5 files changed, 87 insertions, 39 deletions
diff --git a/bin/auto-changelog b/bin/auto-changelog
new file mode 100755
index 0000000..dcf33a2
--- /dev/null
+++ b/bin/auto-changelog
@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+set -e
+
+list-files() {
+	git show --pretty="" --name-only HEAD
+}
+
+list-articles() {
+	list-files | grep -E '^src/.*[.](md|org)$' | grep -v -e '/index[.]md$' -e '/ChangeLog[.]md$'
+}	
+
+should-insert() {
+	test -n "$(list-articles)"
+}
+
+generate-entry() {
+	git log -n1 --stat --date='format:%Y-%m-%d' --format=$'## %ad  %an <%ae>\n\n%B' | cat -s
+}
+
+html_escape() {
+	sed -e 's/&/\&amp;/g' -e 's/</\&lt;/g' -e 's/>/\&gt;/g' -e 's/^ \S/   &/'
+}
+
+insert() {
+	{
+		printf '%s\n' \
+		       'ChangeLog' \
+		       '=========' \
+		       ''
+
+		generate-entry | html_escape
+		echo
+		cat src/ChangeLog.md | sed '1,3d'
+	} | bin/write-atomic src/ChangeLog.md
+}
+
+main() {
+	cd "$(dirname -- "$0")/.."
+	if should-insert; then
+		insert
+		git add src/ChangeLog.md
+		git commit -m 'Auto-insert entry to ChangeLog'
+	fi
+}
+
+main "$@"
diff --git a/bin/page.html.erb b/bin/page.html.erb
index 1171705..4ee5473 100644
--- a/bin/page.html.erb
+++ b/bin/page.html.erb
@@ -13,7 +13,7 @@
    <nav>
     <ul>
      <li><a href="/">Projects</a>
-     <li><a href="/blahg/CHANGELOG.html"><abbr title="Blog">Blahg</abbr></a>
+     <li><a href="/ChangeLog.html"><abbr title="Blog">Blahg</abbr></a>
      <li><a href="/Andrew.html">Andrew</a>
      <li>
       <form method="GET" action="/search.html">
diff --git a/bin/post-commit b/bin/post-commit
deleted file mode 100755
index 489181f..0000000
--- a/bin/post-commit
+++ /dev/null
@@ -1,38 +0,0 @@
-#!/usr/bin/env bash
-# Copyright 2016-2017 Luke Shumaker
-set -e
-
-main() {
-	branch=$(git name-rev --name-only HEAD)
-	if [[ $branch == master ]]; then
-		gitdir="$(git rev-parse --git-dir)"
-		workdir="${gitdir}/pre-generated"
-		exec 8>"${workdir}.lock"
-		flock 8
-
-		rm -rf -- "$workdir"
-		git worktree prune
-		git branch -D pre-generated.tmp &>/dev/null || true
-
-		git worktree add -b pre-generated.tmp "${gitdir}/pre-generated" master
-		(
-			unset GIT_DIR GIT_WORK_TREE
-			cd "$workdir"
-			msg="$(git log -n1 master --pretty=format:%B)"
-
-			make -j1
-			echo '!/out/' >> .gitignore
-
-			git add .
-			git commit -m "make: $msg"
-			git merge --no-edit -s ours pre-generated
-			git checkout pre-generated
-			git merge pre-generated.tmp
-			git branch -d pre-generated.tmp
-		)
-		rm -rf -- "$workdir"
-		git worktree prune
-	fi
-}
-
-main &>/dev/tty &
diff --git a/bin/post-commit.githook b/bin/post-commit.githook
new file mode 100755
index 0000000..3f576e6
--- /dev/null
+++ b/bin/post-commit.githook
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -e
+d="$(dirname -- "$0")"
+
+"$d"/auto-changelog
+"$d"/pre-generate &>/dev/tty &
diff --git a/bin/pre-generate b/bin/pre-generate
new file mode 100755
index 0000000..bd1c21e
--- /dev/null
+++ b/bin/pre-generate
@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+# Copyright 2016-2017 Luke Shumaker
+set -e
+
+branch=$(git name-rev --name-only HEAD)
+if [[ $branch == master ]]; then
+	gitdir="$(git rev-parse --git-dir)"
+	workdir="${gitdir}/pre-generated"
+	exec 8>"${workdir}.lock"
+	flock 8
+
+	rm -rf -- "$workdir"
+	git worktree prune
+	git branch -D pre-generated.tmp &>/dev/null || true
+
+	git worktree add -b pre-generated.tmp "${gitdir}/pre-generated" master
+	(
+		unset GIT_DIR GIT_WORK_TREE
+		cd "$workdir"
+		msg="$(git log -n1 master --pretty=format:%B)"
+
+		make -j1
+		echo '!/out/' >> .gitignore
+
+		git add .
+		git commit -m "make: $msg"
+		git merge --no-edit -s ours pre-generated
+		git checkout pre-generated
+		git merge pre-generated.tmp
+		git branch -d pre-generated.tmp
+	)
+	rm -rf -- "$workdir"
+	git worktree prune
+fi