tools: allow static checks to be run from any directory

dist/tools/coccinelle/check.sh

@@ -6,7 +6,10 @@
 # General Public License v2.1. See the file LICENSE in the top level
 # directory for more details.
 
-: "${RIOTTOOLS:=${PWD}/dist/tools}"
+: "${RIOTBASE:=$(cd $(dirname $0)/../../../; pwd)}"
+cd $RIOTBASE
+
+: "${RIOTTOOLS:=${RIOTBASE}/dist/tools}"
 . "${RIOTTOOLS}"/ci/changed_files.sh
 
 EXIT_CODE=0

dist/tools/cppcheck/check.sh

@@ -8,7 +8,10 @@
 # General Public License v2.1. See the file LICENSE in the top level
 # directory for more details.
 
-: "${RIOTTOOLS:=${PWD}/dist/tools}"
+: "${RIOTBASE:=$(cd $(dirname $0)/../../../; pwd)}"
+cd $RIOTBASE
+
+: "${RIOTTOOLS:=${RIOTBASE}/dist/tools}"
 . "${RIOTTOOLS}"/ci/changed_files.sh
 
 # Don't show warnings about unusedStructMembers by default

dist/tools/externc/check.sh

@@ -8,7 +8,10 @@
 # General Public License v2.1. See the file LICENSE in the top level
 # directory for more details.
 
-: "${RIOTTOOLS:=${PWD}/dist/tools}"
+: "${RIOTBASE:=$(cd $(dirname $0)/../../../; pwd)}"
+cd $RIOTBASE
+
+: "${RIOTTOOLS:=${RIOTBASE}/dist/tools}"
 . "${RIOTTOOLS}"/ci/changed_files.sh
 
 # prepare

dist/tools/flake8/check.sh

@@ -17,7 +17,10 @@ else
     CRESET=
 fi
 
-: "${RIOTTOOLS:=${PWD}/dist/tools}"
+: "${RIOTBASE:=$(cd $(dirname $0)/../../../; pwd)}"
+cd $RIOTBASE
+
+: "${RIOTTOOLS:=${RIOTBASE}/dist/tools}"
 . "${RIOTTOOLS}"/ci/changed_files.sh
 
 FILES=$(FILEREGEX='(?=*.py$|pyterm$)' changed_files)

dist/tools/headerguards/check.sh

@@ -6,7 +6,10 @@
 # General Public License v2.1. See the file LICENSE in the top level
 # directory for more details.
 
-: "${RIOTTOOLS:=${PWD}/dist/tools}"
+: "${RIOTBASE:=$(cd $(dirname $0)/../../../; pwd)}"
+cd $RIOTBASE
+
+: "${RIOTTOOLS:=${RIOTBASE}/dist/tools}"
 . "${RIOTTOOLS}"/ci/changed_files.sh
 
 EXIT_CODE=0

dist/tools/licenses/check.sh

@@ -7,7 +7,10 @@
 # General Public License v2.1. See the file LICENSE in the top level
 # directory for more details.
 
-: "${RIOTTOOLS:=${PWD}/dist/tools}"
+: "${RIOTBASE:=$(cd $(dirname $0)/../../../; pwd)}"
+cd $RIOTBASE
+
+: "${RIOTTOOLS:=${RIOTBASE}/dist/tools}"
 . "${RIOTTOOLS}"/ci/changed_files.sh
 
 # customizable

dist/tools/pr_check/pr_check.sh

@@ -7,10 +7,14 @@
 # directory for more details.
 #
 
-EXIT_CODE=0
-: "${RIOTTOOLS:=${PWD}/dist/tools}"
+: "${RIOTBASE:=$(cd $(dirname $0)/../../../; pwd)}"
+cd $RIOTBASE
+
+: "${RIOTTOOLS:=${RIOTBASE}/dist/tools}"
 . "${RIOTTOOLS}"/pr_check/check_labels.sh
 
+EXIT_CODE=0
+
 if tput colors &> /dev/null && [ $(tput colors) -ge 8 ]; then
     CERROR="\e[1;31m"
     CRESET="\e[0m"