From e3a2150b0488d5d7039e6b3691ba7dc3d1d57319 Mon Sep 17 00:00:00 2001
From: Atiqur Rahman <atiqur.rahman@monstar-lab.com>
Date: Mon, 11 Apr 2022 15:40:01 +0600
Subject: [PATCH 1/2] feat: add git pre-commit hooks for detekt

---
 detekt.gradle         | 18 +++++++++++++++---
 scripts/pre-commit.sh |  3 +++
 2 files changed, 18 insertions(+), 3 deletions(-)
 create mode 100755 scripts/pre-commit.sh

diff --git a/detekt.gradle b/detekt.gradle
index a9a42e51..28637e5c 100644
--- a/detekt.gradle
+++ b/detekt.gradle
@@ -1,7 +1,19 @@
 apply plugin: 'io.gitlab.arturbosch.detekt'
 
 detekt {
-  buildUponDefaultConfig = true // preconfigure defaults
-  allRules = false // activate all available (even unstable) rules.
-  config = files("$rootDir/detekt-config.yml") // point to your custom config defining rules to run, overwriting default behavior
+    buildUponDefaultConfig = true // preconfigure defaults
+    allRules = false // activate all available (even unstable) rules.
+    config = files("$rootDir/detekt-config.yml")
+    // point to your custom config defining rules to run, overwriting default behavior
+}
+
+task createDetektPreCommitHook() {
+    def gitHooksDirectory = new File("$project.rootDir/.git/hooks/")
+    if (!gitHooksDirectory.exists()) gitHooksDirectory.mkdirs()
+    new File("$project.rootDir/.git/hooks", "pre-commit").text = """
+    #!/bin/bash
+    echo "Running detekt check"
+    ./scripts/pre-commit.sh
+"""
+    "chmod +x .git/hooks/pre-commit".execute()
 }
diff --git a/scripts/pre-commit.sh b/scripts/pre-commit.sh
new file mode 100755
index 00000000..14d24616
--- /dev/null
+++ b/scripts/pre-commit.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+echo "Running detekt check"
+./gradlew detekt
\ No newline at end of file

From 42fb69cb7d2e80b365eff9e75fd12d40cc06ab8c Mon Sep 17 00:00:00 2001
From: Atiqur Rahman <atiqur.rahman@monstar-lab.com>
Date: Mon, 11 Apr 2022 18:07:55 +0600
Subject: [PATCH 2/2] feat: add conventional-pre-commit hook

---
 detekt.gradle                      | 12 +++++++
 scripts/conventional-pre-commit.sh | 51 ++++++++++++++++++++++++++++++
 scripts/pre-commit.sh              |  2 +-
 3 files changed, 64 insertions(+), 1 deletion(-)
 create mode 100755 scripts/conventional-pre-commit.sh

diff --git a/detekt.gradle b/detekt.gradle
index 28637e5c..d1cd0f06 100644
--- a/detekt.gradle
+++ b/detekt.gradle
@@ -17,3 +17,15 @@ task createDetektPreCommitHook() {
 """
     "chmod +x .git/hooks/pre-commit".execute()
 }
+
+task createConventionalMessagePreCommitHook() {
+    def gitHooksDirectory = new File("$project.rootDir/.git/hooks/")
+    if (!gitHooksDirectory.exists()) gitHooksDirectory.mkdirs()
+    new File("$project.rootDir/.git/hooks", "commit-msg").text = """
+    #!/bin/bash
+    echo "Running Conventional Commit check"
+    commit_message="\$1"
+    ./scripts/conventional-pre-commit.sh "\$commit_message"
+"""
+    "chmod +x .git/hooks/commit-msg".execute()
+}
diff --git a/scripts/conventional-pre-commit.sh b/scripts/conventional-pre-commit.sh
new file mode 100755
index 00000000..f2d39bd1
--- /dev/null
+++ b/scripts/conventional-pre-commit.sh
@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+
+# list of Conventional Commits types
+cc_types=("feat" "fix")
+default_types=("build" "chore" "ci" "docs" "${cc_types[@]}" "perf" "refactor" "revert" "style" "test")
+types=( "${cc_types[@]}" )
+
+if [ $# -eq 1 ]; then
+    types=( "${default_types[@]}" )
+else
+    # assume all args but the last are types
+    while [ $# -gt 1 ]; do
+        types+=( "$1" )
+        shift
+    done
+fi
+
+# the commit message file is the last remaining arg
+msg_file="$1"
+
+# join types with | to form regex ORs
+r_types="($(IFS='|'; echo "${types[*]}"))"
+# optional (scope)
+r_scope="(\([[:alnum:] \/-]+\))?"
+# optional breaking change indicator and colon delimiter
+r_delim='!?:'
+# subject line, body, footer
+r_subject=" [[:alnum:]].+"
+# the full regex pattern
+pattern="^$r_types$r_scope$r_delim$r_subject$"
+
+# Check if commit is conventional commit
+if grep -Eq "$pattern" "$msg_file"; then
+    exit 0
+fi
+
+echo "[Commit message] $( cat "$msg_file" )"
+echo "
+Your commit message does not follow Conventional Commits formatting
+https://www.conventionalcommits.org/
+Conventional Commits start with one of the below types, followed by a colon,
+followed by the commit message:
+    $(IFS=' '; echo "${types[*]}")
+Example commit message adding a feature:
+    feat: implement new API
+Example commit message fixing an issue:
+    fix: remove infinite loop
+Optionally, include a scope in parentheses after the type for more context:
+    fix(account): remove infinite loop
+"
+exit 1
\ No newline at end of file
diff --git a/scripts/pre-commit.sh b/scripts/pre-commit.sh
index 14d24616..5f57afec 100755
--- a/scripts/pre-commit.sh
+++ b/scripts/pre-commit.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 echo "Running detekt check"
-./gradlew detekt
\ No newline at end of file
+./gradlew detekt