Add option '-n|--dry-run' to allow for a "dry run" which only displays the names of packages to convert without actually running the conversion

1 files changed, 20 insertions, 3 deletions

diff --git a/compat32-tools/massconvert32.sh b/compat32-tools/massconvert32.sh
index 9fb1f99..f7d4d64 100755
--- a/compat32-tools/massconvert32.sh
+++ b/compat32-tools/massconvert32.sh
@@ -23,6 +23,9 @@ fi
 # Should we be verbose?
 VERBOSE=${VERBOSE:-1}
 
+# Do we really convert the packages or only pretend to?
+DRYRUN=0
+
 # In case we need temporary storage:
 TMP=${TMP:-/tmp}
 mkdir -p $TMP
@@ -56,6 +59,8 @@ Optional parameter::
   -d destination_directory     create packages in this directory.
                                By default, the new packages will be created
                                in your current directory.
+  -n                           Dry-run (do not convert packages, just mention
+                               their names).
   -q                           Only print output if packages are actually being
                                converted (useful for cron jobs).
 
@@ -80,6 +85,10 @@ while [ ! -z "$1" ]; do
       SLACK32ROOT="$(cd $(dirname "${2}"); pwd)/$(basename "${2}")"
       shift 2
       ;;
+    -n|--dry-run)
+      DRYRUN=1
+      shift
+      ;;
     -q|--quiet)
       VERBOSE=0
       shift
@@ -189,15 +198,23 @@ function conv_pkg () {
       then
         [ $VERBOSE -eq 1 ] && echo "--- ${BP}-compat32 version '$COMPAT32VERSION' already available"
       else
-        echo ">>> Deleting old version '$COMPAT32VERSION' of '${BP}-compat32'"
+        if [ $DRYRUN -eq 0 ]; then
+          echo ">>> Deleting old version '$COMPAT32VERSION' of '${BP}-compat32'"
+        else
+          echo "${BP}: existing package needs update"
+        fi
         FILE_TO_REMOVE=$HAVE_COMPAT32
         HAVE_COMPAT32=""
       fi
+    else
+      if [ $DRYRUN -eq 1 ]; then
+        echo "${BP}: new package will be converted"
+      fi
     fi
   fi
 
   # If we do not have the latest -compat32 package, then run the conversion:
-  if [ ! -n "$HAVE_COMPAT32" ]; then
+  if [ ! -n "$HAVE_COMPAT32" -a $DRYRUN -eq 0 ]; then
 
     if [ -n "$SLACK32URL" ]; then
       # Download the Slackware package before converting it:
@@ -495,7 +512,7 @@ for INPKG in $XAP_COMPAT32 ; do
 done
 
 # Mention downloaded packages if we used a URL as source:
-if [ $VERBOSE -eq 1 -a  -n "$SLACK32URL" ]; then
+if [ $VERBOSE -eq 1 -a $DRYRUN -eq 0 -a  -n "$SLACK32URL" ]; then
   echo "WARNING: packages which were downloaded from '$SLACK32URL'"
   echo "have been left in directory '$SLACK32ROOT'."
   echo "It is safe to remove these now."