pck-extract.in: use rpm2archive instead of rpm2cpio and /var/tmp instead of /tmp to overcome 4GB size limit

plugins/pck-extract.in

@@ -1,6 +1,7 @@
 #!/bin/bash
 # pck-extract -- plugin for @package@
 # Copyright (C) 2004-2010 Davide Madrisan <davide.madrisan@gmail.com>
+# Copyright (C) 2024 Silvan Calarco <silvan.calarco@mambasoft.it>
 
 [ -z "$BASH" ] || [ ${BASH_VERSION:0:1} -lt 3 ] &&
  { echo $"this script requires bash version 3 or better" >&2 && exit 1; }
@@ -173,16 +174,16 @@ notify.enable_colors "$color_scheme"
 notify.note "[${NOTE}$s_rpm_pck${NORM}]"
 
 # check if all the needed tools are available
-for tool in bunzip2 cpio gunzip mktemp rpm2cpio; do
+for tool in bunzip2 tar gunzip mktemp rpm2archive; do
    [ "$(type -p $tool)" ] ||
       notify.error $"utility not found"": \`$tool'"
 done
 
-tmpcpiodir=$(mktemp -q -d -t $me.XXXXXXXX)
+tmparchivedir=$(mktemp -q -d -p /var/tmp -t $me.XXXXXXXX)
 [ $? -eq 0 ] &&
-   trap "rm -fr $tmpcpiodir" 0 1 2 3 6 7 9 13 15 ||
+   trap "rm -fr $tmparchivedir" 0 1 2 3 6 7 9 13 15 ||
    notify.error $"can't create temporary files"
-notify.debug "$FUNCNAME: tmpcpiodir = $tmpcpiodir"
+notify.debug "$FUNCNAME: tmparchivedir = $tmparchivedir"
 
 #local s_rpm_pck_name
 case "$s_rpm_pck" in
@@ -193,9 +194,9 @@ http://*\.src\.*|http://*\.nosrc\.*|ftp://*\.src\.*|ftp://*\.nosrc\.*)
    curl.download \
 --options "$curl_options" \
 ${proxy:+--proxy $proxy} ${proxy_user:+--proxy-user $proxy_user} \
---exit-on-err --destdir="$tmpcpiodir" "$s_rpm_pck"
+--exit-on-err --destdir="$tmparchivedir" "$s_rpm_pck"
 
-   s_rpm_pck="$tmpcpiodir/$s_rpm_pck_name"
+   s_rpm_pck="$tmparchivedir/$s_rpm_pck_name"
 ;;
 *\.src\.*|*\.nosrc\.*)
    s_rpm_pck_name="$s_rpm_pck"
@@ -212,46 +213,37 @@ mkdir -p $destdir 2>/dev/null || notify.error $"cannot create \`$destdir'"
 
 #local errcode
 #local \
-tmpcpiopck="srpm_pck.cpio"
+tmparchivepck="srpm_pck.tar.gz"
 
 notify.debug "\
-$FUNCNAME: converting the rpm package into a cpio archive..."
+$FUNCNAME: converting the rpm package into a tar.gz archive..."
 
-rpm2cpio $s_rpm_pck > $tmpcpiodir/$tmpcpiopck
+rpm2archive $s_rpm_pck > $tmparchivedir/$tmparchivepck
 let "errcode = $?"
 [ "$errcode" = 0 ] ||
- { rm -fr $tmpcpiodir
+ { rm -fr $tmparchivedir
-   notify.debug "$FUNCNAME: exit code of rpm2cpio = \`$errcode'"
+   notify.debug "$FUNCNAME: exit code of rpm2archive = \`$errcode'"
    notify.error $"can't save extracted files to \`$destdir'"; }
 
 notify.debug "\
-$FUNCNAME: extracting files from the cpio archive..."
+$FUNCNAME: extracting files from the tar.gz archive..."
 
-pushd $tmpcpiodir &>/dev/null
+pushd $tmparchivedir &>/dev/null
+
+tar xzf $tmparchivedir/$tmparchivepck
 
-cpio --quiet --extract --preserve-modification-time \
-   < $tmpcpiodir/$tmpcpiopck
 let "errcode = $?"
 [ "$errcode" = 0 ] ||
- { rm -fr $tmpcpiodir
+ { rm -fr $tmparchivedir
-   notify.debug "$FUNCNAME: exit code of cpio = \`$errcode'"
+   notify.debug "$FUNCNAME: exit code of tar = \`$errcode'"
    notify.error $"can't save extracted files to \`$destdir'"; }
 
-rm -f $tmpcpiodir/$tmpcpiopck
+rm -f $tmparchivedir/$tmparchivepck
-
-#notify.debug "\
-#$FUNCNAME: extracting files from the srpm archive..."
-#
-#rpm2cpio $s_rpm_pck 2>/dev/null | \
-#cpio --quiet --extract $filelst &>/dev/null
-#[ $? -ne 0 ] &&
-# { popd &>/dev/null
-#   notify.error $"can't save extracted files to \`$destdir'"; }
 
 popd &>/dev/null
 
 #local fname
-for f in $tmpcpiodir/${filelst:-*}; do
+for f in $tmparchivedir/${filelst:-*}; do
    fname=${f##*/}
    notify.debug "$FUNCNAME: fname = \"$fname\""
    case $fname in
@@ -261,7 +253,7 @@ for f in $tmpcpiodir/${filelst:-*}; do
          notify.debug "$FUNCNAME: decompressing the patch..."
          bunzip2 $f &>/dev/null
          [ $? -eq 0 ] ||
-          { rm -fr $tmpcpiodir
+          { rm -fr $tmparchivedir
             notify.warning $"can't decompress the file"" \`$f'"; }
 
          notify.note " * ${NOTE}$destdir/${fname/\.bz2/}${NORM}"
@@ -271,7 +263,7 @@ for f in $tmpcpiodir/${filelst:-*}; do
          notify.debug "$FUNCNAME: decompressing the patch..."
          gunzip $f &>/dev/null
          [ $? -eq 0 ] ||
-          { rm -fr $tmpcpiodir
+          { rm -fr $tmparchivedir
             notify.warning $"can't decompress the file"" \`$f'"; }
 
          notify.note " * ${NOTE}$destdir/${fname/\.gz/}${NORM}"
@@ -283,8 +275,8 @@ for f in $tmpcpiodir/${filelst:-*}; do
       ;;
    esac
    [ $? -eq 0 ] ||
-    { rm -fr $tmpcpiodir
+    { rm -fr $tmparchivedir
       notify.error $"can't save files to \`$destdir'"; }
 done
 
-rm -fr $tmpcpiodir
+rm -fr $tmparchivedir