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gitea/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
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>
2020-11-09 01:21:54 +08:00
func GetCommitGraph(r *git.Repository, page int, maxAllowedColors int, hidePRRefs bool, branches, files []string) (*Graph, error) {
format := "DATA:%D|%H|%ad|%h|%s"
if page == 0 {
page = 1
}
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>
2020-11-09 01:21:54 +08:00
args := make([]string, 0, 12+len(branches)+len(files))
args = append(args, "--graph", "--date-order", "--decorate=full")
if hidePRRefs {
args = append(args, "--exclude=refs/pull/*")
}
if len(branches) == 0 {
args = append(args, "--all")
}
args = append(args,
"-C",
"-M",
fmt.Sprintf("-n %d", setting.UI.GraphMaxCommitNum*page),
"--date=iso",
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>
2020-11-09 01:21:54 +08:00
fmt.Sprintf("--pretty=format:%s", format))
if len(branches) > 0 {
args = append(args, branches...)
}
args = append(args, "--")
if len(files) > 0 {
args = append(args, files...)
}
graphCmd := git.NewCommand("log")
graphCmd.AddArguments(args...)
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.RunInDirTimeoutEnvFullPipelineFunc(nil, -1, r.Path, stdoutWriter, stderr, nil, 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
}