diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 99a4c42..2c8049e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,14 +7,11 @@ jobs:
     runs-on: ubuntu-latest
     name: Build
     steps:
-    - name: Checkout the latest commit
-      uses: actions/checkout@v2
-    - name: Install dependencies
-      run: bash -ex ./script/bootstrap_action
-    - name: Build fonts
-      run: bash -e ./script/build
-    - name: Upload built fonts
-      uses: actions/upload-artifact@v2
+    - uses: actions/checkout@v2
+    - run: echo "FIRA_CODE_VERSION=$(python3 ./script/version.py)" >> $GITHUB_ENV
+    - run: ./script/bootstrap_linux.sh
+    - run: ./script/build.sh
+    - uses: actions/upload-artifact@v2
       with:
-        name: Fira_Code
+        name: Fira_Code_v${{ env.FIRA_CODE_VERSION }}
         path: distr
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index df16350..22548fc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,9 +4,15 @@ FiraCode_mess.glyphs
 target
 clojure/*.edn
 FiraCode\ (Autosaved).glyphs
+FiraCode_VF.glyphs
 .cpcache
 master_ufo
 instance_ufo
 venv
 .DS_Store
-*.numbers
\ No newline at end of file
+*.numbers
+distr/ttf
+distr/otf
+distr/woff
+distr/woff2
+distr/variable_ttf
\ No newline at end of file
diff --git a/distr/ttf/FiraCode-Bold.ttf b/distr/ttf/FiraCode-Bold.ttf
deleted file mode 100644
index 39265a1..0000000
Binary files a/distr/ttf/FiraCode-Bold.ttf and /dev/null differ
diff --git a/distr/ttf/FiraCode-Light.ttf b/distr/ttf/FiraCode-Light.ttf
deleted file mode 100644
index ed3258e..0000000
Binary files a/distr/ttf/FiraCode-Light.ttf and /dev/null differ
diff --git a/distr/ttf/FiraCode-Medium.ttf b/distr/ttf/FiraCode-Medium.ttf
deleted file mode 100644
index 2cad018..0000000
Binary files a/distr/ttf/FiraCode-Medium.ttf and /dev/null differ
diff --git a/distr/ttf/FiraCode-Regular.ttf b/distr/ttf/FiraCode-Regular.ttf
deleted file mode 100644
index 0d57068..0000000
Binary files a/distr/ttf/FiraCode-Regular.ttf and /dev/null differ
diff --git a/distr/ttf/FiraCode-Retina.ttf b/distr/ttf/FiraCode-Retina.ttf
deleted file mode 100644
index 248d36b..0000000
Binary files a/distr/ttf/FiraCode-Retina.ttf and /dev/null differ
diff --git a/distr/ttf/FiraCode-SemiBold.ttf b/distr/ttf/FiraCode-SemiBold.ttf
deleted file mode 100644
index 56a8016..0000000
Binary files a/distr/ttf/FiraCode-SemiBold.ttf and /dev/null differ
diff --git a/distr/variable_ttf/FiraCode-VF.ttf b/distr/variable_ttf/FiraCode-VF.ttf
deleted file mode 100644
index fd59413..0000000
Binary files a/distr/variable_ttf/FiraCode-VF.ttf and /dev/null differ
diff --git a/distr/woff/FiraCode-Bold.woff b/distr/woff/FiraCode-Bold.woff
deleted file mode 100644
index d7c2099..0000000
Binary files a/distr/woff/FiraCode-Bold.woff and /dev/null differ
diff --git a/distr/woff/FiraCode-Light.woff b/distr/woff/FiraCode-Light.woff
deleted file mode 100644
index 9e99c41..0000000
Binary files a/distr/woff/FiraCode-Light.woff and /dev/null differ
diff --git a/distr/woff/FiraCode-Medium.woff b/distr/woff/FiraCode-Medium.woff
deleted file mode 100644
index 4ffa82d..0000000
Binary files a/distr/woff/FiraCode-Medium.woff and /dev/null differ
diff --git a/distr/woff/FiraCode-Regular.woff b/distr/woff/FiraCode-Regular.woff
deleted file mode 100644
index 01a6bfc..0000000
Binary files a/distr/woff/FiraCode-Regular.woff and /dev/null differ
diff --git a/distr/woff/FiraCode-SemiBold.woff b/distr/woff/FiraCode-SemiBold.woff
deleted file mode 100644
index a46df49..0000000
Binary files a/distr/woff/FiraCode-SemiBold.woff and /dev/null differ
diff --git a/distr/woff/FiraCode-VF.woff b/distr/woff/FiraCode-VF.woff
deleted file mode 100644
index f7ac814..0000000
Binary files a/distr/woff/FiraCode-VF.woff and /dev/null differ
diff --git a/distr/woff2/FiraCode-Bold.woff2 b/distr/woff2/FiraCode-Bold.woff2
deleted file mode 100644
index b76a82d..0000000
Binary files a/distr/woff2/FiraCode-Bold.woff2 and /dev/null differ
diff --git a/distr/woff2/FiraCode-Light.woff2 b/distr/woff2/FiraCode-Light.woff2
deleted file mode 100644
index 5084487..0000000
Binary files a/distr/woff2/FiraCode-Light.woff2 and /dev/null differ
diff --git a/distr/woff2/FiraCode-Medium.woff2 b/distr/woff2/FiraCode-Medium.woff2
deleted file mode 100644
index f5b273d..0000000
Binary files a/distr/woff2/FiraCode-Medium.woff2 and /dev/null differ
diff --git a/distr/woff2/FiraCode-Regular.woff2 b/distr/woff2/FiraCode-Regular.woff2
deleted file mode 100644
index c856e7b..0000000
Binary files a/distr/woff2/FiraCode-Regular.woff2 and /dev/null differ
diff --git a/distr/woff2/FiraCode-SemiBold.woff2 b/distr/woff2/FiraCode-SemiBold.woff2
deleted file mode 100644
index 7fa2ac3..0000000
Binary files a/distr/woff2/FiraCode-SemiBold.woff2 and /dev/null differ
diff --git a/distr/woff2/FiraCode-VF.woff2 b/distr/woff2/FiraCode-VF.woff2
deleted file mode 100644
index 64ffe43..0000000
Binary files a/distr/woff2/FiraCode-VF.woff2 and /dev/null differ
diff --git a/script/bootstrap_action b/script/bootstrap_linux.sh
old mode 100644
new mode 100755
similarity index 85%
rename from script/bootstrap_action
rename to script/bootstrap_linux.sh
index 5c1f977..6204fa8
--- a/script/bootstrap_action
+++ b/script/bootstrap_linux.sh
@@ -1,4 +1,6 @@
-#! /bin/bash -ex
+#!/bin/bash
+set -o errexit -o nounset -o pipefail
+cd "`dirname $0`/.."
 
 sudo apt update
 sudo apt install -y python3.8 python3-setuptools python3.8-dev pkg-config zlib1g ttfautohint woff2 sfnt2woff-zopfli
diff --git a/script/bootstrap b/script/bootstrap_macos.sh
similarity index 85%
rename from script/bootstrap
rename to script/bootstrap_macos.sh
index 91244cf..ab001c7 100755
--- a/script/bootstrap
+++ b/script/bootstrap_macos.sh
@@ -1,4 +1,6 @@
-#! /bin/bash -ex
+#!/bin/bash
+set -o errexit -o nounset -o pipefail
+cd "`dirname $0`/.."
 
 sudo easy_install-3.8 pip
 pip install virtualenv --user
diff --git a/script/build b/script/build
deleted file mode 100755
index b9ccf35..0000000
--- a/script/build
+++ /dev/null
@@ -1,90 +0,0 @@
-#!/bin/bash -e
-
-[ -d venv ] && source venv/bin/activate
-
-# ============================================================================
-# VARIABLE FONT ==============================================================
-
-# variable font
-firaCodeVF=distr/variable_ttf/FiraCode-VF.ttf
-
-rm -rf $firaCodeVF
-fontmake -g FiraCode.glyphs -o variable --output-dir distr/variable_ttf
-
-# fix variable font metadata – very important
-gftools fix-vf-meta $firaCodeVF
-mv $firaCodeVF.fix $firaCodeVF
-
-# other fixes for metadata and hinting
-gftools fix-nonhinting $firaCodeVF $firaCodeVF
-gftools fix-gasp --autofix $firaCodeVF
-mv $firaCodeVF.fix $firaCodeVF
-
-gftools fix-dsig --autofix $firaCodeVF
-
-# cleanup of temp files
-rm -rf distr/variable_ttf/*-gasp*
-
-# TODO (late 2019?): use TTFautohint-VF for variable font (current support is minimal)
-
-# ============================================================================
-# STATIC FONTS ===============================================================
-
-rm -rf distr/ttf
-fontmake -g FiraCode.glyphs -o ttf --output-dir distr/ttf -i
-
-rm -rf distr/otf
-fontmake -g FiraCode.glyphs -o otf --output-dir distr/otf -i
-
-# -------------------------------------------------------------
-# Autohinting -------------------------------------------------
-
-statics=$(ls distr/ttf/*.ttf)
-for file in $statics; do 
-    echo "fix DSIG in " ${file}
-    gftools fix-dsig --autofix ${file}
-
-    echo "TTFautohint " ${file}
-    # autohint with detailed info
-    hintedFile=${file/".ttf"/"-hinted.ttf"}
-    ttfautohint -I ${file} ${hintedFile} --stem-width-mode nnn --composites --windows-compatibility
-    cp ${hintedFile} ${file}
-    rm -rf ${hintedFile}
-done
-
-
-# ============================================================================
-# Build woff2 fonts ==========================================================
-
-# requires woff2_compress (get from https://github.com/bramstein/homebrew-webfonttools)
-
-rm -rf distr/woff2
-
-ttfs=$(ls distr/*/*.ttf)
-for ttf in $ttfs; do
-    woff2_compress $ttf
-done
-
-mkdir -p distr/woff2
-woff2s=$(ls distr/*/*.woff2)
-for woff2 in $woff2s; do
-    mv $woff2 distr/woff2/$(basename $woff2)
-done
-
-# ============================================================================
-# Build woff fonts ===========================================================
-
-# requires sfnt2woff-zopfli (get from https://github.com/bramstein/homebrew-webfonttools)
-
-rm -rf distr/woff
-
-ttfs=$(ls distr/*/*.ttf)
-for ttf in $ttfs; do
-    sfnt2woff-zopfli $ttf
-done
-
-mkdir -p distr/woff
-woffs=$(ls distr/*/*.woff)
-for woff in $woffs; do
-    mv $woff distr/woff/$(basename $woff)
-done
diff --git a/script/build.sh b/script/build.sh
new file mode 100755
index 0000000..8116b7d
--- /dev/null
+++ b/script/build.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+set -o errexit -o nounset -o pipefail
+cd "`dirname $0`"
+
+./build_ttf.sh
+./build_variable.sh
+./build_woff2.sh
+./build_woff.sh
\ No newline at end of file
diff --git a/script/build_ttf b/script/build_ttf.sh
similarity index 85%
rename from script/build_ttf
rename to script/build_ttf.sh
index b40c2e8..ef9a534 100755
--- a/script/build_ttf
+++ b/script/build_ttf.sh
@@ -1,6 +1,9 @@
-#!/bin/bash -euo pipefail
-
+#!/bin/bash
+set -o errexit -o nounset -o pipefail
+cd "`dirname $0`/.."
 [ -d venv ] && source venv/bin/activate
+mkdir -p distr/ttf
+rm -rf distr/ttf/*
 
 args=( "$@" )
 default_weights=( "Light" "Regular" "Retina" "Medium" "SemiBold" "Bold" )
diff --git a/script/build_variable b/script/build_variable.sh
similarity index 59%
rename from script/build_variable
rename to script/build_variable.sh
index 30d33bc..0915b76 100755
--- a/script/build_variable
+++ b/script/build_variable.sh
@@ -1,16 +1,17 @@
-#!/bin/bash -euo pipefail
-
+#!/bin/bash
+set -o errexit -o nounset -o pipefail
 cd "`dirname $0`/.."
-
 [ -d venv ] && source venv/bin/activate
+mkdir -p distr/variable_ttf
+rm -rf distr/variable_ttf/*
 
-DIR=distr/variable_ttf
 FILE=FiraCode-VF.ttf
 
-rm -rf $DIR/$FILE
-fontmake -g FiraCode.glyphs -o variable --output-dir $DIR
+awk '/name = Retina;/ { print; print "exports = 0;"; next }1' FiraCode.glyphs > FiraCode_VF.glyphs
+fontmake -g FiraCode_VF.glyphs -o variable --output-dir distr/variable_ttf
+rm FiraCode_VF.glyphs
 
-cd distr/variable_ttf
+pushd distr/variable_ttf
 
 # fix variable font metadata – very important
 gftools fix-vf-meta $FILE
@@ -29,3 +30,5 @@ gftools fix-dsig --autofix $FILE
 rm -rf *-gasp.ttf
 
 # TODO (late 2019?): use TTFautohint-VF for variable font (current support is minimal)
+
+popd
\ No newline at end of file
diff --git a/script/build_woff b/script/build_woff.sh
similarity index 79%
rename from script/build_woff
rename to script/build_woff.sh
index 1a2af18..3ec4b09 100755
--- a/script/build_woff
+++ b/script/build_woff.sh
@@ -1,10 +1,11 @@
-#!/bin/bash -euo pipefail
-# requires sfnt2woff-zopfli (get from https://github.com/bramstein/homebrew-webfonttools)
-
+#!/bin/bash
+set -o errexit -o nounset -o pipefail
 cd "`dirname $0`/.."
 [ -d venv ] && source venv/bin/activate
+mkdir -p distr/woff
+rm -rf distr/woff/*
 
-rm -rf distr/*/*.woff
+# requires sfnt2woff-zopfli (get from https://github.com/bramstein/homebrew-webfonttools)
 
 ttfs=$(ls distr/*/*.ttf)
 for ttf in $ttfs; do
diff --git a/script/build_woff2 b/script/build_woff2.sh
similarity index 77%
rename from script/build_woff2
rename to script/build_woff2.sh
index 87f291b..1625503 100755
--- a/script/build_woff2
+++ b/script/build_woff2.sh
@@ -1,10 +1,11 @@
-#!/bin/bash -euo pipefail
-# requires woff2_compress (get from https://github.com/bramstein/homebrew-webfonttools)
-
+#!/bin/bash
+set -o errexit -o nounset -o pipefail
 cd "`dirname $0`/.."
 [ -d venv ] && source venv/bin/activate
+mkdir -p distr/woff2
+rm -rf distr/woff2/*
 
-rm -rf distr/*/*.woff2
+# requires woff2_compress (get from https://github.com/bramstein/homebrew-webfonttools)
 
 ttfs=$(ls distr/*/*.ttf)
 for ttf in $ttfs; do
diff --git a/script/clean.sh b/script/clean.sh
new file mode 100755
index 0000000..62a1886
--- /dev/null
+++ b/script/clean.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+set -o errexit -o nounset -o pipefail
+cd "`dirname $0`/.."
+
+rm -rf distr/ttf
+rm -rf distr/variable_ttf
+rm -rf distr/woff2
+rm -rf distr/woff
\ No newline at end of file
diff --git a/script/version.py b/script/version.py
new file mode 100755
index 0000000..5ced59e
--- /dev/null
+++ b/script/version.py
@@ -0,0 +1,18 @@
+#! /usr/bin/env python3
+
+import os, re, subprocess, sys
+
+def revision():
+  os.chdir(os.path.abspath(os.path.dirname(__file__) + '/..'))
+  desc = subprocess.check_output(["git", "describe", "--tags"], cwd = os.path.dirname(__file__)).decode("utf-8") 
+  match = re.match("([0-9.]+)-([0-9]+)-[a-z0-9]+", desc)
+  if match:
+    return match.group(1) + "." + match.group(2)
+  match = re.match("([0-9]+.[0-9]+).0", desc)
+  if match:
+    return match.group(1) + ".0"
+  raise Exception("Can’t parse revision: " + desc)
+
+if __name__ == '__main__':
+  print(revision())
+  sys.exit(0)
\ No newline at end of file