summaryrefslogtreecommitdiffstats
path: root/pkg/commands/loading_files.go
blob: ba324499922e68dc55701fe6d301caccbe926bd0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
package commands

import (
	"fmt"
	"strings"

	"github.com/jesseduffield/lazygit/pkg/commands/models"
	"github.com/jesseduffield/lazygit/pkg/utils"
)

const RENAME_SEPARATOR = " -> "

// GetStatusFiles git status files
type GetStatusFileOptions struct {
	NoRenames bool
}

func (c *GitCommand) GetStatusFiles(opts GetStatusFileOptions) []*models.File {
	// check if config wants us ignoring untracked files
	untrackedFilesSetting := c.GetConfigValue("status.showUntrackedFiles")

	if untrackedFilesSetting == "" {
		untrackedFilesSetting = "all"
	}
	untrackedFilesArg := fmt.Sprintf("--untracked-files=%s", untrackedFilesSetting)

	statusOutput, err := c.GitStatus(GitStatusOptions{NoRenames: opts.NoRenames, UntrackedFilesArg: untrackedFilesArg})
	if err != nil {
		c.Log.Error(err)
	}
	statusStrings := utils.SplitLines(statusOutput)
	files := []*models.File{}

	for _, statusString := range statusStrings {
		if strings.HasPrefix(statusString, "warning") {
			c.Log.Warningf("warning when calling git status: %s", statusString)
			continue
		}
		change := statusString[0:2]
		stagedChange := change[0:1]
		unstagedChange := statusString[1:2]
		name := statusString[3:]
		untracked := utils.IncludesString([]string{"??", "A ", "AM"}, change)
		hasNoStagedChanges := utils.IncludesString([]string{" ", "U", "?"}, stagedChange)
		hasMergeConflicts := utils.IncludesString([]string{"DD", "AA", "UU", "AU", "UA", "UD", "DU"}, change)
		hasInlineMergeConflicts := utils.IncludesString([]string{"UU", "AA"}, change)
		previousName := ""
		if strings.Contains(name, RENAME_SEPARATOR) {
			split := strings.Split(name, RENAME_SEPARATOR)
			name = split[1]
			previousName = split[0]
		}

		file := &models.File{
			Name:                    name,
			PreviousName:            previousName,
			DisplayString:           statusString,
			HasStagedChanges:        !hasNoStagedChanges,
			HasUnstagedChanges:      unstagedChange != " ",
			Tracked:                 !untracked,
			Deleted:                 unstagedChange == "D" || stagedChange == "D",
			Added:                   unstagedChange == "A" || untracked,
			HasMergeConflicts:       hasMergeConflicts,
			HasInlineMergeConflicts: hasInlineMergeConflicts,
			Type:                    c.OSCommand.FileType(name),
			ShortStatus:             change,
		}
		files = append(files, file)
	}

	return files
}

// GitStatus returns the plaintext short status of the repo
type GitStatusOptions struct {
	NoRenames         bool
	UntrackedFilesArg string
}

func (c *GitCommand) GitStatus(opts GitStatusOptions) (string, error) {
	noRenamesFlag := ""
	if opts.NoRenames {
		noRenamesFlag = "--no-renames"
	}

	statusLines, err := c.OSCommand.RunCommandWithOutput("git status %s --porcelain -z %s", opts.UntrackedFilesArg, noRenamesFlag)
	if err != nil {
		return "", err
	}

	splitLines := strings.Split(statusLines, "\x00")
	// if a line starts with 'R' then the next line is the original file.
	for i := 0; i < len(splitLines)-1; i++ {
		original := splitLines[i]
		if strings.HasPrefix(original, "R  ") {
			next := splitLines[i+1]
			updated := "R  " + next + RENAME_SEPARATOR + strings.TrimPrefix(original, "R  ")
			splitLines[i] = updated
			splitLines = append(splitLines[0:i+1], splitLines[i+2:]...)
		}
	}

	return strings.Join(splitLines, "\n"), nil
}

// MergeStatusFiles merge status files
func (c *GitCommand) MergeStatusFiles(oldFiles, newFiles []*models.File, selectedFile *models.File) []*models.File {
	if len(oldFiles) == 0 {
		return newFiles
	}

	appendedIndexes := []int{}

	// retain position of files we already could see
	result := []*models.File{}
	for _, oldFile := range oldFiles {
		for newIndex, newFile := range newFiles {
			if utils.IncludesInt(appendedIndexes, newIndex) {
				continue
			}
			// if we just staged B and in doing so created 'A -> B' and we are currently have oldFile: A and newFile: 'A -> B', we want to wait until we come across B so the our cursor isn't jumping anywhere
			waitForMatchingFile := selectedFile != nil && newFile.IsRename() && !selectedFile.IsRename() && newFile.Matches(selectedFile) && !oldFile.Matches(selectedFile)

			if oldFile.Matches(newFile) && !waitForMatchingFile {
				result = append(result, newFile)
				appendedIndexes = append(appendedIndexes, newIndex)
			}
		}
	}

	// append any new files to the end
	for index, newFile := range newFiles {
		if !utils.IncludesInt(appendedIndexes, index) {
			result = append(result, newFile)
		}
	}

	return result
}