Custom regexp external issues (#17624)

* Implement custom regular expression for external issue tracking.

Signed-off-by: Alexander Beyn <malex@fatelectrons.org>

* Fix syntax/style

* Update repo.go

* Set metas['regexp']

* gofmt

* fix some tests

* fix more tests

* refactor frontend

* use LRU cache for regexp

* Update modules/markup/html_internal_test.go

Co-authored-by: Alexander Beyn <malex@fatelectrons.org>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
Sandro Santilli 2022-06-10 07:39:53 +02:00 committed by GitHub
parent 5f618248a9
commit 52c2e82813
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
13 changed files with 206 additions and 26 deletions

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@ -414,6 +414,9 @@ func (repo *Repository) ComposeMetas() map[string]string {
switch unit.ExternalTrackerConfig().ExternalTrackerStyle {
case markup.IssueNameStyleAlphanumeric:
metas["style"] = markup.IssueNameStyleAlphanumeric
case markup.IssueNameStyleRegexp:
metas["style"] = markup.IssueNameStyleRegexp
metas["regexp"] = unit.ExternalTrackerConfig().ExternalTrackerRegexpPattern
default:
metas["style"] = markup.IssueNameStyleNumeric
}

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@ -76,9 +76,10 @@ func (cfg *ExternalWikiConfig) ToDB() ([]byte, error) {
// ExternalTrackerConfig describes external tracker config
type ExternalTrackerConfig struct {
ExternalTrackerURL string
ExternalTrackerFormat string
ExternalTrackerStyle string
ExternalTrackerURL string
ExternalTrackerFormat string
ExternalTrackerStyle string
ExternalTrackerRegexpPattern string
}
// FromDB fills up a ExternalTrackerConfig from serialized format.

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@ -74,6 +74,9 @@ func TestMetas(t *testing.T) {
externalTracker.ExternalTrackerConfig().ExternalTrackerStyle = markup.IssueNameStyleNumeric
testSuccess(markup.IssueNameStyleNumeric)
externalTracker.ExternalTrackerConfig().ExternalTrackerStyle = markup.IssueNameStyleRegexp
testSuccess(markup.IssueNameStyleRegexp)
repo, err := repo_model.GetRepositoryByID(3)
assert.NoError(t, err)

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@ -20,6 +20,7 @@ import (
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup/common"
"code.gitea.io/gitea/modules/references"
"code.gitea.io/gitea/modules/regexplru"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/templates/vars"
"code.gitea.io/gitea/modules/util"
@ -33,6 +34,7 @@ import (
const (
IssueNameStyleNumeric = "numeric"
IssueNameStyleAlphanumeric = "alphanumeric"
IssueNameStyleRegexp = "regexp"
)
var (
@ -815,19 +817,35 @@ func issueIndexPatternProcessor(ctx *RenderContext, node *html.Node) {
)
next := node.NextSibling
for node != nil && node != next {
_, exttrack := ctx.Metas["format"]
alphanum := ctx.Metas["style"] == IssueNameStyleAlphanumeric
_, hasExtTrackFormat := ctx.Metas["format"]
// Repos with external issue trackers might still need to reference local PRs
// We need to concern with the first one that shows up in the text, whichever it is
found, ref = references.FindRenderizableReferenceNumeric(node.Data, exttrack && alphanum)
if exttrack && alphanum {
if found2, ref2 := references.FindRenderizableReferenceAlphanumeric(node.Data); found2 {
if !found || ref2.RefLocation.Start < ref.RefLocation.Start {
found = true
ref = ref2
}
isNumericStyle := ctx.Metas["style"] == "" || ctx.Metas["style"] == IssueNameStyleNumeric
foundNumeric, refNumeric := references.FindRenderizableReferenceNumeric(node.Data, hasExtTrackFormat && !isNumericStyle)
switch ctx.Metas["style"] {
case "", IssueNameStyleNumeric:
found, ref = foundNumeric, refNumeric
case IssueNameStyleAlphanumeric:
found, ref = references.FindRenderizableReferenceAlphanumeric(node.Data)
case IssueNameStyleRegexp:
pattern, err := regexplru.GetCompiled(ctx.Metas["regexp"])
if err != nil {
return
}
found, ref = references.FindRenderizableReferenceRegexp(node.Data, pattern)
}
// Repos with external issue trackers might still need to reference local PRs
// We need to concern with the first one that shows up in the text, whichever it is
if hasExtTrackFormat && !isNumericStyle {
// If numeric (PR) was found, and it was BEFORE the non-numeric pattern, use that
if foundNumeric && refNumeric.RefLocation.Start < ref.RefLocation.Start {
found = foundNumeric
ref = refNumeric
}
}
if !found {
@ -836,7 +854,7 @@ func issueIndexPatternProcessor(ctx *RenderContext, node *html.Node) {
var link *html.Node
reftext := node.Data[ref.RefLocation.Start:ref.RefLocation.End]
if exttrack && !ref.IsPull {
if hasExtTrackFormat && !ref.IsPull {
ctx.Metas["index"] = ref.Issue
res, err := vars.Expand(ctx.Metas["format"], ctx.Metas)
@ -869,7 +887,7 @@ func issueIndexPatternProcessor(ctx *RenderContext, node *html.Node) {
// Decorate action keywords if actionable
var keyword *html.Node
if references.IsXrefActionable(ref, exttrack, alphanum) {
if references.IsXrefActionable(ref, hasExtTrackFormat) {
keyword = createKeyword(node.Data[ref.ActionLocation.Start:ref.ActionLocation.End])
} else {
keyword = &html.Node{

View File

@ -21,8 +21,8 @@ const (
TestRepoURL = TestAppURL + TestOrgRepo + "/"
)
// alphanumLink an HTML link to an alphanumeric-style issue
func alphanumIssueLink(baseURL, class, name string) string {
// externalIssueLink an HTML link to an alphanumeric-style issue
func externalIssueLink(baseURL, class, name string) string {
return link(util.URLJoin(baseURL, name), class, name)
}
@ -54,6 +54,13 @@ var alphanumericMetas = map[string]string{
"style": IssueNameStyleAlphanumeric,
}
var regexpMetas = map[string]string{
"format": "https://someurl.com/{user}/{repo}/{index}",
"user": "someUser",
"repo": "someRepo",
"style": IssueNameStyleRegexp,
}
// these values should match the TestOrgRepo const above
var localMetas = map[string]string{
"user": "gogits",
@ -184,7 +191,7 @@ func TestRender_IssueIndexPattern4(t *testing.T) {
test := func(s, expectedFmt string, names ...string) {
links := make([]interface{}, len(names))
for i, name := range names {
links[i] = alphanumIssueLink("https://someurl.com/someUser/someRepo/", "ref-issue ref-external-issue", name)
links[i] = externalIssueLink("https://someurl.com/someUser/someRepo/", "ref-issue ref-external-issue", name)
}
expected := fmt.Sprintf(expectedFmt, links...)
testRenderIssueIndexPattern(t, s, expected, &RenderContext{Metas: alphanumericMetas})
@ -194,6 +201,43 @@ func TestRender_IssueIndexPattern4(t *testing.T) {
test("test issue ABCDEFGHIJ-1234567890", "test issue %s", "ABCDEFGHIJ-1234567890")
}
func TestRender_IssueIndexPattern5(t *testing.T) {
setting.AppURL = TestAppURL
// regexp: render inputs without valid mentions
test := func(s, expectedFmt, pattern string, ids, names []string) {
metas := regexpMetas
metas["regexp"] = pattern
links := make([]interface{}, len(ids))
for i, id := range ids {
links[i] = link(util.URLJoin("https://someurl.com/someUser/someRepo/", id), "ref-issue ref-external-issue", names[i])
}
expected := fmt.Sprintf(expectedFmt, links...)
testRenderIssueIndexPattern(t, s, expected, &RenderContext{Metas: metas})
}
test("abc ISSUE-123 def", "abc %s def",
"ISSUE-(\\d+)",
[]string{"123"},
[]string{"ISSUE-123"},
)
test("abc (ISSUE 123) def", "abc %s def",
"\\(ISSUE (\\d+)\\)",
[]string{"123"},
[]string{"(ISSUE 123)"},
)
test("abc ISSUE-123 def", "abc %s def",
"(ISSUE-(\\d+))",
[]string{"ISSUE-123"},
[]string{"ISSUE-123"},
)
testRenderIssueIndexPattern(t, "will not match", "will not match", &RenderContext{Metas: regexpMetas})
}
func testRenderIssueIndexPattern(t *testing.T, input, expected string, ctx *RenderContext) {
if ctx.URLPrefix == "" {
ctx.URLPrefix = TestAppURL
@ -202,7 +246,7 @@ func testRenderIssueIndexPattern(t *testing.T, input, expected string, ctx *Rend
var buf strings.Builder
err := postProcess(ctx, []processor{issueIndexPatternProcessor}, strings.NewReader(input), &buf)
assert.NoError(t, err)
assert.Equal(t, expected, buf.String())
assert.Equal(t, expected, buf.String(), "input=%q", input)
}
func TestRender_AutoLink(t *testing.T) {

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@ -351,6 +351,24 @@ func FindRenderizableReferenceNumeric(content string, prOnly bool) (bool, *Rende
}
}
// FindRenderizableReferenceRegexp returns the first regexp unvalidated references found in a string.
func FindRenderizableReferenceRegexp(content string, pattern *regexp.Regexp) (bool, *RenderizableReference) {
match := pattern.FindStringSubmatchIndex(content)
if len(match) < 4 {
return false, nil
}
action, location := findActionKeywords([]byte(content), match[2])
return true, &RenderizableReference{
Issue: content[match[2]:match[3]],
RefLocation: &RefSpan{Start: match[0], End: match[1]},
Action: action,
ActionLocation: location,
IsPull: false,
}
}
// FindRenderizableReferenceAlphanumeric returns the first alphanumeric unvalidated references found in a string.
func FindRenderizableReferenceAlphanumeric(content string) (bool, *RenderizableReference) {
match := issueAlphanumericPattern.FindStringSubmatchIndex(content)
@ -547,7 +565,7 @@ func findActionKeywords(content []byte, start int) (XRefAction, *RefSpan) {
}
// IsXrefActionable returns true if the xref action is actionable (i.e. produces a result when resolved)
func IsXrefActionable(ref *RenderizableReference, extTracker, alphaNum bool) bool {
func IsXrefActionable(ref *RenderizableReference, extTracker bool) bool {
if extTracker {
// External issues cannot be automatically closed
return false

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@ -0,0 +1,45 @@
// Copyright 2022 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 regexplru
import (
"regexp"
"code.gitea.io/gitea/modules/log"
lru "github.com/hashicorp/golang-lru"
)
var lruCache *lru.Cache
func init() {
var err error
lruCache, err = lru.New(1000)
if err != nil {
log.Fatal("failed to new LRU cache, err: %v", err)
}
}
// GetCompiled works like regexp.Compile, the compiled expr or error is stored in LRU cache
func GetCompiled(expr string) (r *regexp.Regexp, err error) {
v, ok := lruCache.Get(expr)
if !ok {
r, err = regexp.Compile(expr)
if err != nil {
lruCache.Add(expr, err)
return nil, err
}
lruCache.Add(expr, r)
} else {
r, ok = v.(*regexp.Regexp)
if !ok {
if err, ok = v.(error); ok {
return nil, err
}
panic("impossible")
}
}
return r, nil
}

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@ -0,0 +1,27 @@
// Copyright 2022 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 regexplru
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestRegexpLru(t *testing.T) {
r, err := GetCompiled("a")
assert.NoError(t, err)
assert.True(t, r.MatchString("a"))
r, err = GetCompiled("a")
assert.NoError(t, err)
assert.True(t, r.MatchString("a"))
assert.EqualValues(t, 1, lruCache.Len())
_, err = GetCompiled("(")
assert.Error(t, err)
assert.EqualValues(t, 2, lruCache.Len())
}

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@ -1811,6 +1811,9 @@ settings.tracker_url_format_error = The external issue tracker URL format is not
settings.tracker_issue_style = External Issue Tracker Number Format
settings.tracker_issue_style.numeric = Numeric
settings.tracker_issue_style.alphanumeric = Alphanumeric
settings.tracker_issue_style.regexp = Regular Expression
settings.tracker_issue_style.regexp_pattern = Regular Expression Pattern
settings.tracker_issue_style.regexp_pattern_desc = The first captured group will be used in place of <code>{index}</code>.
settings.tracker_url_format_desc = Use the placeholders <code>{user}</code>, <code>{repo}</code> and <code>{index}</code> for the username, repository name and issue index.
settings.enable_timetracker = Enable Time Tracking
settings.allow_only_contributors_to_track_time = Let Only Contributors Track Time

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@ -434,9 +434,10 @@ func SettingsPost(ctx *context.Context) {
RepoID: repo.ID,
Type: unit_model.TypeExternalTracker,
Config: &repo_model.ExternalTrackerConfig{
ExternalTrackerURL: form.ExternalTrackerURL,
ExternalTrackerFormat: form.TrackerURLFormat,
ExternalTrackerStyle: form.TrackerIssueStyle,
ExternalTrackerURL: form.ExternalTrackerURL,
ExternalTrackerFormat: form.TrackerURLFormat,
ExternalTrackerStyle: form.TrackerIssueStyle,
ExternalTrackerRegexpPattern: form.ExternalTrackerRegexpPattern,
},
})
deleteUnitTypes = append(deleteUnitTypes, unit_model.TypeIssues)

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@ -141,6 +141,7 @@ type RepoSettingForm struct {
ExternalTrackerURL string
TrackerURLFormat string
TrackerIssueStyle string
ExternalTrackerRegexpPattern string
EnableCloseIssuesViaCommitInAnyBranch bool
EnableProjects bool
EnablePackages bool

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@ -361,16 +361,27 @@
<div class="ui radio checkbox">
{{$externalTracker := (.Repository.MustGetUnit $.UnitTypeExternalTracker)}}
{{$externalTrackerStyle := $externalTracker.ExternalTrackerConfig.ExternalTrackerStyle}}
<input class="hidden" tabindex="0" name="tracker_issue_style" type="radio" value="numeric" {{if $externalTrackerStyle}}{{if eq $externalTrackerStyle "numeric"}}checked=""{{end}}{{end}}/>
<label>{{.i18n.Tr "repo.settings.tracker_issue_style.numeric"}} <span class="ui light grey text">(#1234)</span></label>
<input class="js-tracker-issue-style" name="tracker_issue_style" type="radio" value="numeric" {{if eq $externalTrackerStyle "numeric"}}checked{{end}}>
<label>{{.i18n.Tr "repo.settings.tracker_issue_style.numeric"}} <span class="ui light grey text">#1234</span></label>
</div>
</div>
<div class="field">
<div class="ui radio checkbox">
<input class="hidden" tabindex="0" name="tracker_issue_style" type="radio" value="alphanumeric" {{if $externalTrackerStyle}}{{if eq $externalTracker.ExternalTrackerConfig.ExternalTrackerStyle "alphanumeric"}}checked=""{{end}}{{end}} />
<label>{{.i18n.Tr "repo.settings.tracker_issue_style.alphanumeric"}} <span class="ui light grey text">(ABC-123, DEFG-234)</span></label>
<input class="js-tracker-issue-style" name="tracker_issue_style" type="radio" value="alphanumeric" {{if eq $externalTrackerStyle "alphanumeric"}}checked{{end}}>
<label>{{.i18n.Tr "repo.settings.tracker_issue_style.alphanumeric"}} <span class="ui light grey text">ABC-123 , DEFG-234</span></label>
</div>
</div>
<div class="field">
<div class="ui radio checkbox">
<input class="js-tracker-issue-style" name="tracker_issue_style" type="radio" value="regexp" {{if eq $externalTrackerStyle "regexp"}}checked{{end}}>
<label>{{.i18n.Tr "repo.settings.tracker_issue_style.regexp"}} <span class="ui light grey text">(ISSUE-\d+) , ISSUE-(\d+)</span></label>
</div>
</div>
</div>
<div class="field {{if ne $externalTrackerStyle "regexp"}}disabled{{end}}" id="tracker-issue-style-regex-box">
<label for="external_tracker_regexp_pattern">{{.i18n.Tr "repo.settings.tracker_issue_style.regexp_pattern"}}</label>
<input id="external_tracker_regexp_pattern" name="external_tracker_regexp_pattern" value="{{(.Repository.MustGetUnit $.UnitTypeExternalTracker).ExternalTrackerConfig.ExternalTrackerRegexpPattern}}">
<p class="help">{{.i18n.Tr "repo.settings.tracker_issue_style.regexp_pattern_desc" | Str2html}}</p>
</div>
</div>
</div>

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@ -462,6 +462,11 @@ export function initRepository() {
if (typeof $(this).data('context') !== 'undefined') $($(this).data('context')).addClass('disabled');
}
});
const $trackerIssueStyleRadios = $('.js-tracker-issue-style');
$trackerIssueStyleRadios.on('change input', () => {
const checkedVal = $trackerIssueStyleRadios.filter(':checked').val();
$('#tracker-issue-style-regex-box').toggleClass('disabled', checkedVal !== 'regexp');
});
}
// Labels