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Make cross-reference issue links work in markdown documents again (#28682)

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In #26365 issue references were disabled entirely for documents,
intending to match GitHub behavior. However cross-references do appear
to work in documents on GitHub.

This is useful for example to write release notes in a markdown document
and reference issues. While the simpler syntax may create links when not
intended, hopefully the cross-reference syntax is unique enough to avoid
it.
This commit is contained in:
Brecht Van Lommel 2024-01-03 07:01:12 +01:00 committed by GitHub
parent 91aa263225
commit 12c0487e01
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 18 additions and 7 deletions
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11
modules/markup/html.go
View file

@ -852,11 +852,14 @@ func fullIssuePatternProcessor(ctx *RenderContext, node *html.Node) {
}
func issueIndexPatternProcessor(ctx *RenderContext, node *html.Node) {
// FIXME: the use of "mode" is quite dirty and hacky, for example: what is a "document"? how should it be rendered?
// The "mode" approach should be refactored to some other more clear&reliable way.
if ctx.Metas == nil || (ctx.Metas["mode"] == "document" && !ctx.IsWiki) {
if ctx.Metas == nil {
return
}
// FIXME: the use of "mode" is quite dirty and hacky, for example: what is a "document"? how should it be rendered?
// The "mode" approach should be refactored to some other more clear&reliable way.
crossLinkOnly := (ctx.Metas["mode"] == "document" && !ctx.IsWiki)
var (
found bool
ref *references.RenderizableReference
@ -870,7 +873,7 @@ func issueIndexPatternProcessor(ctx *RenderContext, node *html.Node) {
// 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
isNumericStyle := ctx.Metas["style"] == "" || ctx.Metas["style"] == IssueNameStyleNumeric
foundNumeric, refNumeric := references.FindRenderizableReferenceNumeric(node.Data, hasExtTrackFormat && !isNumericStyle)
foundNumeric, refNumeric := references.FindRenderizableReferenceNumeric(node.Data, hasExtTrackFormat && !isNumericStyle, crossLinkOnly)
switch ctx.Metas["style"] {
case "", IssueNameStyleNumeric:

7
modules/markup/html_test.go
View file

@ -561,11 +561,16 @@ func TestPostProcess_RenderDocument(t *testing.T) {
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(res.String()))
}
// Issue index shouldn't be post processing in an document.
// Issue index shouldn't be post processing in a document.
test(
"#1",
"#1")
// But cross-referenced issue index should work.
test(
"go-gitea/gitea#12345",
`<a href="`+util.URLJoin(markup.TestAppURL, "go-gitea", "gitea", "issues", "12345")+`" class="ref-issue">go-gitea/gitea#12345</a>`)
// Test that other post processing still works.
test(
":gitea:",

7
modules/references/references.go
View file

@ -331,8 +331,11 @@ func FindAllIssueReferences(content string) []IssueReference {
}
// FindRenderizableReferenceNumeric returns the first unvalidated reference found in a string.
func FindRenderizableReferenceNumeric(content string, prOnly bool) (bool, *RenderizableReference) {
match := issueNumericPattern.FindStringSubmatchIndex(content)
func FindRenderizableReferenceNumeric(content string, prOnly, crossLinkOnly bool) (bool, *RenderizableReference) {
var match []int
if !crossLinkOnly {
match = issueNumericPattern.FindStringSubmatchIndex(content)
}
if match == nil {
if match = crossReferenceIssueNumericPattern.FindStringSubmatchIndex(content); match == nil {
return false, nil