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mirror of https://github.com/jesseduffield/lazygit.git synced 2024-11-26 09:00:57 +02:00
lazygit/branches_panel.go
2018-07-21 15:51:18 +10:00

116 lines
3.2 KiB
Go

package main
import (
"fmt"
"github.com/jesseduffield/gocui"
)
func handleBranchPress(g *gocui.Gui, v *gocui.View) error {
index := getItemPosition(v)
if index == 0 {
return createErrorPanel(g, "You have already checked out this branch")
}
branch := getSelectedBranch(v)
if output, err := gitCheckout(branch.Name, false); err != nil {
createErrorPanel(g, output)
}
return refreshSidePanels(g)
}
func handleForceCheckout(g *gocui.Gui, v *gocui.View) error {
branch := getSelectedBranch(v)
return createConfirmationPanel(g, v, "Force Checkout Branch", "Are you sure you want force checkout? You will lose all local changes (y/n)", func(g *gocui.Gui, v *gocui.View) error {
if output, err := gitCheckout(branch.Name, true); err != nil {
createErrorPanel(g, output)
}
return refreshSidePanels(g)
}, nil)
}
func handleCheckoutByName(g *gocui.Gui, v *gocui.View) error {
createPromptPanel(g, v, "Branch Name:", func(g *gocui.Gui, v *gocui.View) error {
if output, err := gitCheckout(trimmedContent(v), false); err != nil {
return createErrorPanel(g, output)
}
return refreshSidePanels(g)
})
return nil
}
func handleNewBranch(g *gocui.Gui, v *gocui.View) error {
branch := state.Branches[0]
createPromptPanel(g, v, "New Branch Name (Branch is off of "+branch.Name+")", func(g *gocui.Gui, v *gocui.View) error {
if output, err := gitNewBranch(trimmedContent(v)); err != nil {
return createErrorPanel(g, output)
}
refreshSidePanels(g)
return handleBranchSelect(g, v)
})
return nil
}
func handleMerge(g *gocui.Gui, v *gocui.View) error {
checkedOutBranch := state.Branches[0]
selectedBranch := getSelectedBranch(v)
defer refreshSidePanels(g)
if checkedOutBranch.Name == selectedBranch.Name {
return createErrorPanel(g, "You cannot merge a branch into itself")
}
if output, err := gitMerge(selectedBranch.Name); err != nil {
return createErrorPanel(g, output)
}
return nil
}
func getSelectedBranch(v *gocui.View) Branch {
lineNumber := getItemPosition(v)
return state.Branches[lineNumber]
}
func renderBranchesOptions(g *gocui.Gui) error {
return renderOptionsMap(g, map[string]string{
"space": "checkout",
"f": "force checkout",
"m": "merge",
"c": "checkout by name",
"n": "new branch",
})
}
// may want to standardise how these select methods work
func handleBranchSelect(g *gocui.Gui, v *gocui.View) error {
if err := renderBranchesOptions(g); err != nil {
return err
}
// This really shouldn't happen: there should always be a master branch
if len(state.Branches) == 0 {
return renderString(g, "main", "No branches for this repo")
}
go func() {
branch := getSelectedBranch(v)
diff, _ := getBranchDiff(branch.Name, branch.BaseBranch)
renderString(g, "main", diff)
}()
return nil
}
// refreshStatus is called at the end of this because that's when we can
// be sure there is a state.Branches array to pick the current branch from
func refreshBranches(g *gocui.Gui) error {
g.Update(func(g *gocui.Gui) error {
v, err := g.View("branches")
if err != nil {
panic(err)
}
state.Branches = getGitBranches()
v.Clear()
for _, branch := range state.Branches {
fmt.Fprintln(v, branch.DisplayString)
}
resetOrigin(v)
return refreshStatus(g)
})
return nil
}