pck-update: do not check for missing build requirements and source files when pck-update is invoked with the option --list-check

Signed-off-by: Davide Madrisan <davide.madrisan@gmail.com>

ChangeLog

@@ -6,6 +6,11 @@ Changes in version 1.12.2
     Add a few more examples for 'autospec -u' and add a short comment before
     each example.
 
++ update
+  * pck-update - Davide Madrisan:
+    Do not check for missing build requirements and source files when
+    pck-update is invoked with the option '--list-check'.
+
 -------------------------------------------------------------------------------
 
 Changes in version 1.12.1

plugins/pck-update.in

@@ -1854,7 +1854,7 @@ specfile is newer than srpm (according to modification date)"
          fi
 
          # download and install all the needed build requirements...
-
+         if [ "$list_check" = 0 ]; then
             # note: it's not possible to directly use the features provided by
             # rpmlib because they'are bugged (at least in the version 4.0.4)
             # so we install the necessary 'BuildRequirement's looking at the
@@ -1909,9 +1909,10 @@ cannot install the needed build requirements"
 found ${NOTE}missing BuildRequirement${NORM} \`${NOTE}$f${NORM}'"
                fi
             fi
+         fi
 
          # automatically download the missing source and patch files...
-
+         if [ "$list_check" = 0 ]; then
             # get the list of URLs for the source files to download
             specfile.getvars -s $SRPM_SPECFILE_WITH_PATH --verbatim SPEC_SOURCE
 
@@ -1950,6 +1951,7 @@ rpmvars.solve "$fullURL" "$SRPM_SPECFILE_WITH_PATH")
 ${proxy:+--proxy $proxy} ${proxy_user:+--proxy-user $proxy_user} \
 --exit-on-err --filenum="$totfilenum" --destdir="$source_dir" "$fullURL"
             done
+         fi
 
          local rpmbuild_opts="\
 --define=\"%_srcrpmdir $srpms_dir\" \