firefox.launcher

#!/bin/sh

# When running the snap for the first time, try and locate an existing
# firefox config in $SNAP_REAL_HOME/.mozilla/firefox, and import it.
# This requires the personal-files plug to be connected.
# This is a stopgap measure until proper profile migration is implemented
# in firefox (see https://bugzilla.mozilla.org/1730530).
DOTMOZILLA="$SNAP_USER_COMMON/.mozilla"
if [ ! -d "$DOTMOZILLA" ]; then
  FIREFOX_CONFIG="$SNAP_REAL_HOME/.mozilla/firefox"
  cat "$FIREFOX_CONFIG/profiles.ini" >/dev/null 2>&1
  if [ "$?" -eq "0" ]; then
    SIZE=$(du -sb $FIREFOX_CONFIG | cut -f 1)
    AVAILABLE_BLOCKS=$(stat -f -c %a $SNAP_USER_COMMON)
    BLOCK_SIZE=$(stat -f -c %s $SNAP_USER_COMMON)
    AVAILABLE_SIZE=$(($AVAILABLE_BLOCKS*$BLOCK_SIZE))
    if [ $AVAILABLE_SIZE -gt $SIZE ]; then
      printf "Importing existing firefox profiles from $FIREFOX_CONFIG\n"
      TS1=$(date +%s.%3N)
      mkdir -p "$DOTMOZILLA"
      cp -R "$FIREFOX_CONFIG" "$DOTMOZILLA/"
      # Search and replace absolute file paths in plain-text config files.
      for FILENAME in "pkcs11.txt" "extensions.json"; do
        find "$DOTMOZILLA/firefox" -name "$FILENAME" \
            -exec sed -i "s#$FIREFOX_CONFIG#$DOTMOZILLA/firefox#g" {} \;
      done
      # Patch the imported profiles to set the default one for use by the snap
      # (legacy mode, no dedicated profiles).
      $SNAP/patch-default-profile.py "$DOTMOZILLA/firefox/profiles.ini"
      TS2=$(date +%s.%3N)
      T=$(printf "$TS1 $TS2" | awk '{printf "%.3f",$2-$1}')
      printf "Import done in $T s\n"
    else
      printf "Not importing existing firefox profiles from $FIREFOX_CONFIG "
      printf "because there is not enough available space in $SNAP_USER_COMMON "
      printf "(required: $SIZE bytes / available: $AVAILABLE_SIZE bytes)\n"
    fi
  fi
fi

# Default to XWayland until native Wayland support is properly tested
# (see https://bugzilla.mozilla.org/show_bug.cgi?id=1725245)
[ -z "$MOZ_ENABLE_WAYLAND" ] && export MOZ_ENABLE_WAYLAND=0
unset GDK_BACKEND

exec "$SNAP/usr/lib/firefox/firefox" "$@"