From 830f63641b40152dc42ea4632e8e0c06788cfa11 Mon Sep 17 00:00:00 2001
From: Joe Carstairs <me@joeac.net>
Date: Wed, 17 Jun 2026 09:52:43 +0100
Subject: factors out prune_blog to bin

---
 http/bin/prune_blog | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100755 http/bin/prune_blog

(limited to 'http/bin')

diff --git a/http/bin/prune_blog b/http/bin/prune_blog
new file mode 100755
index 0000000..35f7c3c
--- /dev/null
+++ b/http/bin/prune_blog
@@ -0,0 +1,42 @@
+#!/bin/sh -e
+
+BLOG="$1"
+
+SRC="$(realpath src)"
+BLOGS="$(realpath blogs)"
+LAYOUTS="$(realpath share/layouts)"
+BLOG_DIR_IN_SRC="${SRC}/${BLOG}"
+BLOG_EXT=gmi
+
+for post in $(find "$BLOG_DIR_IN_SRC" -type f)
+do
+  last_segment="${post##*\.}"
+  if [ "$last_segment" = "args" ]
+  then
+    continue
+  fi
+
+  post_rel_path="$(echo "$post" | cut -c${#BLOG_DIR_IN_SRC}- | cut -c3-)"
+  post_basename="${post_rel_path::${#post_rel_path}-${#last_segment}-1}"
+	post_src="${BLOGS}/${BLOG}/${post_basename}.${BLOG_EXT}"
+	if [ -f "$post_src" ]
+	then
+    continue
+	fi
+
+	penultimate_segment="${post::${#post}-${#last_segment}-1}"
+  penultimate_segment="${penultimate_segment##*\.}"
+  post_basename="${post_rel_path::${#post_rel_path}-${#last_segment}-${#penultimate_segment}-2}"
+  if [ -f "${LAYOUTS}/${penultimate_segment}.layout.${last_segment}" ]
+  then
+    post_basename="${post_rel_path::${#post_rel_path}-${#last_segment}-${#penultimate_segment}-2}"
+  	post_src="${BLOGS}/${BLOG}/${post_basename}.${BLOG_EXT}"
+   	if [ -f "$post_src" ]
+   	then
+        continue
+   	fi
+  fi
+
+  echo "No source file found to match post ${post} in blog ${BLOG}: removing ${post}"
+	rm "$out"
+done
-- 
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