From 87e100e61f53efeb307c70af01d6d304b6ea4f1c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Erik=20Pedersen?=
 <bjorn.erik.pedersen@gmail.com>
Date: Fri, 15 Aug 2025 13:10:27 +0200
Subject: [PATCH] Fix rebuild when deleting a content adapter file

---
 hugolib/hugo_sites_build.go                   |  6 ++-
 hugolib/pages_capture.go                      |  4 ++
 .../pagesfromgotmpl_integration_test.go       | 39 +++++++++++++++++++
 3 files changed, 47 insertions(+), 2 deletions(-)

diff --git a/hugolib/hugo_sites_build.go b/hugolib/hugo_sites_build.go
index ce8ddd143..bad55a210 100644
--- a/hugolib/hugo_sites_build.go
+++ b/hugolib/hugo_sites_build.go
@@ -921,12 +921,14 @@ func (h *HugoSites) processPartialFileEvents(ctx context.Context, l logg.LevelLo
 						if err == nil {
 							f.Close()
 						}
+
 						if err != nil {
 							// Remove all pages and resources below.
-							prefix := pathInfo.Base() + "/"
+							prefix := paths.AddTrailingSlash(pathInfo.Base())
+
 							h.pageTrees.treePages.DeletePrefixAll(prefix)
 							h.pageTrees.resourceTrees.DeletePrefixAll(prefix)
-							changes = append(changes, identity.NewGlobIdentity(prefix+"*"))
+							changes = append(changes, identity.NewGlobIdentity(prefix+"**"))
 						}
 						return err != nil
 					})
diff --git a/hugolib/pages_capture.go b/hugolib/pages_capture.go
index 50900e585..37ed3c89c 100644
--- a/hugolib/pages_capture.go
+++ b/hugolib/pages_capture.go
@@ -192,6 +192,10 @@ func (c *pagesCollector) Collect() (collectErr error) {
 							return strings.HasPrefix(fim.Meta().PathInfo.Path(), paths.AddTrailingSlash(id.p.Path()))
 						}
 
+						if id.p.IsContentData() {
+							return strings.HasPrefix(fim.Meta().PathInfo.Path(), paths.AddTrailingSlash(id.p.Dir()))
+						}
+
 						return id.p.Dir() == fim.Meta().PathInfo.Dir()
 					}
 
diff --git a/hugolib/pagesfromdata/pagesfromgotmpl_integration_test.go b/hugolib/pagesfromdata/pagesfromgotmpl_integration_test.go
index ffd0c5f5b..ae8b072c8 100644
--- a/hugolib/pagesfromdata/pagesfromgotmpl_integration_test.go
+++ b/hugolib/pagesfromdata/pagesfromgotmpl_integration_test.go
@@ -308,6 +308,45 @@ func TestPagesFromGoTmplRemoveGoTmpl(t *testing.T) {
 	b.AssertFileContent("public/docs/index.html", "RegularPagesRecursive: pfile:/docs/pfile|$")
 }
 
+func TestPagesFromGoTmplEditOverlappingContentFile(t *testing.T) {
+	t.Parallel()
+	files := `
+-- hugo.toml --
+disableLiveReload = true
+disableKinds = ["taxonomy", "term", "rss", "sitemap"]
+-- layouts/all.html --
+All: {{ .Content }}|{{ .Title }}|
+-- layouts/section.html --
+Title: {{ .Title}}|
+RegularPages: {{ range .RegularPages }}{{ .Title }}:{{ .Path }}|{{ end }}|
+-- content/mysection/_index.md --
+---
+title: "My Section"
+---
+-- content/mysection/p1.md --
+---
+title: "p1 content file"
+---
+Content of p1
+-- content/_content.gotmpl --
+{{ $.AddPage (dict "kind" "page" "path" "mysection/p2" "title" "p2 content adapter") }}
+`
+	b := hugolib.TestRunning(t, files)
+	b.AssertFileContent("public/mysection/index.html", "Title: My Section|", "RegularPages: p1 content file:/mysection/p1|p2 content adapter:/mysection/p2|")
+
+	b.EditFileReplaceAll("content/mysection/p1.md", `"p1 content file"`, `"p1 content file edited"`).Build()
+	b.AssertFileContent("public/mysection/index.html", "RegularPages: p1 content file edited:/mysection/p1|p2 content adapter:/mysection/p2|")
+
+	b.EditFileReplaceAll("content/mysection/_index.md", "My Section", "My Section edited").Build()
+	b.AssertFileContent("public/mysection/index.html", "Title: My Section edited|", "RegularPages: p1 content file edited:/mysection/p1|p2 content adapter:/mysection/p2|")
+
+	b.RemoveFiles("content/mysection/p1.md").Build()
+	b.AssertFileContent("public/mysection/index.html", "Title: My Section edited|\nRegularPages: p2 content adapter:/mysection/p2|")
+
+	b.RemoveFiles("content/_content.gotmpl", "public/mysection/index.html").Build()
+	b.AssertFileContent("public/mysection/index.html", "Title: My Section edited|\nRegularPages: |")
+}
+
 // Issue #13443.
 func TestPagesFromGoRelatedKeywords(t *testing.T) {
 	t.Parallel()