Fix: add variable quoting to shell scripts

[lttng-modules.git] / abi-rhel-version.sh

diff --git a/abi-rhel-version.sh b/abi-rhel-version.sh
index 30f3c17c44b4eecc1aaa8723986593f8ebc78639..bd5328ac9c1ba807da6bf3eb47e4cfb07c4b3a26 100755 (executable)
--- a/abi-rhel-version.sh
+++ b/abi-rhel-version.sh
@@ -1,19 +1,19 @@
 #!/bin/sh
 
 # First argument is the path to the kernel headers.
-KPATH=$1
+KPATH="$1"
 
-if [ ! -f ${KPATH}/include/generated/uapi/linux/version.h ]; then
+if [ ! -f "${KPATH}/include/generated/uapi/linux/version.h" ]; then
        echo 0
        exit 0
 fi
 
 # Assuming KPATH is the target kernel headers directory
-RHEL_RELEASE=$(sed -rn 's/^#define RHEL_RELEASE "(.*)"/\1/p' ${KPATH}/include/generated/uapi/linux/version.h)
+RHEL_RELEASE=$(sed -rn 's/^#define RHEL_RELEASE "(.*)"/\1/p' "${KPATH}/include/generated/uapi/linux/version.h")
 
-RHEL_RELEASE_MAJOR=$(echo ${RHEL_RELEASE} | sed -r 's/^([0-9]+)\.([0-9]+)\.([0-9]+)/\1/')
-RHEL_RELEASE_MINOR=$(echo ${RHEL_RELEASE} | sed -r 's/^([0-9]+)\.([0-9]+)\.([0-9]+)/\2/')
-RHEL_RELEASE_PATCH=$(echo ${RHEL_RELEASE} | sed -r 's/^([0-9]+)\.([0-9]+)\.([0-9]+)/\3/')
+RHEL_RELEASE_MAJOR=$(echo "${RHEL_RELEASE}" | sed -r 's/^([0-9]+)\.([0-9]+)\.([0-9]+)/\1/')
+RHEL_RELEASE_MINOR=$(echo "${RHEL_RELEASE}" | sed -r 's/^([0-9]+)\.([0-9]+)\.([0-9]+)/\2/')
+RHEL_RELEASE_PATCH=$(echo "${RHEL_RELEASE}" | sed -r 's/^([0-9]+)\.([0-9]+)\.([0-9]+)/\3/')
 
 # Combine all update numbers into one
 RHEL_API_VERSION=$((RHEL_RELEASE_MAJOR * 10000 + RHEL_RELEASE_MINOR * 100 + RHEL_RELEASE_PATCH))