scripts: checkcode: Guess the source directory if no argument is prov…

…ided

I always forgot to do that...

Signed-off-by: Jan Kiszka <[email protected]>

scripts/checkcode.sh

@@ -3,20 +3,21 @@
 ERROR=0
 
 if [ $# != 1 ]; then
-    echo "Error: Please provide a path as the argument to this script!"
-    exit 1
+    SRCDIR=$(dirname "$0")/..
+else
+    SRCDIR=$1
 fi
 
 echo "Checking with pycodestyle"
-pycodestyle --ignore=W503,W606 "$1"/*.py "$1"/*/*.py || ERROR=$((ERROR + 1))
+pycodestyle --ignore=W503,W606 "$SRCDIR"/*.py "$SRCDIR"/*/*.py || ERROR=$((ERROR + 1))
 
 echo "Checking with flake8"
-flake8 "$1" || ERROR=$((ERROR + 2))
+flake8 "$SRCDIR" || ERROR=$((ERROR + 2))
 
 echo "Checking with doc8"
-doc8  "$1"/docs --ignore-path "$1"/docs/_build || ERROR=$((ERROR + 4))
+doc8  "$SRCDIR"/docs --ignore-path "$SRCDIR"/docs/_build || ERROR=$((ERROR + 4))
 
 echo "Checking with shellcheck"
-shellcheck "$1"/kas-container "$1"/scripts/release.sh "$1"/scripts/checkcode.sh "$1"/container-entrypoint || ERROR=$((ERROR + 8))
+shellcheck "$SRCDIR"/kas-container "$SRCDIR"/scripts/release.sh "$SRCDIR"/scripts/checkcode.sh "$SRCDIR"/container-entrypoint || ERROR=$((ERROR + 8))
 
 exit $ERROR