From 86ed61c6944991e93d2d4cafbe53a9471f8f1dee Mon Sep 17 00:00:00 2001
From: Chevdor <chevdor@users.noreply.github.com>
Date: Fri, 15 Oct 2021 17:42:21 +0200
Subject: [PATCH] Add script to generate simple changelogs (#668)

---
 scripts/changelog/.gitignore   |  1 +
 scripts/changelog/README.md    | 13 +++++++++++++
 scripts/changelog/changelog.sh | 11 +++++++++++
 3 files changed, 25 insertions(+)
 create mode 100644 scripts/changelog/.gitignore
 create mode 100644 scripts/changelog/README.md
 create mode 100755 scripts/changelog/changelog.sh

diff --git a/scripts/changelog/.gitignore b/scripts/changelog/.gitignore
new file mode 100644
index 0000000000..1a13c36382
--- /dev/null
+++ b/scripts/changelog/.gitignore
@@ -0,0 +1 @@
+changelog.md
diff --git a/scripts/changelog/README.md b/scripts/changelog/README.md
new file mode 100644
index 0000000000..318e3a32e2
--- /dev/null
+++ b/scripts/changelog/README.md
@@ -0,0 +1,13 @@
+# Changelog
+
+Currently, the changelog is built locally.
+Run:
+
+```
+./changelog.sh <ref_since>
+```
+
+For instance:
+```
+./changelog.sh statemine_v4
+```
diff --git a/scripts/changelog/changelog.sh b/scripts/changelog/changelog.sh
new file mode 100755
index 0000000000..cf04e21c1f
--- /dev/null
+++ b/scripts/changelog/changelog.sh
@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+REF1=$1
+
+JSON=$(git log $REF1..HEAD \
+    --pretty=format:'{ "commit": "%H", "short_sha": "%h", "author": "%an", "date": "%ad", "message": "%s"},' \
+    $@ | \
+    perl -pe 'BEGIN{print "{ \"since\": \"'${REF1}'\",  \"commits\": ["}; END{print "]}"}' | \
+    perl -pe 's/},]/}]/')
+
+echo $JSON | tera --template templates/changelog.md --stdin | tee