.github/workflows/stale.yml

@@ -0,0 +1,27 @@
+name: close inactive issues
+on:
+  schedule:
+    - cron: "0 10 * * *"
+
+jobs:
+  close-issues:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+      - uses: actions/stale@v5
+        with:
+          days-before-issue-stale: 30
+          days-before-issue-close: 7
+          stale-issue-label: "stale"
+          stale-issue-message: "This issue has been open for 30 days with no activity and no assignee.  It will be closed in 7 days unless a comment is added."
+          close-issue-message: "This issue was closed because it was inactive for 7 days after being marked stale."
+          days-before-pr-stale: 60
+          days-before-pr-close: 7
+          stale-pr-label: "stale"
+          stale-pr-message: "This PR has been open for 60 days with no activity and no assignee.  It will be closed in 7 days unless a comment is added."
+          close-pr-message: "This PR was closed because it was inactive for 7 days after being marked stale."
+          exempt-all-assignees: true
+          ascending: true
+          repo-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/unit.yml

@@ -0,0 +1,26 @@
+name: build and unit tests
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        cflags: [ "", "-O2", "-O3" ]
+    runs-on: ubuntu-latest
+    env:
+      CFLAGS: ${{ matrix.cflags }}
+    steps:
+    - uses: actions/checkout@v3
+    - name: dependencies
+      run: sudo apt-get install -y libelf-dev linux-headers-$(uname -r) shellcheck elfutils
+    - name: make
+      run: make
+    - name: submodule update
+      run: git submodule update --init
+    - name: make unit
+      run: make unit
+    - name: make check
+      run: make check
+    - name: install
+      run: sudo make install

.gitignore

@@ -5,6 +5,7 @@
 *.ko.cmd
 *.mod.c
 *.swp
+*.swo
 *.d
 *.so
 .tmp_versions

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "test/unit/objs"]
+	path = test/unit/objs
+	url = https://github.com/dynup/kpatch-unit-test-objs.git

.travis.yml

@@ -0,0 +1,18 @@
+language: c
+before_install:
+  - sudo apt-get -qq update
+  - sudo apt-get install -y libelf-dev linux-headers-$(uname -r) shellcheck elfutils
+
+jobs:
+  include:
+    - name: "Default"
+    - name: "-O2"
+      env: CFLAGS="-O2"
+    - name: "-O3"
+      env: CFLAGS="-O3"
+
+script:
+  - make
+  - make unit
+  - make check
+  - sudo make install

Makefile

@@ -6,14 +6,26 @@ INSTALL_DIRS = $(SUBDIRS:%=install-%)
 UNINSTALL_DIRS = $(SUBDIRS:%=uninstall-%)
 CLEAN_DIRS   = $(SUBDIRS:%=clean-%)
 
-.PHONY: all install uninstall clean check
+UNITTEST_DIR = test/unit
+INTEGRATION_DIR = test/integration
+CLEAN_DIRS  += clean-$(UNITTEST_DIR)
+
+.PHONY: all dependencies install uninstall clean check unit
 .PHONY: $(SUBDIRS) $(BUILD_DIRS) $(INSTALL_DIRS) $(CLEAN_DIRS)
+.PHONY: integration integration-slow integration-quick
+.PHONY: vagrant-integration-slow vagrant-integration-quick vagrant-integration
+.PHONY: vagrant-install
+.PHONY: help
 
 
 all: $(BUILD_DIRS)
 $(BUILD_DIRS):
 	$(MAKE) -C $(@:build-%=%)
 
+dependencies: SHELL:=/bin/bash
+dependencies:
+	source test/integration/lib.sh && kpatch_dependencies
+
 install: $(INSTALL_DIRS)
 $(INSTALL_DIRS):
 	$(MAKE) -C $(@:install-%=%) install
@@ -26,5 +38,58 @@ clean: $(CLEAN_DIRS)
 $(CLEAN_DIRS):
 	$(MAKE) -C $(@:clean-%=%) clean
 
+unit: $(UNITTEST_DIR)/Makefile build-kpatch-build
+	$(MAKE) -C $(UNITTEST_DIR)
+
+integration: integration-quick
+
+integration-slow: $(INTEGRATION_DIR)/Makefile build-kpatch-build build-kpatch build-kmod
+	$(MAKE) -C $(INTEGRATION_DIR) slow
+
+integration-quick: $(INTEGRATION_DIR)/Makefile build-kpatch-build build-kpatch build-kmod
+	$(MAKE) -C $(INTEGRATION_DIR) quick
+
+vagrant-install: $(INTEGRATION_DIR)/lib.sh
+ifneq ($(shell id -u), 0)
+	@echo "WARNING: This target is intended for use on freshly-installed machines/vms only." && \
+	echo "Do not proceed unless you read $(INTEGRATION_DIR)/lib.sh and realise what this target does." && \
+	echo "Press ctrl-c to abort, return to proceed." && \
+	read
+endif
+	source $(INTEGRATION_DIR)/lib.sh && kpatch_check_install_vagrant
+
+vagrant-integration: vagrant-integration-quick
+
+vagrant-integration-slow:
+	$(MAKE) -C $(INTEGRATION_DIR) vagrant-slow
+
+vagrant-integration-quick:
+	$(MAKE) -C $(INTEGRATION_DIR) vagrant-quick
+
 check:
-	shellcheck kpatch/kpatch kpatch-build/kpatch-build kpatch-build/kpatch-gcc
+	shellcheck kpatch/kpatch kpatch-build/kpatch-build kpatch-build/kpatch-cc
+	shellcheck test/difftree.sh test/integration/kpatch-test		\
+		   test/integration/lib.sh test/integration/rebase-patches	\
+		   test/integration/test-vagrant				\
+		   test/integration/vm-integration-run
+
+help:
+	@echo "kpatch Makefile"
+	@echo
+	@echo "Targets:"
+	@echo "    make dependencies                 install build dependencies [1]"
+	@echo "    make all                          build entire project"
+	@echo "    make install                      install programs to system [1]"
+	@echo "    make uninstall                    remove programs from system [1]"
+	@echo "    make clean                        clean build files"
+	@echo
+	@echo "Test targets:"
+	@echo "    make check                        run static code analyzers"
+	@echo "    make integration                  build and run integration tests [2]"
+	@echo "    make integration-slow             build and run integration tests [2]"
+	@echo "    make integration-quick            build and run integration tests [2]"
+	@echo "    make unit                         run unit tests"
+	@echo
+	@echo "[1] requires admin privileges"
+	@echo "[2] installs test kpatch kernel modules, run at your own risk"
+	@echo

Makefile.inc

@@ -17,10 +17,5 @@ MANDIR     = $(DESTDIR)$(PREFIX)/share/man/man1
 SYSTEMDDIR = $(DESTDIR)$(PREFIX)/lib/systemd/system
 UPSTARTDIR = $(DESTDIR)/etc/init
 
-# The core module is only supported on x86_64
-ifeq ($(ARCH),x86_64)
-BUILDMOD  ?= yes
-endif
-
 .PHONY: all install clean
 .DEFAULT: all