From 8053187731ae8e3eb368d8360989cf5fd6eed9f7 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 05:32:49 +0200
Subject: Adding upstream version 0.17.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 git-hooks/pre-commit.sh | 125 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100755 git-hooks/pre-commit.sh

(limited to 'git-hooks/pre-commit.sh')

diff --git a/git-hooks/pre-commit.sh b/git-hooks/pre-commit.sh
new file mode 100755
index 0000000..5cab632
--- /dev/null
+++ b/git-hooks/pre-commit.sh
@@ -0,0 +1,125 @@
+#!/bin/bash
+set -eEu
+
+# Path to clang-format. If it's in your PATH, "clang-format" is fine.
+# If you do not have it (or the version is too old), see USE_DOCKER.
+CLANG_FORMAT="/usr/local/bin/clang-format"
+
+# Set to "yes" if you want to create and use a docker container
+# for clang-format.
+USE_DOCKER="no"
+
+# Set this to "yes" if you typically commit from the command line
+# and wish to be prompted on whether to apply any patches
+# automatically.
+INTERACTIVE="yes"
+
+# Leave this stuff
+STASH_NAME="pre-commit-$(date +%s)"
+CONTAINER_NAME="clang-format-$(date +%s)"
+CLANG_FORMAT_VERSION="11.1.0"
+
+apply_patch() {
+  local patchfile=$1
+  git apply --index "$patchfile"
+  rm -f "$patchfile"
+  exit 0
+}
+
+stash() {
+  git stash save -q --keep-index "$STASH_NAME"
+}
+
+unstash() {
+  if git stash list | head -n 1 | grep -Fq "$STASH_NAME"; then
+    git stash pop -q || true
+  fi
+}
+
+cleanup() {
+  ec=$?
+  unstash
+  if [ $USE_DOCKER == "yes" ]; then
+    docker kill "$CONTAINER_NAME" >/dev/null 2>&1 || true
+  fi
+  if [ $ec -ne 0 ]; then
+    echo Aborted.
+  fi
+  exit $ec
+}
+
+if [ $USE_DOCKER == "yes" ]; then
+  if [ ! "$(docker images clang-format --format '{{.Repository}}')" ]; then
+    echo "Creating docker image for clang-format (one time only)..."
+    docker run --name=clang-format alpine:latest apk --no-cache add clang >/dev/null 2>&1
+    docker commit clang-format clang-format >/dev/null 2>&1
+    docker rm clang-format
+  fi
+  CLANG_FORMAT="docker exec $CONTAINER_NAME clang-format"
+  docker run --rm --name "$CONTAINER_NAME" -t -d -v "$(git rev-parse --show-toplevel)":/src -w /src clang-format tail -f /dev/null >/dev/null 2>&1
+  # alternatively (slower for multiple files)
+  #CLANG_FORMAT="docker run --rm -v $(git rev-parse --show-toplevel):/src -w /src clang-format clang-format"
+fi
+
+if git rev-parse --verify HEAD >/dev/null 2>&1
+then
+	against=HEAD
+else
+	# Initial commit: diff against an empty tree object
+	against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
+fi
+
+exec 1>&2
+
+$CLANG_FORMAT -version | grep -Fq "$CLANG_FORMAT_VERSION" || (echo Incorrect version of clang-format.; exit 1)
+
+patchfile=$(mktemp -t git-clang-format.XXXXXX.patch)
+stash
+trap "cleanup" SIGHUP SIGINT SIGTERM EXIT ERR
+
+git diff-index --cached --diff-filter=ACMR --name-only $against -- | grep "\.[ch]$" | while read -r file;
+do
+  $CLANG_FORMAT -style=file "$file" |     \
+    diff -u "$file" - |                     \
+    sed -e "1s|--- |--- a/|" -e "2s|+++ -|+++ b/$file|" >> "$patchfile"
+
+  # cat is just here to ignore the exit status of diff
+  $CLANG_FORMAT -style=file "$file" | diff -u "$file" - | cat
+done
+unstash
+
+if [ ! -s "$patchfile" ]; then
+  rm -f "$patchfile"
+  exit 0
+fi
+
+echo
+echo Formatting changes requested.
+echo "See $patchfile"
+echo
+
+if ! git apply --index --check "$patchfile"; then
+  echo You may have unstaged changes to files that require formatting updates.
+  echo It is not safe for this script to apply the patch automatically.
+  exit 1
+fi
+
+if [ $INTERACTIVE == "yes" ]; then
+  while true; do
+    exec < /dev/tty
+    read -rp "Apply now (y/n)? " yn
+    exec <&-
+    case $yn in
+      [Yy]* ) apply_patch "$patchfile"; exit 0;;
+      [Nn]* ) break;;
+      * ) echo Please answer yes or no. ;;
+    esac
+  done
+fi
+
+echo
+echo You should manually apply the patch with:
+echo "git apply --index \"$patchfile\""
+echo "Or use another method, and then restage."
+exit 1
+
-- 
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