add alternate versions

5 files changed, 949 insertions, 1 deletions

diff --git a/PKGBUILD b/PKGBUILD
index 93ebe403b02c..3fb3eca491cf 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,4 +1,4 @@
-# Maintainer: xiota / aur.chaotic.cx
+# Maintainer:
 # Contributor: Alexey Peschany <archlinux at sandboiii dot xyz>
 
 # options
diff --git a/PKGBUILD.avx b/PKGBUILD.avx
new file mode 100644
index 000000000000..2e8686abdcf5
--- /dev/null
+++ b/PKGBUILD.avx
@@ -0,0 +1,237 @@
+# Maintainer:
+
+# options
+if [ -n "$_srcinfo" ] || [ -n "$_pkgver" ] ; then
+  : ${_autoupdate:=false}
+else
+  : ${_autoupdate:=true}
+fi
+
+: ${_pkgtype:=-bin}
+
+# basic info
+_pkgname="mercury-browser-avx"
+pkgname="$_pkgname${_pkgtype:-}"
+pkgver=122.0.2
+pkgrel=1
+pkgdesc="Compiler optimized, private Firefox fork"
+url="https://github.com/Alex313031/Mercury"
+license=('MPL-2.0')
+arch=('x86_64')
+
+# main package
+_main_package() {
+  _update_version
+
+  optdepends=(
+    'ffmpeg: H264/AAC/MP3 decoding'
+    'hunspell: Spell checking'
+    'hyphen: Hyphenation'
+    'networkmanager: Location detection via available WiFi networks'
+  )
+
+  options=('!emptydirs' '!strip')
+
+  : ${_dl_filename:=${_pkgname%-avx}_${_pkgver:?}_AVX.deb}
+  : ${_dl_url:=$url/releases/download/v.$_pkgver/$_dl_filename}
+
+  noextract+=("$_dl_filename")
+  source=("$_dl_filename"::"$_dl_url")
+  sha256sums=('SKIP')
+}
+
+# common functions
+pkgver() {
+  echo "${_pkgver:?}"
+}
+
+prepare() {
+  # desktop
+  install -Dvm644 /dev/stdin "$_pkgname.desktop" <<END
+[Desktop Entry]
+Version=1.0
+Name=Mercury
+Comment=Browse the World Wide Web
+GenericName=Web Browser
+Keywords=Internet;WWW;Browser;Web;Explorer;Mercury
+Exec=$_pkgname %u
+StartupWMClass=mercury-default
+Terminal=false
+X-MultipleArgs=true
+Type=Application
+Icon=$_pkgname
+Categories=GNOME;GTK;Network;WebBrowser;
+MimeType=text/html;text/xml;application/xhtml+xml;application/xml;application/rss+xml;application/rdf+xml;image/gif;image/jpeg;image/png;x-scheme-handler/http;x-scheme-handler/https;x-scheme-handler/ftp;x-scheme-handler/chrome;video/webm;application/x-xpinstall;
+StartupNotify=true
+Actions=NewWindow;NewPrivateWindow;TempUserDir;
+
+[Desktop Action NewWindow]
+Name=New Window
+Exec=$_pkgname -new-window
+
+[Desktop Action NewPrivateWindow]
+Name=New Private Window
+Exec=$_pkgname -private-window
+
+[Desktop Action TempUserDir]
+Name=Open With Temporary User Profile
+Exec=$_pkgname --temp-profile
+END
+
+  install -Dvm644 /dev/stdin "$_pkgname.sh" <<END
+#!/usr/bin/env bash
+
+# check microprocessor architecture level
+if grep -qE '\bavx\b' /proc/cpuinfo ; then
+  _message=''
+  _message+=\$'The fastest Firefox fork on Earth.'
+else
+  _message=''
+  _message+=\$'Your processor does not support AVX instructions.\n'
+  _message+=\$'mercury-browser may not work on your computer.'
+fi
+
+# Allow users to override command-line options
+XDG_CONFIG_HOME=\${XDG_CONFIG_HOME:-~/.config}
+_FLAGFILE="\$XDG_CONFIG_HOME/mercury-flags.conf"
+if [[ -f "\$_FLAGFILE" ]]; then
+  _USER_FLAGS=\$(cat "\$_FLAGFILE")
+fi
+
+# display processor support message
+if tty -s ; then
+  echo "\$_message"
+else
+  [ ! -e "\$HOME/.mercury" ] && notify-send -a "mercury-browser" -t 7500 "\$_message"
+fi
+
+# Launch
+exec /opt/$_pkgname/mercury \$_USER_FLAGS "\$@"
+END
+}
+
+package() {
+  provides=("$_pkgname=${pkgver%%.r*}")
+  conflicts=("$_pkgname")
+
+  depends+=(
+    'alsa-lib'
+    'dbus-glib'
+    'gtk3'
+    'libnotify' # notify-send
+
+    ## implicit
+    #at-spi2-core
+    #cairo
+    #dbus
+    #fontconfig
+    #freetype2
+    #gcc-libs
+    #gdk-pixbuf2
+    #glib2
+    #glibc
+    #libx11
+    #libxcb
+    #libxcomposite
+    #libxcursor
+    #libxdamage
+    #libxext
+    #libxfixes
+    #libxi
+    #libxrandr
+    #libxrender
+    #pango
+  )
+
+  local _filetype="zip"
+  if bsdtar -xf "$_dl_filename" -- data.tar.* &> /dev/null ; then
+    _filetype="deb"
+  fi
+
+  if [[ "${_filetype::1}" == 'z' ]] ; then
+    _package_zip
+  else
+    _package_deb
+  fi
+
+  # script
+  \rm -rf "$pkgdir/usr/bin/mercury-browser"
+  install -Dm755 "$_pkgname.sh" "$pkgdir/usr/bin/$_pkgname"
+
+  # icon
+  install -Dm644 "$pkgdir/opt/$_pkgname/browser/chrome/icons/default/default128.png" "$pkgdir/usr/share/pixmaps/$_pkgname.png"  
+
+  # .desktop
+  \rm -rf "$pkgdir/usr/share/applications/mercury-browser.desktop"
+  install -Dm644 "$_pkgname.desktop" "$pkgdir/usr/share/applications/$_pkgname.desktop"
+
+  # symlink duplicate file
+  ln -sf "/usr/bin/$_pkgname" "$pkgdir/opt/$_pkgname/mercury-bin"
+
+  # remove unnecessary folders
+  \rm -rf "$pkgdir/usr/lib/"
+  \rm -rf "$pkgdir/usr/share/doc/"
+  \rm -rf "$pkgdir/usr/share/icons"
+  \rm -rf "$pkgdir/usr/share/lintian/"
+  \rm -rf "$pkgdir/usr/share/man/"
+
+  # fix permissions
+  chmod -R u+rwX,go+rX,go-w "$pkgdir/"
+}
+
+_package_deb() {
+  # extract archive
+  bsdtar -xf "$_dl_filename" data.tar.*
+  bsdtar -xf data.tar.gz -C "$pkgdir/"
+  rm data.tar.gz
+
+  # move files from /lib to /opt
+  install -dm755 "$pkgdir/opt/$_pkgname"
+  mv "$pkgdir/usr/lib/mercury"/* "$pkgdir/opt/$_pkgname/"
+}
+
+_package_zip() {
+  local _depth=$(
+    bsdtar -tf "$_dl_filename" -- */mercury/mercury$ \
+      | tr -cd '/' | wc -c
+  )
+
+  # extract archive
+  install -dm755 "$pkgdir/opt/$_pkgname"
+  bsdtar --strip-components="$_depth" -C "$pkgdir/opt/$_pkgname/" -xf "$_dl_filename" '*/mercury/*'
+}
+
+# update version
+_update_version() {
+  : ${_pkgver:=${pkgver%%.r*}}
+
+  if [[ "${_autoupdate::1}" != "t" ]] ; then
+    return
+  fi
+
+  local _blacklist _response _tags _tag _pkgver_new
+
+  _blacklist=(
+    "v.121.0.2" # windows only
+  )
+  _response=$(curl -Ssf "$url/releases.atom")
+  _tags=$(
+    printf '%s' "$_response" \
+      | grep '/releases/tag/' \
+      | sed -E 's@^.*/releases/tag/(.*)".*$@\1@' \
+      | grep -Ev '[a-z]{2}'
+  )
+  for i in "${_blacklist[@]}" ; do
+    _tags=${_tags/$i}
+  done
+  _tag=$(printf '%s' "$_tags" | sort -rV | head -1)
+  _pkgver_new="${_tag#v.}"
+
+  # update _pkgver
+  if [ "$_pkgver" != "${_pkgver_new:?}" ] ; then
+    _pkgver="${_pkgver_new:?}"
+  fi
+}
+
+# execute
+_main_package
diff --git a/PKGBUILD.avx2 b/PKGBUILD.avx2
new file mode 100644
index 000000000000..be2a8b969739
--- /dev/null
+++ b/PKGBUILD.avx2
@@ -0,0 +1,237 @@
+# Maintainer:
+
+# options
+if [ -n "$_srcinfo" ] || [ -n "$_pkgver" ] ; then
+  : ${_autoupdate:=false}
+else
+  : ${_autoupdate:=true}
+fi
+
+: ${_pkgtype:=-bin}
+
+# basic info
+_pkgname="mercury-browser-avx2"
+pkgname="$_pkgname${_pkgtype:-}"
+pkgver=122.0.2
+pkgrel=1
+pkgdesc="Compiler optimized, private Firefox fork"
+url="https://github.com/Alex313031/Mercury"
+license=('MPL-2.0')
+arch=('x86_64')
+
+# main package
+_main_package() {
+  _update_version
+
+  optdepends=(
+    'ffmpeg: H264/AAC/MP3 decoding'
+    'hunspell: Spell checking'
+    'hyphen: Hyphenation'
+    'networkmanager: Location detection via available WiFi networks'
+  )
+
+  options=('!emptydirs' '!strip')
+
+  : ${_dl_filename:=${_pkgname%-avx2}_${_pkgver:?}_AVX2.deb}
+  : ${_dl_url:=$url/releases/download/v.$_pkgver/$_dl_filename}
+
+  noextract+=("$_dl_filename")
+  source=("$_dl_filename"::"$_dl_url")
+  sha256sums=('SKIP')
+}
+
+# common functions
+pkgver() {
+  echo "${_pkgver:?}"
+}
+
+prepare() {
+  # desktop
+  install -Dvm644 /dev/stdin "$_pkgname.desktop" <<END
+[Desktop Entry]
+Version=1.0
+Name=Mercury
+Comment=Browse the World Wide Web
+GenericName=Web Browser
+Keywords=Internet;WWW;Browser;Web;Explorer;Mercury
+Exec=$_pkgname %u
+StartupWMClass=mercury-default
+Terminal=false
+X-MultipleArgs=true
+Type=Application
+Icon=$_pkgname
+Categories=GNOME;GTK;Network;WebBrowser;
+MimeType=text/html;text/xml;application/xhtml+xml;application/xml;application/rss+xml;application/rdf+xml;image/gif;image/jpeg;image/png;x-scheme-handler/http;x-scheme-handler/https;x-scheme-handler/ftp;x-scheme-handler/chrome;video/webm;application/x-xpinstall;
+StartupNotify=true
+Actions=NewWindow;NewPrivateWindow;TempUserDir;
+
+[Desktop Action NewWindow]
+Name=New Window
+Exec=$_pkgname -new-window
+
+[Desktop Action NewPrivateWindow]
+Name=New Private Window
+Exec=$_pkgname -private-window
+
+[Desktop Action TempUserDir]
+Name=Open With Temporary User Profile
+Exec=$_pkgname --temp-profile
+END
+
+  install -Dvm644 /dev/stdin "$_pkgname.sh" <<END
+#!/usr/bin/env bash
+
+# check microprocessor architecture level
+if grep -qE '\bavx2\b' /proc/cpuinfo ; then
+  _message=''
+  _message+=\$'The fastest Firefox fork on Earth.'
+else
+  _message=''
+  _message+=\$'Your processor does not support AVX2 instructions.\n'
+  _message+=\$'mercury-browser may not work on your computer.'
+fi
+
+# Allow users to override command-line options
+XDG_CONFIG_HOME=\${XDG_CONFIG_HOME:-~/.config}
+_FLAGFILE="\$XDG_CONFIG_HOME/mercury-flags.conf"
+if [[ -f "\$_FLAGFILE" ]]; then
+  _USER_FLAGS=\$(cat "\$_FLAGFILE")
+fi
+
+# display processor support message
+if tty -s ; then
+  echo "\$_message"
+else
+  [ ! -e "\$HOME/.mercury" ] && notify-send -a "mercury-browser" -t 7500 "\$_message"
+fi
+
+# Launch
+exec /opt/$_pkgname/mercury \$_USER_FLAGS "\$@"
+END
+}
+
+package() {
+  provides=("$_pkgname=${pkgver%%.r*}")
+  conflicts=("$_pkgname")
+
+  depends+=(
+    'alsa-lib'
+    'dbus-glib'
+    'gtk3'
+    'libnotify' # notify-send
+
+    ## implicit
+    #at-spi2-core
+    #cairo
+    #dbus
+    #fontconfig
+    #freetype2
+    #gcc-libs
+    #gdk-pixbuf2
+    #glib2
+    #glibc
+    #libx11
+    #libxcb
+    #libxcomposite
+    #libxcursor
+    #libxdamage
+    #libxext
+    #libxfixes
+    #libxi
+    #libxrandr
+    #libxrender
+    #pango
+  )
+
+  local _filetype="zip"
+  if bsdtar -xf "$_dl_filename" -- data.tar.* &> /dev/null ; then
+    _filetype="deb"
+  fi
+
+  if [[ "${_filetype::1}" == 'z' ]] ; then
+    _package_zip
+  else
+    _package_deb
+  fi
+
+  # script
+  \rm -rf "$pkgdir/usr/bin/mercury-browser"
+  install -Dm755 "$_pkgname.sh" "$pkgdir/usr/bin/$_pkgname"
+
+  # icon
+  install -Dm644 "$pkgdir/opt/$_pkgname/browser/chrome/icons/default/default128.png" "$pkgdir/usr/share/pixmaps/$_pkgname.png"  
+
+  # .desktop
+  \rm -rf "$pkgdir/usr/share/applications/mercury-browser.desktop"
+  install -Dm644 "$_pkgname.desktop" "$pkgdir/usr/share/applications/$_pkgname.desktop"
+
+  # symlink duplicate file
+  ln -sf "/usr/bin/$_pkgname" "$pkgdir/opt/$_pkgname/mercury-bin"
+
+  # remove unnecessary folders
+  \rm -rf "$pkgdir/usr/lib/"
+  \rm -rf "$pkgdir/usr/share/doc/"
+  \rm -rf "$pkgdir/usr/share/icons"
+  \rm -rf "$pkgdir/usr/share/lintian/"
+  \rm -rf "$pkgdir/usr/share/man/"
+
+  # fix permissions
+  chmod -R u+rwX,go+rX,go-w "$pkgdir/"
+}
+
+_package_deb() {
+  # extract archive
+  bsdtar -xf "$_dl_filename" data.tar.*
+  bsdtar -xf data.tar.gz -C "$pkgdir/"
+  rm data.tar.gz
+
+  # move files from /lib to /opt
+  install -dm755 "$pkgdir/opt/$_pkgname"
+  mv "$pkgdir/usr/lib/mercury"/* "$pkgdir/opt/$_pkgname/"
+}
+
+_package_zip() {
+  local _depth=$(
+    bsdtar -tf "$_dl_filename" -- */mercury/mercury$ \
+      | tr -cd '/' | wc -c
+  )
+
+  # extract archive
+  install -dm755 "$pkgdir/opt/$_pkgname"
+  bsdtar --strip-components="$_depth" -C "$pkgdir/opt/$_pkgname/" -xf "$_dl_filename" '*/mercury/*'
+}
+
+# update version
+_update_version() {
+  : ${_pkgver:=${pkgver%%.r*}}
+
+  if [[ "${_autoupdate::1}" != "t" ]] ; then
+    return
+  fi
+
+  local _blacklist _response _tags _tag _pkgver_new
+
+  _blacklist=(
+    "v.121.0.2" # windows only
+  )
+  _response=$(curl -Ssf "$url/releases.atom")
+  _tags=$(
+    printf '%s' "$_response" \
+      | grep '/releases/tag/' \
+      | sed -E 's@^.*/releases/tag/(.*)".*$@\1@' \
+      | grep -Ev '[a-z]{2}'
+  )
+  for i in "${_blacklist[@]}" ; do
+    _tags=${_tags/$i}
+  done
+  _tag=$(printf '%s' "$_tags" | sort -rV | head -1)
+  _pkgver_new="${_tag#v.}"
+
+  # update _pkgver
+  if [ "$_pkgver" != "${_pkgver_new:?}" ] ; then
+    _pkgver="${_pkgver_new:?}"
+  fi
+}
+
+# execute
+_main_package
diff --git a/PKGBUILD.sse3 b/PKGBUILD.sse3
new file mode 100644
index 000000000000..44125f99c583
--- /dev/null
+++ b/PKGBUILD.sse3
@@ -0,0 +1,237 @@
+# Maintainer:
+
+# options
+if [ -n "$_srcinfo" ] || [ -n "$_pkgver" ] ; then
+  : ${_autoupdate:=false}
+else
+  : ${_autoupdate:=true}
+fi
+
+: ${_pkgtype:=-bin}
+
+# basic info
+_pkgname="mercury-browser-sse3"
+pkgname="$_pkgname${_pkgtype:-}"
+pkgver=122.0.2
+pkgrel=1
+pkgdesc="Compiler optimized, private Firefox fork"
+url="https://github.com/Alex313031/Mercury"
+license=('MPL-2.0')
+arch=('x86_64')
+
+# main package
+_main_package() {
+  _update_version
+
+  optdepends=(
+    'ffmpeg: H264/AAC/MP3 decoding'
+    'hunspell: Spell checking'
+    'hyphen: Hyphenation'
+    'networkmanager: Location detection via available WiFi networks'
+  )
+
+  options=('!emptydirs' '!strip')
+
+  : ${_dl_filename:=${_pkgname%-sse3}_${_pkgver:?}_SSE3.deb}
+  : ${_dl_url:=$url/releases/download/v.$_pkgver/$_dl_filename}
+
+  noextract+=("$_dl_filename")
+  source=("$_dl_filename"::"$_dl_url")
+  sha256sums=('SKIP')
+}
+
+# common functions
+pkgver() {
+  echo "${_pkgver:?}"
+}
+
+prepare() {
+  # desktop
+  install -Dvm644 /dev/stdin "$_pkgname.desktop" <<END
+[Desktop Entry]
+Version=1.0
+Name=Mercury
+Comment=Browse the World Wide Web
+GenericName=Web Browser
+Keywords=Internet;WWW;Browser;Web;Explorer;Mercury
+Exec=$_pkgname %u
+StartupWMClass=mercury-default
+Terminal=false
+X-MultipleArgs=true
+Type=Application
+Icon=$_pkgname
+Categories=GNOME;GTK;Network;WebBrowser;
+MimeType=text/html;text/xml;application/xhtml+xml;application/xml;application/rss+xml;application/rdf+xml;image/gif;image/jpeg;image/png;x-scheme-handler/http;x-scheme-handler/https;x-scheme-handler/ftp;x-scheme-handler/chrome;video/webm;application/x-xpinstall;
+StartupNotify=true
+Actions=NewWindow;NewPrivateWindow;TempUserDir;
+
+[Desktop Action NewWindow]
+Name=New Window
+Exec=$_pkgname -new-window
+
+[Desktop Action NewPrivateWindow]
+Name=New Private Window
+Exec=$_pkgname -private-window
+
+[Desktop Action TempUserDir]
+Name=Open With Temporary User Profile
+Exec=$_pkgname --temp-profile
+END
+
+  install -Dvm644 /dev/stdin "$_pkgname.sh" <<END
+#!/usr/bin/env bash
+
+# check microprocessor architecture level
+if grep -qE '\bpni\b' /proc/cpuinfo ; then
+  _message=''
+  _message+=\$'The fastest Firefox fork on Earth.'
+else
+  _message=''
+  _message+=\$'Your processor does not support SSE3 instructions.\n'
+  _message+=\$'mercury-browser may not work on your computer.'
+fi
+
+# Allow users to override command-line options
+XDG_CONFIG_HOME=\${XDG_CONFIG_HOME:-~/.config}
+_FLAGFILE="\$XDG_CONFIG_HOME/mercury-flags.conf"
+if [[ -f "\$_FLAGFILE" ]]; then
+  _USER_FLAGS=\$(cat "\$_FLAGFILE")
+fi
+
+# display processor support message
+if tty -s ; then
+  echo "\$_message"
+else
+  [ ! -e "\$HOME/.mercury" ] && notify-send -a "mercury-browser" -t 7500 "\$_message"
+fi
+
+# Launch
+exec /opt/$_pkgname/mercury \$_USER_FLAGS "\$@"
+END
+}
+
+package() {
+  provides=("$_pkgname=${pkgver%%.r*}")
+  conflicts=("$_pkgname")
+
+  depends+=(
+    'alsa-lib'
+    'dbus-glib'
+    'gtk3'
+    'libnotify' # notify-send
+
+    ## implicit
+    #at-spi2-core
+    #cairo
+    #dbus
+    #fontconfig
+    #freetype2
+    #gcc-libs
+    #gdk-pixbuf2
+    #glib2
+    #glibc
+    #libx11
+    #libxcb
+    #libxcomposite
+    #libxcursor
+    #libxdamage
+    #libxext
+    #libxfixes
+    #libxi
+    #libxrandr
+    #libxrender
+    #pango
+  )
+
+  local _filetype="zip"
+  if bsdtar -xf "$_dl_filename" -- data.tar.* &> /dev/null ; then
+    _filetype="deb"
+  fi
+
+  if [[ "${_filetype::1}" == 'z' ]] ; then
+    _package_zip
+  else
+    _package_deb
+  fi
+
+  # script
+  \rm -rf "$pkgdir/usr/bin/mercury-browser"
+  install -Dm755 "$_pkgname.sh" "$pkgdir/usr/bin/$_pkgname"
+
+  # icon
+  install -Dm644 "$pkgdir/opt/$_pkgname/browser/chrome/icons/default/default128.png" "$pkgdir/usr/share/pixmaps/$_pkgname.png"  
+
+  # .desktop
+  \rm -rf "$pkgdir/usr/share/applications/mercury-browser.desktop"
+  install -Dm644 "$_pkgname.desktop" "$pkgdir/usr/share/applications/$_pkgname.desktop"
+
+  # symlink duplicate file
+  ln -sf "/usr/bin/$_pkgname" "$pkgdir/opt/$_pkgname/mercury-bin"
+
+  # remove unnecessary folders
+  \rm -rf "$pkgdir/usr/lib/"
+  \rm -rf "$pkgdir/usr/share/doc/"
+  \rm -rf "$pkgdir/usr/share/icons"
+  \rm -rf "$pkgdir/usr/share/lintian/"
+  \rm -rf "$pkgdir/usr/share/man/"
+
+  # fix permissions
+  chmod -R u+rwX,go+rX,go-w "$pkgdir/"
+}
+
+_package_deb() {
+  # extract archive
+  bsdtar -xf "$_dl_filename" data.tar.*
+  bsdtar -xf data.tar.gz -C "$pkgdir/"
+  rm data.tar.gz
+
+  # move files from /lib to /opt
+  install -dm755 "$pkgdir/opt/$_pkgname"
+  mv "$pkgdir/usr/lib/mercury"/* "$pkgdir/opt/$_pkgname/"
+}
+
+_package_zip() {
+  local _depth=$(
+    bsdtar -tf "$_dl_filename" -- */mercury/mercury$ \
+      | tr -cd '/' | wc -c
+  )
+
+  # extract archive
+  install -dm755 "$pkgdir/opt/$_pkgname"
+  bsdtar --strip-components="$_depth" -C "$pkgdir/opt/$_pkgname/" -xf "$_dl_filename" '*/mercury/*'
+}
+
+# update version
+_update_version() {
+  : ${_pkgver:=${pkgver%%.r*}}
+
+  if [[ "${_autoupdate::1}" != "t" ]] ; then
+    return
+  fi
+
+  local _blacklist _response _tags _tag _pkgver_new
+
+  _blacklist=(
+    "v.121.0.2" # windows only
+  )
+  _response=$(curl -Ssf "$url/releases.atom")
+  _tags=$(
+    printf '%s' "$_response" \
+      | grep '/releases/tag/' \
+      | sed -E 's@^.*/releases/tag/(.*)".*$@\1@' \
+      | grep -Ev '[a-z]{2}'
+  )
+  for i in "${_blacklist[@]}" ; do
+    _tags=${_tags/$i}
+  done
+  _tag=$(printf '%s' "$_tags" | sort -rV | head -1)
+  _pkgver_new="${_tag#v.}"
+
+  # update _pkgver
+  if [ "$_pkgver" != "${_pkgver_new:?}" ] ; then
+    _pkgver="${_pkgver_new:?}"
+  fi
+}
+
+# execute
+_main_package
diff --git a/PKGBUILD.sse4 b/PKGBUILD.sse4
new file mode 100644
index 000000000000..bb486cc0b31b
--- /dev/null
+++ b/PKGBUILD.sse4
@@ -0,0 +1,237 @@
+# Maintainer:
+
+# options
+if [ -n "$_srcinfo" ] || [ -n "$_pkgver" ] ; then
+  : ${_autoupdate:=false}
+else
+  : ${_autoupdate:=true}
+fi
+
+: ${_pkgtype:=-bin}
+
+# basic info
+_pkgname="mercury-browser-sse4"
+pkgname="$_pkgname${_pkgtype:-}"
+pkgver=122.0.2
+pkgrel=1
+pkgdesc="Compiler optimized, private Firefox fork"
+url="https://github.com/Alex313031/Mercury"
+license=('MPL-2.0')
+arch=('x86_64')
+
+# main package
+_main_package() {
+  _update_version
+
+  optdepends=(
+    'ffmpeg: H264/AAC/MP3 decoding'
+    'hunspell: Spell checking'
+    'hyphen: Hyphenation'
+    'networkmanager: Location detection via available WiFi networks'
+  )
+
+  options=('!emptydirs' '!strip')
+
+  : ${_dl_filename:=${_pkgname%-sse4}_${_pkgver:?}_SSE4.deb}
+  : ${_dl_url:=$url/releases/download/v.$_pkgver/$_dl_filename}
+
+  noextract+=("$_dl_filename")
+  source=("$_dl_filename"::"$_dl_url")
+  sha256sums=('SKIP')
+}
+
+# common functions
+pkgver() {
+  echo "${_pkgver:?}"
+}
+
+prepare() {
+  # desktop
+  install -Dvm644 /dev/stdin "$_pkgname.desktop" <<END
+[Desktop Entry]
+Version=1.0
+Name=Mercury
+Comment=Browse the World Wide Web
+GenericName=Web Browser
+Keywords=Internet;WWW;Browser;Web;Explorer;Mercury
+Exec=$_pkgname %u
+StartupWMClass=mercury-default
+Terminal=false
+X-MultipleArgs=true
+Type=Application
+Icon=$_pkgname
+Categories=GNOME;GTK;Network;WebBrowser;
+MimeType=text/html;text/xml;application/xhtml+xml;application/xml;application/rss+xml;application/rdf+xml;image/gif;image/jpeg;image/png;x-scheme-handler/http;x-scheme-handler/https;x-scheme-handler/ftp;x-scheme-handler/chrome;video/webm;application/x-xpinstall;
+StartupNotify=true
+Actions=NewWindow;NewPrivateWindow;TempUserDir;
+
+[Desktop Action NewWindow]
+Name=New Window
+Exec=$_pkgname -new-window
+
+[Desktop Action NewPrivateWindow]
+Name=New Private Window
+Exec=$_pkgname -private-window
+
+[Desktop Action TempUserDir]
+Name=Open With Temporary User Profile
+Exec=$_pkgname --temp-profile
+END
+
+  install -Dvm644 /dev/stdin "$_pkgname.sh" <<END
+#!/usr/bin/env bash
+
+# check microprocessor architecture level
+if grep -qE '\bsse4_[0-9]\b' /proc/cpuinfo ; then
+  _message=''
+  _message+=\$'The fastest Firefox fork on Earth.'
+else
+  _message=''
+  _message+=\$'Your processor does not support SSE4 instructions.\n'
+  _message+=\$'mercury-browser may not work on your computer.'
+fi
+
+# Allow users to override command-line options
+XDG_CONFIG_HOME=\${XDG_CONFIG_HOME:-~/.config}
+_FLAGFILE="\$XDG_CONFIG_HOME/mercury-flags.conf"
+if [[ -f "\$_FLAGFILE" ]]; then
+  _USER_FLAGS=\$(cat "\$_FLAGFILE")
+fi
+
+# display processor support message
+if tty -s ; then
+  echo "\$_message"
+else
+  [ ! -e "\$HOME/.mercury" ] && notify-send -a "mercury-browser" -t 7500 "\$_message"
+fi
+
+# Launch
+exec /opt/$_pkgname/mercury \$_USER_FLAGS "\$@"
+END
+}
+
+package() {
+  provides=("$_pkgname=${pkgver%%.r*}")
+  conflicts=("$_pkgname")
+
+  depends+=(
+    'alsa-lib'
+    'dbus-glib'
+    'gtk3'
+    'libnotify' # notify-send
+
+    ## implicit
+    #at-spi2-core
+    #cairo
+    #dbus
+    #fontconfig
+    #freetype2
+    #gcc-libs
+    #gdk-pixbuf2
+    #glib2
+    #glibc
+    #libx11
+    #libxcb
+    #libxcomposite
+    #libxcursor
+    #libxdamage
+    #libxext
+    #libxfixes
+    #libxi
+    #libxrandr
+    #libxrender
+    #pango
+  )
+
+  local _filetype="zip"
+  if bsdtar -xf "$_dl_filename" -- data.tar.* &> /dev/null ; then
+    _filetype="deb"
+  fi
+
+  if [[ "${_filetype::1}" == 'z' ]] ; then
+    _package_zip
+  else
+    _package_deb
+  fi
+
+  # script
+  \rm -rf "$pkgdir/usr/bin/mercury-browser"
+  install -Dm755 "$_pkgname.sh" "$pkgdir/usr/bin/$_pkgname"
+
+  # icon
+  install -Dm644 "$pkgdir/opt/$_pkgname/browser/chrome/icons/default/default128.png" "$pkgdir/usr/share/pixmaps/$_pkgname.png"  
+
+  # .desktop
+  \rm -rf "$pkgdir/usr/share/applications/mercury-browser.desktop"
+  install -Dm644 "$_pkgname.desktop" "$pkgdir/usr/share/applications/$_pkgname.desktop"
+
+  # symlink duplicate file
+  ln -sf "/usr/bin/$_pkgname" "$pkgdir/opt/$_pkgname/mercury-bin"
+
+  # remove unnecessary folders
+  \rm -rf "$pkgdir/usr/lib/"
+  \rm -rf "$pkgdir/usr/share/doc/"
+  \rm -rf "$pkgdir/usr/share/icons"
+  \rm -rf "$pkgdir/usr/share/lintian/"
+  \rm -rf "$pkgdir/usr/share/man/"
+
+  # fix permissions
+  chmod -R u+rwX,go+rX,go-w "$pkgdir/"
+}
+
+_package_deb() {
+  # extract archive
+  bsdtar -xf "$_dl_filename" data.tar.*
+  bsdtar -xf data.tar.gz -C "$pkgdir/"
+  rm data.tar.gz
+
+  # move files from /lib to /opt
+  install -dm755 "$pkgdir/opt/$_pkgname"
+  mv "$pkgdir/usr/lib/mercury"/* "$pkgdir/opt/$_pkgname/"
+}
+
+_package_zip() {
+  local _depth=$(
+    bsdtar -tf "$_dl_filename" -- */mercury/mercury$ \
+      | tr -cd '/' | wc -c
+  )
+
+  # extract archive
+  install -dm755 "$pkgdir/opt/$_pkgname"
+  bsdtar --strip-components="$_depth" -C "$pkgdir/opt/$_pkgname/" -xf "$_dl_filename" '*/mercury/*'
+}
+
+# update version
+_update_version() {
+  : ${_pkgver:=${pkgver%%.r*}}
+
+  if [[ "${_autoupdate::1}" != "t" ]] ; then
+    return
+  fi
+
+  local _blacklist _response _tags _tag _pkgver_new
+
+  _blacklist=(
+    "v.121.0.2" # windows only
+  )
+  _response=$(curl -Ssf "$url/releases.atom")
+  _tags=$(
+    printf '%s' "$_response" \
+      | grep '/releases/tag/' \
+      | sed -E 's@^.*/releases/tag/(.*)".*$@\1@' \
+      | grep -Ev '[a-z]{2}'
+  )
+  for i in "${_blacklist[@]}" ; do
+    _tags=${_tags/$i}
+  done
+  _tag=$(printf '%s' "$_tags" | sort -rV | head -1)
+  _pkgver_new="${_tag#v.}"
+
+  # update _pkgver
+  if [ "$_pkgver" != "${_pkgver_new:?}" ] ; then
+    _pkgver="${_pkgver_new:?}"
+  fi
+}
+
+# execute
+_main_package