forgejo/modules/gitgraph/graph.go

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// Copyright 2016 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package gitgraph
import (
"bufio"
"bytes"
"context"
"fmt"
"os"
"strings"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/setting"
)
// GetCommitGraph return a list of commit (GraphItems) from all branches
func GetCommitGraph(r *git.Repository, page, maxAllowedColors int, hidePRRefs bool, branches, files []string) (*Graph, error) {
Multiple GitGraph improvements: Exclude PR heads, Add branch/PR links, Show only certain branches, (#12766) * Multiple GitGraph improvements. Add backend support for excluding PRs, selecting branches and files. Fix #10327 Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * Only show refs in dropdown we display on the graph Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * use flexbox for ui header Signed-off-by: Andrew Thornton <art27@cantab.net> * Move Hide Pull Request button to the dropdown Signed-off-by: Andrew Thornton <art27@cantab.net> * Add SHA and user pictures Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test 2 Signed-off-by: Andrew Thornton <art27@cantab.net> * fixes * async * more tweaks * use tabs in tmpl Signed-off-by: Andrew Thornton <art27@cantab.net> * remove commented thing Signed-off-by: Andrew Thornton <art27@cantab.net> * fix linting Signed-off-by: Andrew Thornton <art27@cantab.net> * Update web_src/js/features/gitgraph.js Co-authored-by: silverwind <me@silverwind.io> * graph tweaks * more tweaks * add title Signed-off-by: Andrew Thornton <art27@cantab.net> * fix loading indicator z-index and position Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Lauris BH <lauris@nix.lv>
2020-11-08 18:21:54 +01:00
format := "DATA:%D|%H|%ad|%h|%s"
if page == 0 {
page = 1
}
graphCmd := git.NewCommand(r.Ctx, "log", "--graph", "--date-order", "--decorate=full")
Multiple GitGraph improvements: Exclude PR heads, Add branch/PR links, Show only certain branches, (#12766) * Multiple GitGraph improvements. Add backend support for excluding PRs, selecting branches and files. Fix #10327 Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * Only show refs in dropdown we display on the graph Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * use flexbox for ui header Signed-off-by: Andrew Thornton <art27@cantab.net> * Move Hide Pull Request button to the dropdown Signed-off-by: Andrew Thornton <art27@cantab.net> * Add SHA and user pictures Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test 2 Signed-off-by: Andrew Thornton <art27@cantab.net> * fixes * async * more tweaks * use tabs in tmpl Signed-off-by: Andrew Thornton <art27@cantab.net> * remove commented thing Signed-off-by: Andrew Thornton <art27@cantab.net> * fix linting Signed-off-by: Andrew Thornton <art27@cantab.net> * Update web_src/js/features/gitgraph.js Co-authored-by: silverwind <me@silverwind.io> * graph tweaks * more tweaks * add title Signed-off-by: Andrew Thornton <art27@cantab.net> * fix loading indicator z-index and position Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Lauris BH <lauris@nix.lv>
2020-11-08 18:21:54 +01:00
if hidePRRefs {
graphCmd.AddArguments("--exclude=" + git.PullPrefix + "*")
Multiple GitGraph improvements: Exclude PR heads, Add branch/PR links, Show only certain branches, (#12766) * Multiple GitGraph improvements. Add backend support for excluding PRs, selecting branches and files. Fix #10327 Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * Only show refs in dropdown we display on the graph Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * use flexbox for ui header Signed-off-by: Andrew Thornton <art27@cantab.net> * Move Hide Pull Request button to the dropdown Signed-off-by: Andrew Thornton <art27@cantab.net> * Add SHA and user pictures Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test 2 Signed-off-by: Andrew Thornton <art27@cantab.net> * fixes * async * more tweaks * use tabs in tmpl Signed-off-by: Andrew Thornton <art27@cantab.net> * remove commented thing Signed-off-by: Andrew Thornton <art27@cantab.net> * fix linting Signed-off-by: Andrew Thornton <art27@cantab.net> * Update web_src/js/features/gitgraph.js Co-authored-by: silverwind <me@silverwind.io> * graph tweaks * more tweaks * add title Signed-off-by: Andrew Thornton <art27@cantab.net> * fix loading indicator z-index and position Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Lauris BH <lauris@nix.lv>
2020-11-08 18:21:54 +01:00
}
if len(branches) == 0 {
graphCmd.AddArguments("--all")
Multiple GitGraph improvements: Exclude PR heads, Add branch/PR links, Show only certain branches, (#12766) * Multiple GitGraph improvements. Add backend support for excluding PRs, selecting branches and files. Fix #10327 Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * Only show refs in dropdown we display on the graph Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * use flexbox for ui header Signed-off-by: Andrew Thornton <art27@cantab.net> * Move Hide Pull Request button to the dropdown Signed-off-by: Andrew Thornton <art27@cantab.net> * Add SHA and user pictures Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test 2 Signed-off-by: Andrew Thornton <art27@cantab.net> * fixes * async * more tweaks * use tabs in tmpl Signed-off-by: Andrew Thornton <art27@cantab.net> * remove commented thing Signed-off-by: Andrew Thornton <art27@cantab.net> * fix linting Signed-off-by: Andrew Thornton <art27@cantab.net> * Update web_src/js/features/gitgraph.js Co-authored-by: silverwind <me@silverwind.io> * graph tweaks * more tweaks * add title Signed-off-by: Andrew Thornton <art27@cantab.net> * fix loading indicator z-index and position Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Lauris BH <lauris@nix.lv>
2020-11-08 18:21:54 +01:00
}
graphCmd.AddArguments(
"-C",
"-M",
git.CmdArg(fmt.Sprintf("-n %d", setting.UI.GraphMaxCommitNum*page)),
"--date=iso",
git.CmdArg(fmt.Sprintf("--pretty=format:%s", format)))
Multiple GitGraph improvements: Exclude PR heads, Add branch/PR links, Show only certain branches, (#12766) * Multiple GitGraph improvements. Add backend support for excluding PRs, selecting branches and files. Fix #10327 Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * Only show refs in dropdown we display on the graph Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * use flexbox for ui header Signed-off-by: Andrew Thornton <art27@cantab.net> * Move Hide Pull Request button to the dropdown Signed-off-by: Andrew Thornton <art27@cantab.net> * Add SHA and user pictures Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test 2 Signed-off-by: Andrew Thornton <art27@cantab.net> * fixes * async * more tweaks * use tabs in tmpl Signed-off-by: Andrew Thornton <art27@cantab.net> * remove commented thing Signed-off-by: Andrew Thornton <art27@cantab.net> * fix linting Signed-off-by: Andrew Thornton <art27@cantab.net> * Update web_src/js/features/gitgraph.js Co-authored-by: silverwind <me@silverwind.io> * graph tweaks * more tweaks * add title Signed-off-by: Andrew Thornton <art27@cantab.net> * fix loading indicator z-index and position Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Lauris BH <lauris@nix.lv>
2020-11-08 18:21:54 +01:00
if len(branches) > 0 {
graphCmd.AddDynamicArguments(branches...)
Multiple GitGraph improvements: Exclude PR heads, Add branch/PR links, Show only certain branches, (#12766) * Multiple GitGraph improvements. Add backend support for excluding PRs, selecting branches and files. Fix #10327 Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * Only show refs in dropdown we display on the graph Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * use flexbox for ui header Signed-off-by: Andrew Thornton <art27@cantab.net> * Move Hide Pull Request button to the dropdown Signed-off-by: Andrew Thornton <art27@cantab.net> * Add SHA and user pictures Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test 2 Signed-off-by: Andrew Thornton <art27@cantab.net> * fixes * async * more tweaks * use tabs in tmpl Signed-off-by: Andrew Thornton <art27@cantab.net> * remove commented thing Signed-off-by: Andrew Thornton <art27@cantab.net> * fix linting Signed-off-by: Andrew Thornton <art27@cantab.net> * Update web_src/js/features/gitgraph.js Co-authored-by: silverwind <me@silverwind.io> * graph tweaks * more tweaks * add title Signed-off-by: Andrew Thornton <art27@cantab.net> * fix loading indicator z-index and position Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Lauris BH <lauris@nix.lv>
2020-11-08 18:21:54 +01:00
}
if len(files) > 0 {
graphCmd.AddDashesAndList(files...)
Multiple GitGraph improvements: Exclude PR heads, Add branch/PR links, Show only certain branches, (#12766) * Multiple GitGraph improvements. Add backend support for excluding PRs, selecting branches and files. Fix #10327 Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * Only show refs in dropdown we display on the graph Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @silverwind Signed-off-by: Andrew Thornton <art27@cantab.net> * use flexbox for ui header Signed-off-by: Andrew Thornton <art27@cantab.net> * Move Hide Pull Request button to the dropdown Signed-off-by: Andrew Thornton <art27@cantab.net> * Add SHA and user pictures Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test 2 Signed-off-by: Andrew Thornton <art27@cantab.net> * fixes * async * more tweaks * use tabs in tmpl Signed-off-by: Andrew Thornton <art27@cantab.net> * remove commented thing Signed-off-by: Andrew Thornton <art27@cantab.net> * fix linting Signed-off-by: Andrew Thornton <art27@cantab.net> * Update web_src/js/features/gitgraph.js Co-authored-by: silverwind <me@silverwind.io> * graph tweaks * more tweaks * add title Signed-off-by: Andrew Thornton <art27@cantab.net> * fix loading indicator z-index and position Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Lauris BH <lauris@nix.lv>
2020-11-08 18:21:54 +01:00
}
graph := NewGraph()
stderr := new(strings.Builder)
stdoutReader, stdoutWriter, err := os.Pipe()
if err != nil {
return nil, err
}
commitsToSkip := setting.UI.GraphMaxCommitNum * (page - 1)
scanner := bufio.NewScanner(stdoutReader)
if err := graphCmd.Run(&git.RunOpts{
Dir: r.Path,
Stdout: stdoutWriter,
Stderr: stderr,
PipelineFunc: func(ctx context.Context, cancel context.CancelFunc) error {
_ = stdoutWriter.Close()
defer stdoutReader.Close()
parser := &Parser{}
parser.firstInUse = -1
parser.maxAllowedColors = maxAllowedColors
if maxAllowedColors > 0 {
parser.availableColors = make([]int, maxAllowedColors)
for i := range parser.availableColors {
parser.availableColors[i] = i + 1
}
} else {
parser.availableColors = []int{1, 2}
}
for commitsToSkip > 0 && scanner.Scan() {
line := scanner.Bytes()
dataIdx := bytes.Index(line, []byte("DATA:"))
if dataIdx < 0 {
dataIdx = len(line)
}
starIdx := bytes.IndexByte(line, '*')
if starIdx >= 0 && starIdx < dataIdx {
commitsToSkip--
}
parser.ParseGlyphs(line[:dataIdx])
}
row := 0
// Skip initial non-commit lines
for scanner.Scan() {
line := scanner.Bytes()
if bytes.IndexByte(line, '*') >= 0 {
if err := parser.AddLineToGraph(graph, row, line); err != nil {
cancel()
return err
}
break
}
parser.ParseGlyphs(line)
}
for scanner.Scan() {
row++
line := scanner.Bytes()
if err := parser.AddLineToGraph(graph, row, line); err != nil {
cancel()
return err
}
}
return scanner.Err()
},
}); err != nil {
return graph, err
}
return graph, nil
}