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Use UDBZ dmg files for best compression

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Kovid Goyal 2019-09-19 16:31:12 +05:30
parent 4aa0ee3ccd
commit 3ce1c8bd63
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GPG key ID: 06BC317B515ACE7C
1 changed files with 3 additions and 2 deletions
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5
bypy/macos/__main__.py
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@ -721,7 +721,7 @@ def copy_site(self):
'lib', 'python' + py_ver))
@flush
def makedmg(self, d, volname, internet_enable=True, dmg_fmt='ULFO'):
def makedmg(self, d, volname, internet_enable=True):
''' Copy a directory d into a dmg named volname '''
print('\nSigning...')
sys.stdout.flush()
@ -744,7 +744,8 @@ def makedmg(self, d, volname, internet_enable=True, dmg_fmt='ULFO'):
print('Signing completed in %d minutes %d seconds' % tuple(times))
os.symlink('/Applications', join(tdir, 'Applications'))
size_in_mb = int(subprocess.check_output(['du', '-s', '-k', tdir]).decode('utf-8').split()[0]) / 1024.
cmd = ['/usr/bin/hdiutil', 'create', '-srcfolder', tdir, '-volname', volname, '-format', dmg_fmt]
# UDBZ gives the best compression, better than ULFO
cmd = ['/usr/bin/hdiutil', 'create', '-srcfolder', tdir, '-volname', volname, '-format', 'UDBZ']
if 190 < size_in_mb < 250:
# We need -size 255m because of a bug in hdiutil. When the size of
# srcfolder is close to 200MB hdiutil fails with