Fixes an issue with missing git hash in version metadata of built fonts. Closes #234

Makefile

@@ -46,9 +46,11 @@ web: all_web
 
 all_const: all_otf  all_ttf  all_web
 all_const_hinted: all_ttf_hinted  all_web_hinted
-var: \
+var: var_text var_display
+var_text: \
 	$(FONTDIR)/var/Inter.var.woff2 \
-	$(FONTDIR)/var/Inter.var.otf \
+	$(FONTDIR)/var/Inter.var.otf
+var_display: \
 	$(FONTDIR)/var/InterDisplay.var.woff2 \
 	$(FONTDIR)/var/InterDisplay.var.otf
 all_var: \
@@ -73,7 +75,7 @@ all_var: \
 # all_var_hinted: $(FONTDIR)/var-hinted/Inter.var.otf $(FONTDIR)/var-hinted/Inter.var.woff2
 # .PHONY: all_var_hinted
 
-.PHONY: all_const  all_const_hinted  var  all_var
+.PHONY: all_const  all_const_hinted  var  var_text  var_display  all_var
 
 export PATH := $(PWD)/build/venv/bin:$(PATH)
 
@@ -97,23 +99,23 @@ build/%.woff: build/%.ttf
 
 
 # VF OTF from UFO
-$(FONTDIR)/var/Inter.var.otf: $(all_ufo_masters) version.txt
+$(FONTDIR)/var/Inter.var.otf: $(all_ufo_masters_text) version.txt
 	misc/fontbuild compile-var -o $@ $(FONTBUILD_FLAGS) build/ufo/Inter.designspace
 
 $(FONTDIR)/var/Inter-V.var.otf: $(FONTDIR)/var/Inter.var.otf
 	misc/fontbuild rename --family "Inter V" -o $@ $<
 
-$(FONTDIR)/var/Inter-%.var.otf: build/ufo/Inter-%.designspace $(all_ufo_masters) version.txt
+$(FONTDIR)/var/Inter-%.var.otf: build/ufo/Inter-%.designspace $(all_ufo_masters_text) version.txt
 	misc/fontbuild compile-var -o $@ $(FONTBUILD_FLAGS) $<
 	misc/tools/fix-vf-meta.py $@
 
-$(FONTDIR)/var/InterDisplay.var.otf: $(all_display_ufo_masters) version.txt
+$(FONTDIR)/var/InterDisplay.var.otf: $(all_ufo_masters_display) version.txt
 	misc/fontbuild compile-var -o $@ $(FONTBUILD_FLAGS) build/ufo/InterDisplay.designspace
 
 $(FONTDIR)/var/InterDisplay-V.var.otf: $(FONTDIR)/var/InterDisplay.var.otf
 	misc/fontbuild rename --family "Inter Display V" -o $@ $<
 
-$(FONTDIR)/var/InterDisplay-%.var.otf: build/ufo/InterDisplay-%.designspace $(all_display_ufo_masters) version.txt
+$(FONTDIR)/var/InterDisplay-%.var.otf: build/ufo/InterDisplay-%.designspace $(all_ufo_masters_display) version.txt
 	misc/fontbuild compile-var -o $@ $(FONTBUILD_FLAGS) $<
 	misc/tools/fix-vf-meta.py $@
 

init.sh

@@ -454,9 +454,13 @@ else
       echo ")" >> "$GEN_MAKE_FILE"
       echo -e "\t@touch \"\$@\"" >> "$GEN_MAKE_FILE"
     done
-    echo -n "all_ufo_masters :=" >> "$GEN_MAKE_FILE"
+    echo -n "all_ufo_masters_text :=" >> "$GEN_MAKE_FILE"
     for style in "${master_styles[@]}"; do
       echo -n " build/ufo/Inter-${style}.ufo" >> "$GEN_MAKE_FILE"
+    done
+    echo "" >> "$GEN_MAKE_FILE"
+    echo -n "all_ufo_masters_display :=" >> "$GEN_MAKE_FILE"
+    for style in "${master_styles[@]}"; do
       echo -n " build/ufo/InterDisplay-${style}.ufo" >> "$GEN_MAKE_FILE"
     done
     echo "" >> "$GEN_MAKE_FILE"

misc/fontbuild

@@ -21,7 +21,7 @@ from glyphsLib.interpolation import apply_instance_data
 
 from fontbuildlib import FontBuilder
 from fontbuildlib.util import mkdirs, loadTTFont
-from fontbuildlib.info import setFontInfo, updateFontVersion
+from fontbuildlib.info import setFontInfo
 from fontbuildlib.name import setFamilyName, renameStylesGoogleFonts
 
 log = logging.getLogger(__name__)

misc/fontbuildlib/info.py

@@ -1,39 +1,11 @@
 import subprocess
 import re
+import sys
 from datetime import datetime
 from common import getGitHash, getVersion
 from .util import readTextFile, BASEDIR, pjoin
 
 
-_gitHash = None
-def getGitHash():
-  global _gitHash
-  if _gitHash is None:
-    _gitHash = ''
-    try:
-      _gitHash = subprocess.check_output(
-        ['git', '-C', BASEDIR, 'rev-parse', '--short', 'HEAD'],
-        stderr=subprocess.STDOUT,
-        **_enc_kwargs
-      ).strip()
-    except:
-      try:
-        # git rev-parse --short HEAD > githash.txt
-        _gitHash = readTextFile(pjoin(BASEDIR, 'githash.txt')).strip()
-      except:
-        pass
-  return _gitHash
-
-
-_version = None
-def getVersion():
-  global _version
-  if _version is None:
-    _version = readTextFile(pjoin(BASEDIR, 'version.txt')).strip()
-  return _version
-
-
-
 def updateFontVersion(font, dummy, isVF):
   if dummy:
     version = "1.0"
@@ -41,8 +13,11 @@ def updateFontVersion(font, dummy, isVF):
     now = datetime(2016, 1, 1, 0, 0, 0, 0)
   else:
     version = getVersion()
-    buildtag = getGitHash()
+    buildtag, buildtagErrs = getGitHash()
     now = datetime.utcnow()
+    if buildtag == "" or len(buildtagErrs) > 0:
+      buildtag = "src"
+      print("warning: getGitHash() failed: %r" % buildtagErrs, file=sys.stderr)
   versionMajor, versionMinor = [int(num) for num in version.split(".")]
   font.info.version = version
   font.info.versionMajor = versionMajor

misc/tools/common.py

@@ -36,23 +36,22 @@ def readTextFile(filename):
 
 
 _gitHash = None
-def getGitHash():
+_gitHashErrs = []
+def getGitHash():  # returns tuple (hash :string, errors :string[])
   global _gitHash
   if _gitHash is None:
     _gitHash = ''
+    args = ['git', '-C', BASEDIR, 'rev-parse', '--short', 'HEAD']
     try:
-      _gitHash = subprocess.check_output(
+      _gitHash = subprocess.check_output(args, stderr=subprocess.STDOUT, **_enc_kwargs).strip()
-        ['git', '-C', BASEDIR, 'rev-parse', '--short', 'HEAD'],
-        stderr=subprocess.STDOUT,
-        **_enc_kwargs
-      ).strip()
     except:
+      _gitHashErrs.append(sys.exc_info()[0])
       try:
         # git rev-parse --short HEAD > githash.txt
         _gitHash = readTextFile(pjoin(BASEDIR, 'githash.txt')).strip()
       except:
-        pass
+        _gitHashErrs.append(sys.exc_info()[0])
-  return _gitHash
+  return (_gitHash, _gitHashErrs)
 
 
 _version = None