fix(base): remove grep dependency

The base module requires grep with the `rd.memdebug=1` command line parameter. As this code is broken if grep is not added by other means and grep is only required for this, rewriting this code to avoid the dependency.
dracutdevs · Dec 3, 2022 · 240a1d3 · 240a1d3
1 parent 4a9b165
commit 240a1d3
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/modules.d/99base/dracut-lib.sh b/modules.d/99base/dracut-lib.sh
@@ -1104,7 +1104,13 @@ make_trace_mem() {
 show_memstats() {
     case $1 in
         shortmem)
-            grep -e "^MemFree" -e "^Cached" -e "^Slab" /proc/meminfo
+            while read -r line || [ -n "$line" ]; do
+                str_starts "$line" "MemFree" \
+                    || str_starts "$line" "Cached" \
+                    || str_starts "$line" "Slab" \
+                    || continue
+                echo "$line"
+            done < /proc/meminfo
             ;;
         mem)
             cat /proc/meminfo