging
return nil
}
func renderGitFile(gitFile GitFile, filesView *gocui.View) {
// potentially inefficient to be instantiating these color
// objects with each render
red := color.New(color.FgRed)
green := color.New(color.FgGreen)
if !gitFile.Tracked && !gitFile.HasStagedChanges {
red.Fprintln(filesView, gitFile.DisplayString)
return
}
green.Fprint(filesView, gitFile.DisplayString[0
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