Setup repo hooks.

3 files changed, 79 insertions, 0 deletions

diff --git a/.githooks/pre-commit b/.githooks/pre-commit
new file mode 100755
index 0000000..5ee533a
--- /dev/null
+++ b/.githooks/pre-commit
@@ -0,0 +1,13 @@
+#!/bin/sh
+#
+# A hook script to verify what is about to be committed.
+# Called by "git commit" with no arguments.
+
+# Redirect output to stderr.
+exec 1>&2
+
+for f in .githooks/pre-commit.*; do
+  n=$(echo "${f}" |sed 's/^.*pre-commit\.//')
+  echo "running ${n} pre-commit"
+  $(${f})
+done
diff --git a/.githooks/pre-commit.shellcheck b/.githooks/pre-commit.shellcheck
new file mode 100755
index 0000000..d8f364e
--- /dev/null
+++ b/.githooks/pre-commit.shellcheck
@@ -0,0 +1,20 @@
+#!/bin/sh
+#
+# Git hook to run ShellCheck.
+#
+# ShellCheck <https://www.shellcheck.net/>
+
+# Treat unset variables as an error when performing parameter expansion.
+set -u
+
+if ! command -v shellcheck >/dev/null; then
+  echo 'unable to locate shellcheck' >&2
+  return 0
+fi
+
+for f in $(git diff --name-only); do
+  case "${f}" in
+    shflags|shflags_test_helpers) shellcheck -s sh "${f}" ;;
+    *.sh) shellcheck "${f}" ;;
+  esac
+done
diff --git a/init_githooks.sh b/init_githooks.sh
new file mode 100755
index 0000000..d5a7f50
--- /dev/null
+++ b/init_githooks.sh
@@ -0,0 +1,46 @@
+#! /bin/sh
+#
+# Initialize the local git hooks this repository.
+# https://git-scm.com/docs/githooks
+
+topLevel=$(git rev-parse --show-toplevel) && cd "${topLevel}"
+hooksDir="${topLevel}/.githooks"
+hooksPath=$(git config core.hooksPath)
+if [ $? -ne 0 ]; then
+	hooksPath="${topLevel}/.git/hooks"
+fi
+
+echo "linking hooks..."
+for hook in \
+  applypatch-msg \
+  pre-applypatch \
+  post-applypatch \
+  pre-commit \
+  pre-merge-commit \
+  prepare-commit-msg \
+  commit-msg \
+  post-commit \
+  pre-rebase \
+  post-checkout \
+  post-merge \
+  pre-push \
+  pre-receive \
+  update \
+  post-receive \
+  post-update \
+  push-to-checkout \
+  pre-auto-gc \
+  post-rewrite \
+  sendemail-validate \
+  fsmonitor-watchman \
+  p4-pre-submit \
+  post-index-change
+do
+	src="${hooksDir}/${hook}"
+  dest="${hooksPath}/${hook}"
+
+	[ -x "${src}" ] || continue
+
+	echo "- ${hook}"
+	ln -sf "${src}" "${dest}"
+done