Setup code formatting with make.

.clang-format

@@ -1,11 +1,11 @@
 ---
 Language:        Cpp
 AlignAfterOpenBracket: Align
-AlignConsecutiveAssignments: true
-AlignConsecutiveDeclarations: true
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
 AlignEscapedNewlinesLeft: false
-AlignOperands:   true
-AlignTrailingComments: true
+AlignOperands:   false
+AlignTrailingComments: false
 AllowAllParametersOfDeclarationOnNextLine: false
 AllowShortBlocksOnASingleLine: false
 AllowShortCaseLabelsOnASingleLine: false
@@ -22,7 +22,7 @@ BraceWrapping:
   AfterClass:      true
   AfterFunction:   true
   AfterControlStatement: true
-  AfterEnum:       true
+  AfterEnum:       false
   AfterNamespace:  true
   AfterStruct:     true
   AfterUnion:      true
@@ -47,7 +47,7 @@ IncludeCategories:
   - Regex:           '.*'
     Priority:        1
 IndentCaseLabels: true
-IndentWidth:     8
+IndentWidth:     4
 IndentWrappedFunctionNames: false
 KeepEmptyLinesAtTheStartOfBlocks: true
 MacroBlockBegin: ''
@@ -74,7 +74,7 @@ SpacesInCStyleCastParentheses: false
 SpacesInParentheses: true
 SpacesInSquareBrackets: false
 Standard:        Cpp11
-TabWidth:        8
-UseTab:          Always
+TabWidth:        4
+UseTab:          Never
 ...
 

.github/workflows/ci.yml

@@ -9,13 +9,16 @@ jobs:
 
     steps:
     - uses: actions/checkout@v1
-    - name: update repo
+    - name: updating available system dependencies
       run: sudo apt-get update
     - name: installing system dependencies
-      run: sudo apt-get install -y build-essential pkg-config automake libncurses5-dev autotools-dev libparted-dev dmidecode
+      run: sudo apt-get install -y build-essential pkg-config automake libncurses5-dev autotools-dev libparted-dev dmidecode clang-format-5.0
     - name: creating autoconf files
       run: ./init.sh
-    - name: configure
+    - name: configuring
       run: ./configure CFLAGS='-O0 -g -Wall -Wextra'
-    - name: make
+    - name: compiling
       run: make
+    # Changing the path should no longer be necessary when clang-format6 is installed.
+    # - name: verifying code style
+    #   run: export PATH=$PATH:/usr/lib/llvm-5.0/bin && make check-format

.github/workflows/ci_ubuntu-16.04.yml

@@ -9,13 +9,16 @@ jobs:
 
     steps:
     - uses: actions/checkout@v1
-    - name: update repo
+    - name: updating available system dependencies
       run: sudo apt-get update
     - name: installing system dependencies
-      run: sudo apt-get install -y build-essential pkg-config automake libncurses5-dev autotools-dev libparted-dev dmidecode
+      run: sudo apt-get install -y build-essential pkg-config automake libncurses5-dev autotools-dev libparted-dev dmidecode clang-format-5.0
     - name: creating autoconf files
       run: ./init.sh
-    - name: configure
+    - name: configuring
       run: ./configure CFLAGS='-O0 -g -Wall -Wextra'
-    - name: make
+    - name: compiling
       run: make
+    # Changing the path should no longer be necessary when clang-format6 is installed.
+    # - name: verifying code style
+    #   run: export PATH=$PATH:/usr/lib/llvm-5.0/bin && make check-format

Makefile.am

@@ -1,2 +1,9 @@
 AUTOMAKE_OPTIONS = foreign
 SUBDIRS = src man
+nwipe_SOURCES = src/*.c src/*.h
+
+format:
+	clang-format -i -style=file $(nwipe_SOURCES)
+
+check-format:
+	clang-format -i -style=file $(nwipe_SOURCES) && git diff-index --quiet HEAD