epm, epm-install: added --force-overwrite option (eterbug #17603)

bin/epm

@@ -153,6 +153,7 @@ pkg_options=
 quoted_args=
 direct_args=
 ipfs=
+force_overwrite=
 
 eget_backend=$EGET_BACKEND
 epm_vardir=/var/lib/eepm
@@ -584,6 +585,9 @@ check_option()
     --no-check-certificate)
         fatal "--no-check-certificate is a wget option. It is recommended never use it at all. Check the date or upgrade your system."
         ;;
+    --force-overwrite)
+        force_overwrite="--force-overwrite"
+        ;;
     -*)
         [ -n "$direct_args" ] && return 1
         [ -n "$pkg_options" ] && pkg_options="$pkg_options $1" || pkg_options="$1"
@@ -652,7 +656,7 @@ if [ -n "$quiet" ] ; then
 fi
 
 # fill
-export EPM_OPTIONS="$nodeps $force $verbose $debug $quiet $interactive $non_interactive $save_only $download_only"
+export EPM_OPTIONS="$nodeps $force $verbose $debug $quiet $interactive $non_interactive $save_only $download_only $force_overwrite"
 
 # if input is not console and run script from file, get pkgs from stdin too
 if [ ! -n "$inscript" ] && [ -p /dev/stdin ] && [ "$EPMMODE" != "pipe" ] ; then

bin/epm-install

@@ -87,6 +87,10 @@ epm_install_names()
         return
     fi
 
+    if [ -n "$force_overwrite" ] ; then
+        APTOPTIONS="$APTOPTIONS -o Dpkg::Options::=\"--force-overwrite\""
+    fi
+
     case $PMTYPE in
         apt-rpm|apt-dpkg)
             APTOPTIONS="$APTOPTIONS $(subst_option verbose "-o Debug::pkgMarkInstall=1 -o Debug::pkgProblemResolver=1")"

bin/epm-install-apt-dpkg

@@ -32,6 +32,10 @@ epm_install_files_apt_dpkg()
         files="$repacked_pkgs"
     fi
 
+    if [ -n "$force_overwrite" ] ; then
+        DPKGOPTIONS="$DPKGOPTIONS --force-overwrite"
+    fi
+
     if [ -n "$save_only" ] ; then
         echo
         cp -v $files "$EPMCURDIR"

bin/epm-install-rpm

@@ -39,12 +39,16 @@ epm_install_files_rpm()
         return
     fi
 
+    if [ -n "$force_overwrite" ] ; then
+        force_overwrite="--replacefiles"
+    fi
+
 
     __epm_check_if_src_rpm $files
 
     # --replacepkgs: Install the Package Even If Already Installed
     local replacepkgs="$(__epm_get_replacepkgs $files)"
-    sudocmd rpm -Uvh $replacepkgs $(subst_option dryrun --test) $force $noscripts $nodeps $files && return
+    sudocmd rpm -Uvh $replacepkgs $(subst_option dryrun --test) $force $noscripts $nodeps $files $force_overwrite && return
     local RES=$?
 
     __epm_check_if_rpm_already_installed $force $replacepkgs $noscripts $nodeps $files && return