From fa7cb563d801d0ffb1ba5c1410011ac0377dd3cf Mon Sep 17 00:00:00 2001
From: Marco Ferrari <ferrari.marco@gmail.com>
Date: Sun, 24 Dec 2023 14:47:34 +0100
Subject: [PATCH] feat: automatically handle ktlint updates (#5049)

---
 .github/dependabot.yml           |  8 ++++++++
 Dockerfile                       |  1 -
 dependencies/ktlint/build.gradle | 12 ++++++++++++
 scripts/install-ktlint.sh        |  6 ++++++
 4 files changed, 26 insertions(+), 1 deletion(-)
 create mode 100644 dependencies/ktlint/build.gradle

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 354984d6..570912e2 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -65,6 +65,14 @@ updates:
       interval: "weekly"
     open-pull-requests-limit: 10
 
+  - package-ecosystem: "gradle"
+    commit-message:
+      prefix: "deps(java)"
+    directory: "/dependencies/ktlint"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 10
+
   # Maintain dev dependencies for docker
   - package-ecosystem: "docker"
     commit-message:
diff --git a/Dockerfile b/Dockerfile
index 5fec4267..c0f42d72 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -252,7 +252,6 @@ RUN /install-clj-kondo.sh && rm -rf /install-clj-kondo.sh
 ##################
 # Install ktlint #
 ##################
-ARG KTLINT_VERSION='0.47.1'
 COPY scripts/install-ktlint.sh /
 RUN --mount=type=secret,id=GITHUB_TOKEN /install-ktlint.sh && rm -rf /install-ktlint.sh
 
diff --git a/dependencies/ktlint/build.gradle b/dependencies/ktlint/build.gradle
new file mode 100644
index 00000000..8718b818
--- /dev/null
+++ b/dependencies/ktlint/build.gradle
@@ -0,0 +1,12 @@
+repositories {
+  mavenLocal()
+  mavenCentral()
+}
+
+// Hold this dependency here so we can get automated updates using DependaBot
+dependencies {
+  implementation 'com.pinterest.ktlint:ktlint-cli:0.47.1'
+}
+
+group 'com.github.super-linter'
+version '1.0.0-SNAPSHOT'
diff --git a/scripts/install-ktlint.sh b/scripts/install-ktlint.sh
index a69d573b..41f3b0bf 100755
--- a/scripts/install-ktlint.sh
+++ b/scripts/install-ktlint.sh
@@ -2,6 +2,12 @@
 
 set -euo pipefail
 
+KTLINT_VERSION="$(
+  set -euo pipefail
+  grep <"ktlint/build.gradle" "ktlint" | awk -F ':' '{print $3}' | tr -d "'"
+)"
+echo "Installing Ktlint: ${KTLINT_VERSION}"
+
 url=$(
   set -euo pipefail
   curl -s \