Migrate to Iosevka Charon

Author: jul-sh

.github/workflows/build.yaml

@@ -9,25 +9,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.11
-      uses: actions/setup-python@v6
       with:
-        python-version: "3.11"
+        submodules: recursive
+    - name: Install Nix
+      uses: DeterminateSystems/nix-installer-action@v14
+    - name: Nix cache
+      uses: DeterminateSystems/magic-nix-cache-action@v7
     - name: Setup fontspector
       uses: fonttools/setup-fontspector@main
       env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-    - name: Install toolset
-      run: |
-        sudo apt-get update
-        sudo apt-get install ttfautohint libcairo2-dev python3-cairo-dev pkg-config python3-dev
-        sudo snap install yq
-    - uses: actions/cache@v4
-      with:
-        path: ./venv/
-        key: ${{ runner.os }}-venv-${{ hashFiles('**/requirements*.txt') }}
-        restore-keys: |
-          ${{ runner.os }}-venv-
     - name: Set artifact file name
       id: zip-name
       shell: bash
@@ -48,11 +39,17 @@ jobs:
     #     done
 
     - name: Build font
+      env:
+        NIX_CONFIG: "experimental-features = nix-command flakes"
       run: make build
     - name: Check with fontspector
+      env:
+        NIX_CONFIG: "experimental-features = nix-command flakes"
       run: make test
       continue-on-error: true
     - name: Generate proofs
+      env:
+        NIX_CONFIG: "experimental-features = nix-command flakes"
       run: make proof
     - name: Set up test result site
       run: cp scripts/index.html out/index.html

.gitignore

@@ -4,6 +4,10 @@ venv-test
 build.stamp
 proof
 fonts
+.venv
+out
+sources/output
+__pycache__/
 node_modules
 package-lock.json
 package.json

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "sources/iosevka"]
+	path = sources/iosevka
+	url = https://github.com/jul-sh/Iosevka.git
+	branch = gf

AUTHORS.txt

@@ -1,7 +1,9 @@
-# This is the official list of project authors for copyright purposes. The first name in the list (if there are several authors), will appear as "Principal design" in the "about" section of the font specimen on Google Fonts.
+# This is the official list of project authors for copyright purposes.
 # This file is distinct from the CONTRIBUTORS.txt file.
 # See the latter for an explanation.
 #
 # Names should be added to this file as:
 # Name or Organization <email address>
 
+Renzhi Li aka. Belleve Invis, <belleve@typeof.net>
+Juliette Pluto <git@jul.sh>

Makefile

@@ -1,60 +1,30 @@
-SOURCES=$(shell python3 scripts/read-config.py --sources )
-FAMILY=$(shell python3 scripts/read-config.py --family )
-DRAWBOT_SCRIPTS=$(shell ls documentation/*.py)
-DRAWBOT_OUTPUT=$(shell ls documentation/*.py | sed 's/\.py/.png/g')
+ENV_RUNNER := ./scripts/run-in-nix.sh
+FONTS_DIR := fonts/ttf
+REPORT_DIR := out/fontbakery
+PROOF_DIR := out/proof
 
 help:
 	@echo "###"
-	@echo "# Build targets for $(FAMILY)"
+	@echo "# Build targets for Iosevka Charon"
 	@echo "###"
 	@echo
-	@echo "  make build:  Builds the fonts and places them in the fonts/ directory"
-	@echo "  make test:   Tests the fonts with fontspector"
-	@echo "  make proof:  Creates HTML proof documents in the proof/ directory"
-	@echo "  make images: Creates PNG specimen images in the documentation/ directory"
+	@echo "  make build:  Builds the fonts inside the Nix+uv environment"
+	@echo "  make test:   Runs FontBakery checks on the built TTFs"
+	@echo "  make proof:  Generates HTML proofs via diffenator2"
 	@echo
 
-build: build.stamp
+build:
+	$(ENV_RUNNER) bash sources/build.sh
 
-venv: venv/touchfile
+test: build
+	$(ENV_RUNNER) bash sources/scripts/check_fonts.sh $(FONTS_DIR) $(REPORT_DIR)
 
-customize: venv
-	. venv/bin/activate; python3 scripts/customize.py
+proof: build
+	$(ENV_RUNNER) bash -lc 'TTF=$$(find $(FONTS_DIR) -type f -name "*.ttf"); [ -n "$$TTF" ] || { echo "No TTF files found in $(FONTS_DIR)"; exit 1; }; mkdir -p $(PROOF_DIR); gftools gen-html $$TTF --out $(PROOF_DIR)'
 
-build.stamp: venv sources/config.yaml $(SOURCES)
-	rm -rf fonts
-	(for config in sources/config*.yaml; do . venv/bin/activate; gftools builder $$config; done)  && touch build.stamp
-
-venv/touchfile: requirements.txt
-	test -d venv || python3 -m venv venv
-	. venv/bin/activate; pip install -Ur requirements.txt
-	touch venv/touchfile
-
-test: build.stamp
-	which fontspector || (echo "fontspector not found. Please install it with 'cargo install fontspector'." && exit 1)
-	TOCHECK=$$(find fonts/variable -type f 2>/dev/null); if [ -z "$$TOCHECK" ]; then TOCHECK=$$(find fonts/ttf -type f 2>/dev/null); fi ; mkdir -p out/ out/fontspector; fontspector --profile googlefonts -l warn --full-lists --succinct --html out/fontspector/fontspector-report.html --ghmarkdown out/fontspector/fontspector-report.md --badges out/badges $$TOCHECK  || echo '::warning file=sources/config.yaml,title=fontspector failures::The fontspector QA check reported errors in your font. Please check the generated report.'
-
-proof: venv build.stamp
-	TOCHECK=$$(find fonts/variable -type f 2>/dev/null); if [ -z "$$TOCHECK" ]; then TOCHECK=$$(find fonts/ttf -type f 2>/dev/null); fi ; . venv/bin/activate; mkdir -p out/ out/proof; diffenator2 proof $$TOCHECK -o out/proof
-
-images: venv $(DRAWBOT_OUTPUT)
-
-%.png: %.py build.stamp
-	. venv/bin/activate; python3 $< --output $@
+update-uv-lock:
+	$(ENV_RUNNER) bash sources/scripts/update_uv_lock.sh
 
 clean:
-	rm -rf venv
+	rm -rf fonts out build.stamp .venv
 	find . -name "*.pyc" -delete
-
-update-project-template:
-	npx update-template https://github.com/googlefonts/googlefonts-project-template/
-
-update: venv
-	venv/bin/pip install --upgrade pip-tools
-	# See https://pip-tools.readthedocs.io/en/latest/#a-note-on-resolvers for
-	# the `--resolver` flag below.
-	venv/bin/pip-compile --upgrade --verbose --resolver=backtracking requirements.in
-	venv/bin/pip-sync requirements.txt
-
-	git commit -m "Update requirements" requirements.txt
-	git push

OFL.txt

@@ -1,15 +1,20 @@
-Copyright 20** The My Font Project Authors (https://github.com/googlefonts/googlefonts-project-template)
+Copyright 2025, the Iosevka Project authors (https://github.com/be5invis/Iosevka)
 
 This Font Software is licensed under the SIL Open Font License, Version 1.1.
+
 This license is copied below, and is also available with a FAQ at:
-https://openfontlicense.org
+http://scripts.sil.org/OFL
+
+--------------------------
+
 
+SIL Open Font License v1.1
+====================================================
 
------------------------------------------------------------
-SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
------------------------------------------------------------
 
-PREAMBLE
+Preamble
+----------
+
 The goals of the Open Font License (OFL) are to stimulate worldwide
 development of collaborative font projects, to support the font creation
 efforts of academic and linguistic communities, and to provide a free and
@@ -18,76 +23,88 @@ with others.
 
 The OFL allows the licensed fonts to be used, studied, modified and
 redistributed freely as long as they are not sold by themselves. The
-fonts, including any derivative works, can be bundled, embedded, 
+fonts, including any derivative works, can be bundled, embedded,
 redistributed and/or sold with any software provided that any reserved
 names are not used by derivative works. The fonts and derivatives,
 however, cannot be released under any other type of license. The
 requirement for fonts to remain under this license does not apply
 to any document created using the fonts or their derivatives.
 
-DEFINITIONS
-"Font Software" refers to the set of files released by the Copyright
+
+Definitions
+-------------
+
+`"Font Software"` refers to the set of files released by the Copyright
 Holder(s) under this license and clearly marked as such. This may
 include source files, build scripts and documentation.
 
-"Reserved Font Name" refers to any names specified as such after the
+`"Reserved Font Name"` refers to any names specified as such after the
 copyright statement(s).
 
-"Original Version" refers to the collection of Font Software components as
+`"Original Version"` refers to the collection of Font Software components as
 distributed by the Copyright Holder(s).
 
-"Modified Version" refers to any derivative made by adding to, deleting,
+`"Modified Version"` refers to any derivative made by adding to, deleting,
 or substituting -- in part or in whole -- any of the components of the
 Original Version, by changing formats or by porting the Font Software to a
 new environment.
 
-"Author" refers to any designer, engineer, programmer, technical
+`"Author"` refers to any designer, engineer, programmer, technical
 writer or other person who contributed to the Font Software.
 
-PERMISSION & CONDITIONS
+
+Permission & Conditions
+------------------------
+
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of the Font Software, to use, study, copy, merge, embed, modify,
 redistribute, and sell modified and unmodified copies of the Font
 Software, subject to the following conditions:
 
-1) Neither the Font Software nor any of its individual components,
-in Original or Modified Versions, may be sold by itself.
-
-2) Original or Modified Versions of the Font Software may be bundled,
-redistributed and/or sold with any software, provided that each copy
-contains the above copyright notice and this license. These can be
-included either as stand-alone text files, human-readable headers or
-in the appropriate machine-readable metadata fields within text or
-binary files as long as those fields can be easily viewed by the user.
-
-3) No Modified Version of the Font Software may use the Reserved Font
-Name(s) unless explicit written permission is granted by the corresponding
-Copyright Holder. This restriction only applies to the primary font name as
-presented to the users.
-
-4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
-Software shall not be used to promote, endorse or advertise any
-Modified Version, except to acknowledge the contribution(s) of the
-Copyright Holder(s) and the Author(s) or with their explicit written
-permission.
-
-5) The Font Software, modified or unmodified, in part or in whole,
-must be distributed entirely under this license, and must not be
-distributed under any other license. The requirement for fonts to
-remain under this license does not apply to any document created
-using the Font Software.
-
-TERMINATION
+1. Neither the Font Software nor any of its individual components,
+   in Original or Modified Versions, may be sold by itself.
+
+2. Original or Modified Versions of the Font Software may be bundled,
+   redistributed and/or sold with any software, provided that each copy
+   contains the above copyright notice and this license. These can be
+   included either as stand-alone text files, human-readable headers or
+   in the appropriate machine-readable metadata fields within text or
+   binary files as long as those fields can be easily viewed by the user.
+
+3. No Modified Version of the Font Software may use the Reserved Font
+   Name(s) unless explicit written permission is granted by the corresponding
+   Copyright Holder. This restriction only applies to the primary font name as
+   presented to the users.
+
+4. The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+   Software shall not be used to promote, endorse or advertise any
+   Modified Version, except to acknowledge the contribution(s) of the
+   Copyright Holder(s) and the Author(s) or with their explicit written
+   permission.
+
+5. The Font Software, modified or unmodified, in part or in whole,
+   must be distributed entirely under this license, and must not be
+   distributed under any other license. The requirement for fonts to
+   remain under this license does not apply to any document created
+   using the Font Software.
+
+
+
+Termination
+-----------
+
 This license becomes null and void if any of the above conditions are
 not met.
 
-DISCLAIMER
-THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
-OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
-COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
-DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
-OTHER DEALINGS IN THE FONT SOFTWARE.
+
+    DISCLAIMER
+
+    THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+    OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+    COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+    INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+    DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+    OTHER DEALINGS IN THE FONT SOFTWARE.