1 files changed, 49 insertions, 1 deletions

diff --git a/scripts/functions b/scripts/functions
index 2261b8d0..f09df54b 100644
--- a/scripts/functions
+++ b/scripts/functions
@@ -842,7 +842,7 @@ CT_GetGit() {
     local url="${3}"
     local _out_cset="${4}"
 
-    local ref=$(echo "${cset_or_ref}" | sed -n 's/^ref=\(.*\)/\1/p')
+    local ref=$(echo "${cset_or_ref}" | ${sed} -n 's/^ref=\(.*\)/\1/p')
     if [ -n "$ref" ]; then
         local matches=$(git ls-remote --exit-code "$url" --refs "${ref}")
         local result=$?
@@ -1428,3 +1428,51 @@ CT_DoLoadState(){
     exec >>"${tmp_log_file}"
     rm -f "${state_dir}/tail.log"
 }
+
+# This function sets a kconfig option to a specific value in a .config file
+# Usage: CT_KconfigSetOption <option> <value> <file>
+CT_KconfigSetOption() {
+    option="$1"
+    value="$2"
+    file="$3"
+
+    ${grep} -E -q "^${option}=.*" "${file}" && \
+        ${sed} -i -r -e "s;^${option}=.*$;${option}=${value};" "${file}" || \
+    ${grep} -E -q "^# ${option} is not set$" "${file}" && \
+        ${sed} -i -r -e "s;^# ${option} is not set$;${option}=${value};" "${file}" || \
+    echo "${option}=${value}" >> "${file}"
+}
+
+# This function enables a kconfig option to '=y' in a .config file
+# Usage: CT_KconfigEnableOption <option> <file>
+CT_KconfigEnableOption() {
+    option="$1"
+    file="$2"
+
+    CT_KconfigSetOption "${option}" "y" "${file}"
+}
+
+# This function disables a kconfig option in a .config file
+# Usage: CT_KconfigDisableOption <option> <file>
+CT_KconfigDisableOption() {
+    option="${1}"
+    file="${2}"
+
+    ${grep} -E -q "^# ${option} is not set$" "${file}" || \
+    ${grep} -E -q "^${option}=.*$" "${file}" && \
+        ${sed} -i -r -e "s;^${option}=.*$;# ${option} is not set;" "${file}" || \
+    echo "# ${option} is not set" >> "${file}"
+}
+
+# This function deletes a kconfig option in a .config file, no matter if it
+# is set or commented out.
+# Usage: CT_KconfigDeleteOption <option> <file>
+CT_KconfigDeleteOption() {
+    option="${1}"
+    file="${2}"
+
+    ${grep} -E -q "^# ${option} is not set$" "${file}" && \
+        ${sed} -i -r -e "/^# ${option} is not set$/d" "${file}" || \
+    ${grep} -E -q "^${option}=.*$" "${file}" && \
+        ${sed} -i -r -e "/^${option}=.*$/d" "${file}" || true
+}