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package models
import (
"fmt"
"github.com/jesseduffield/lazygit/pkg/utils"
"github.com/samber/lo"
"github.com/fsmiamoto/git-todo-parser/todo"
)
// Special commit hash for empty tree object
const EmptyTreeCommitHash = "4b825dc642cb6eb9a060e54bf8d69288fbee4904"
type CommitStatus uint8
const (
StatusNone CommitStatus = iota
StatusUnpushed
StatusPushed
StatusMerged
StatusRebasing
StatusCherryPickingOrReverting
StatusConflicted
StatusReflog
)
const (
// Conveniently for us, the todo package starts the enum at 1, and given
// that it doesn't have a "none" value, we're setting ours to 0
ActionNone todo.TodoCommand = 0
)
type Divergence uint8
// For a divergence log (left/right comparison of two refs) this is set to
// either DivergenceLeft or DivergenceRight for each commit; for normal
// commit views it is always DivergenceNone.
const (
DivergenceNone Divergence = iota
DivergenceLeft
DivergenceRight
)
// Commit : A git commit
type Commit struct {
hash *string
Name string
Tags []string
ExtraInfo string // something like 'HEAD -> master, tag: v0.15.2'
AuthorName string // something like 'Jesse Duffield'
AuthorEmail string // something like 'jessedduffield@gmail.com'
UnixTimestamp int64
// Hashes of parent commits (will be multiple if it's a merge commit)
parents []*string
Status CommitStatus
Action todo.TodoCommand
Divergence Divergence // set to DivergenceNone unless we are showing the divergence view
}
type NewCommitOpts struct {
Hash string
Name string
Status CommitStatus
Action todo.TodoCommand
Tags []string
ExtraInfo string
AuthorName string
AuthorEmail string
UnixTimestamp int64
Divergence Divergence
Parents []string
}
func NewCommit(hashPool *utils.StringPool, opts NewCommitOpts) *Commit {
return &Commit{
hash: hashPool.Add(opts.Hash),
Name: opts.Name,
Status: opts.Status,
Action: opts.Action,
Tags: opts.Tags,
ExtraInfo: opts.ExtraInfo,
AuthorName: opts.AuthorName,
AuthorEmail: opts.AuthorEmail,
UnixTimestamp: opts.UnixTimestamp,
Divergence: opts.Divergence,
parents: lo.Map(opts.Parents, func(s string, _ int) *string { return hashPool.Add(s) }),
}
}
func (c *Commit) Hash() string {
return *c.hash
}
func (c *Commit) HashPtr() *string {
return c.hash
}
func (c *Commit) ShortHash() string {
return utils.ShortHash(c.Hash())
}
func (c *Commit) FullRefName() string {
return c.Hash()
}
func (c *Commit) RefName() string {
return c.Hash()
}
func (c *Commit) ShortRefName() string {
return c.Hash()[:7]
}
func (c *Commit) ParentRefName() string {
if c.IsFirstCommit() {
return EmptyTreeCommitHash
}
return c.RefName() + "^"
}
func (c *Commit) Parents() []string {
return lo.Map(c.parents, func(s *string, _ int) string { return *s })
}
func (c *Commit) ParentPtrs() []*string {
return c.parents
}
func (c *Commit) IsFirstCommit() bool {
return len(c.parents) == 0
}
func (c *Commit) ID() string {
return c.RefName()
}
func (c *Commit) Description() string {
return fmt.Sprintf("%s %s", c.Hash()[:7], c.Name)
}
func (c *Commit) IsMerge() bool {
return len(c.parents) > 1
}
// returns true if this commit is not actually in the git log but instead
// is from a TODO file for an interactive rebase.
func (c *Commit) IsTODO() bool {
return c.Action != ActionNone
}
func IsHeadCommit(commits []*Commit, index int) bool {
return !commits[index].IsTODO() && (index == 0 || commits[index-1].IsTODO())
}
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