From 98712eadc99781315881a8a478ddf28020b849ba Mon Sep 17 00:00:00 2001
From: Hayden Hamilton <hayden@hhvn.uk>
Date: Sat, 13 Jun 2026 09:17:50 +0100
Subject: Breadcrumb links for stagit repos

---
 README                             |  5 +++--
 repo/hooks/post-receive            |  3 +--
 www/generate/breadcrumb            | 24 ++++++++++++----------
 www/generate/src/all               |  9 ++++++++
 www/generate/src/stagit-breadcrumb | 42 ++++++++++++++++++++++++++++++++++++++
 5 files changed, 68 insertions(+), 15 deletions(-)
 create mode 100755 www/generate/src/all
 create mode 100755 www/generate/src/stagit-breadcrumb

diff --git a/README b/README
index eb4aba2..f1d05c4 100644
--- a/README
+++ b/README
@@ -31,8 +31,9 @@ www/chroot:
 
 www/generate/src:
 	These scripts generate content in /var/www/htdocs/src.hhvn.uk
-	- gomod:  generates go.mod glue code
-	- stagit: calls stagit
+	- gomod:             generates go.mod glue code
+	- stagit:            calls stagit
+	- stagit-breadcrumb: rewrites all stagit files to use www/generate/breadcrumb
 
 repo:
 	These scrips manage /var/git
diff --git a/repo/hooks/post-receive b/repo/hooks/post-receive
index e52c668..858ae4e 100755
--- a/repo/hooks/post-receive
+++ b/repo/hooks/post-receive
@@ -1,4 +1,3 @@
 #!/bin/rc
 
-www/generate/src/stagit
-www/generate/src/gomod
+www/generate/src/all
diff --git a/www/generate/breadcrumb b/www/generate/breadcrumb
index 6b9f821..0f7e1f8 100755
--- a/www/generate/breadcrumb
+++ b/www/generate/breadcrumb
@@ -27,18 +27,20 @@ if (! ~ $subdomain ()) {
 
 curi = ''
 for (e in $elems) {
-	# special case for stagit
-	if (~ $subdomain src && ~ $e log.html) {
-		exit 0
-	}
+	if (!~ $e '.') {
+		# special case for stagit
+		if (~ $subdomain src && ~ $e log.html) {
+			exit 0
+		}
 
-	# we're done
-	if (~ $e index.html) {
-		exit 0
-	}
+		# we're done
+		if (~ $e index.html) {
+			exit 0
+		}
 
-	curi = $curi ^ '/' ^ $e
+		curi = $curi ^ '/' ^ $e
 
-	text ' &gt; '
-	plink $curi `$nl{echo $e | sed 's/\.html$//'}
+		text ' &gt; '
+		plink $curi `$nl{echo $e | sed 's/\.html$//'}
+	}
 }
diff --git a/www/generate/src/all b/www/generate/src/all
new file mode 100755
index 0000000..595b3f5
--- /dev/null
+++ b/www/generate/src/all
@@ -0,0 +1,9 @@
+#!/bin/rc
+
+wwwdir = /var/www/htdocs/src.hhvn.uk
+newer  = $wwwdir/.newer
+
+touch $newer
+www/generate/src/stagit
+www/generate/src/stagit-breadcrumb $newer
+www/generate/src/gomod
diff --git a/www/generate/src/stagit-breadcrumb b/www/generate/src/stagit-breadcrumb
new file mode 100755
index 0000000..8dabc2d
--- /dev/null
+++ b/www/generate/src/stagit-breadcrumb
@@ -0,0 +1,42 @@
+#!/bin/rc
+#
+# This script is very slow.
+# Hence the option to use find's -newer.
+# A file can be created before stagit runs,
+# and this script will only modify files created after.
+#
+# stagit will not modify files in the commit/ dir once created
+# It does however recreate everything at HEAD.
+# This isn't ideal.
+#
+# Most of the time taken in this script is most likely NOT cpu time.
+# It may be a good idea to run the main loop portion of this script in parallel.
+
+wwwdir = /var/www/htdocs/src.hhvn.uk
+newer  = $1
+cd $wwwdir
+
+if (!~ $newer ()) {
+	fargs = (-newer $1)
+}
+
+fn breadcrumb {
+	printf %s '<h1>'
+	www/generate/breadcrumb $* | sed 's~&~\\\\\&~g'
+	printf %s '</h1>'
+}
+
+files   = `$nl{find . $fargs -type f -name '*.html'}
+estatus = 0
+for (f in $files) {
+	printf %s 'BREADCRUMB ' ^ $f ^ '... '
+	breadcrumb = `''{breadcrumb $f hhvn.uk src}
+	awk -v breadcrumb=$breadcrumb '{ sub(/<h1>.*<\/h1>/, breadcrumb); sub(/<span class="desc">Repositories<\/span>/, breadcrumb) }1' < $f > $f.awk
+	if (~ $status 0) {
+		echo success
+		mv $f.awk $f
+	} else {
+		rm $f.awk
+		estatus = $status
+	}
+}
-- 
cgit v1.2.3