kiss: Make backup of rm command.

kiss

@@ -693,6 +693,9 @@ pkg_install() {
         [ -f "$KISS_ROOT/$pkg_db/$pkg_name/manifest" ] &&
             cp -f "$KISS_ROOT/$pkg_db/$pkg_name/manifest" "$cac_dir/m-$pkg_name"
 
+        # Make a backup of the `rm` command so it isn't removed below.
+        cp "$(command -v rm)" "$cac_dir"
+
         # Install the package by using 'rsync' and overwrite any existing files
         # (excluding '/etc/').
         rsync -HKav --exclude etc -- "$tar_dir/" "$KISS_ROOT/"
@@ -706,7 +709,7 @@ pkg_install() {
             awk 'NR==FNR{lines[$0];next}!($0 in lines)' \
                 "$KISS_ROOT/$pkg_db/$pkg_name/manifest" "$cac_dir/m-$pkg_name" |
             while read -r file; do
-                [ -f "$KISS_ROOT/$file" ] && rm -f "$KISS_ROOT/$file"
+                [ -f "$KISS_ROOT/$file" ] && "$cac_dir/rm" -f "$KISS_ROOT/$file"
             done
 
         # Install the package again to fix any non-leftover files being
@@ -795,7 +798,7 @@ pkg_clean() {
     rm -rf -- "$mak_dir" "$pkg_dir" "$tar_dir"
 
     # Remove temporary files.
-    (set +f; rm  -f "$cac_dir/c-"* "$cac_dir/m-"*)
+    (set +f; rm  -f "$cac_dir/c-"* "$cac_dir/m-"* "$cac_dir/rm")
 }
 
 root_check() {
@@ -965,7 +968,7 @@ args() {
 
         # Print version and exit.
         v*)
-            log "kiss 0.5.6"
+            log "kiss 0.5.7"
         ;;
 
         # Catch all invalid arguments as well as