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DFSG, Licensing & New Packages Team

Review: fonts-ubuntu-sans-mono 1.100+ds-1

Package Information

DescriptionUbuntu Sans Mono font family

Ubuntu Sans Mono is a monospace font family developed for the Ubuntu project. It provides Latin, Greek and Cyrillic characters, together with symbols, box-drawing characters and Braille patterns.

The family includes upright styles from Thin to Bold and italic styles from Regular to Bold.

MaintainerDebian Fonts Team <debian-fonts@lists.debian.org>
Changed ByBoyuan Yang <byang@debian.org>
Sponsorbyang@debian.org
Distributionunstable
Architectureall
VCSgit: https://salsa.debian.org/fonts-team/fonts-ubuntu-sans-mono.git (browse)
Closes#1151039
Blocked Bugs#1099763 (normal)
Trackerhttps://tracker.debian.org/pkg/fonts-ubuntu-sans-mono
Uploaded4 hours ago

New Package Report

.changes◂
Changed-ByBoyuan Yang <byang@debian.org>
Architecturesource all
Distributionunstable
DateFri, 23 Oct 2026 13:41:13 -0400
Sourcefonts-ubuntu-sans-mono
Version1.100+ds-1
Changelog◂
fonts-ubuntu-sans-mono (1.100+ds-1) unstable; urgency=medium
 .
   * Initial release. (Closes: #1151039)
.dsc◂
Componentnon-free
Package-Listfonts-ubuntu-sans-mono deb non-free/fonts optional arch=all
fonts-ubuntu-sans-mono-variable deb non-free/fonts optional arch=all
Sectionnon-free/fonts
Priorityoptional
debian/copyright◂
Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: Ubuntu Sans Mono
Source: https://github.com/canonical/Ubuntu-Sans-Mono-fonts
Files-Excluded:
 fonts
 _temp
Comment: Prebuilt release fonts and obsolete binary-only comparison fonts
 are excluded. All design sources for this release are retained.
 .
 This package is distributed in non-free because the naming restrictions
 in Ubuntu Font Licence 1.0 do not satisfy the Debian Free Software
 Guidelines. See https://bugs.debian.org/603157.

Files: *
Copyright: 2011, 2022, 2023 Canonical Ltd.
License: Ubuntu-Font-1.0
Comment: Copyright years and ownership are taken from the UFO masters'
 fontinfo.plist files. README.md states that the font software, including
 the design files, is covered by Ubuntu Font Licence 1.0.

Files: debian/*
Copyright: 2026 Boyuan Yang <byang@debian.org>
License: Expat

License: Ubuntu-Font-1.0
 -------------------------------
 UBUNTU FONT LICENCE Version 1.0
 -------------------------------
 .
 PREAMBLE
 This licence allows the licensed fonts to be used, studied, modified and
 redistributed freely. The fonts, including any derivative works, can be
 bundled, embedded, and redistributed provided the terms of this licence
 are met. The fonts and derivatives, however, cannot be released under
 any other licence. The requirement for fonts to remain under this
 licence does not require any document created using the fonts or their
 derivatives to be published under this licence, as long as the primary
 purpose of the document is not to be a vehicle for the distribution of
 the fonts.
 .
 DEFINITIONS
 "Font Software" refers to the set of files released by the Copyright
 Holder(s) under this licence and clearly marked as such. This may
 include source files, build scripts and documentation.
 .
 "Original Version" refers to the collection of Font Software components
 as received under this licence.
 .
 "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.
 .
 "Copyright Holder(s)" refers to all individuals and companies who have a
 copyright ownership of the Font Software.
 .
 "Substantially Changed" refers to Modified Versions which can be easily
 identified as dissimilar to the Font Software by users of the Font
 Software comparing the Original Version with the Modified Version.
 .
 To "Propagate" a work means to do anything with it that, without
 permission, would make you directly or secondarily liable for
 infringement under applicable copyright law, except executing it on a
 computer or modifying a private copy. Propagation includes copying,
 distribution (with or without modification and with or without charging
 a redistribution fee), making available to the public, and in some
 countries other activities as well.
 .
 PERMISSION & CONDITIONS
 This licence does not grant any rights under trademark law and all such
 rights are reserved.
 .
 Permission is hereby granted, free of charge, to any person obtaining a
 copy of the Font Software, to propagate the Font Software, subject to
 the below conditions:
 .
 1) Each copy of the Font Software must contain the above copyright
 notice and this licence. 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.
 .
 2) The font name complies with the following:
 (a) The Original Version must retain its name, unmodified.
 (b) Modified Versions which are Substantially Changed must be renamed to
 avoid use of the name of the Original Version or similar names entirely.
 (c) Modified Versions which are not Substantially Changed must be
 renamed to both (i) retain the name of the Original Version and (ii) add
 additional naming elements to distinguish the Modified Version from the
 Original Version. The name of such Modified Versions must be the name of
 the Original Version, with "derivative X" where X represents the name of
 the new work, appended to that name.
 .
 3) The name(s) of the Copyright Holder(s) and any contributor to the
 Font Software shall not be used to promote, endorse or advertise any
 Modified Version, except (i) as required by this licence, (ii) to
 acknowledge the contribution(s) of the Copyright Holder(s) or (iii) with
 their explicit written permission.
 .
 4) The Font Software, modified or unmodified, in part or in whole, must
 be distributed entirely under this licence, and must not be distributed
 under any other licence. The requirement for fonts to remain under this
 licence does not affect any document created using the Font Software,
 except any version of the Font Software extracted from a document
 created using the Font Software may only be distributed under this
 licence.
 .
 TERMINATION
 This licence 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.

License: Expat
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:
 .
 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.
 .
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.

DFSG Assistant LLM REVIEW 0 blocker, 0 important, 0 minor

This is an LLM based review using a Debian Inference based workflow. It was not written by a member of the DFSG team and has not been checked by one. It is not a decision on the package: it may be wrong, and it may have missed things.

Reviewed 3 hours ago.

Report◂

DFSG NEW review for fonts-ubuntu-sans-mono version 1.100+ds-1

Summary

  • Licensing is DFSG-compliant and debian/copyright is accurate: Yes
  • Packaging is of good quality: Yes
  • Issues: 0 blocker, 0 important, 0 minor
  • debian/watch: version 5
  • debian/copyright: machine-readable
  • Scan before the review: 1 found

Licensing

The font and all design sources are licensed under Ubuntu Font Licence 1.0, which is not DFSG-free (condition 2(c) naming restriction goes beyond DFSG ยง4). The package correctly handles this: it is placed in non-free/fonts, and debian/copyright explains the non-free status and references bug #603157. debian/copyright is accurate and complete: Files: * covers all upstream files under UFL-1.0 (full text embedded, matching LICENCE.txt), Files: debian/* under Expat (full text embedded). The copyright holder Canonical Ltd. matches the copyright strings in all five UFO fontinfo.plist files ('Copyright 2011, 2022, 2023 Canonical Ltd.'). Files-Excluded (fonts/, _temp/) excludes only prebuilt/obsolete binaries, both confirmed absent from the tree; all preferred-form design sources (UFO .glif/.plist, .fea, .designspace, build scripts) are retained, and the shipped .ttf are built from them in debian/rules. The prescan's flagged licence (UFL-1.0) is not a fault: it is a non-free licence correctly categorized and documented.

Packaging

Packaging is of good quality. Source format 3.0 (quilt) with debhelper-compat 14 and a clean 'dh' rules file; no patches needed. override_dh_auto_build builds static and variable TrueType fonts from the UFO/designspace sources using gftools-builder and ninja, bypassing upstream's venv/pip download setup (a genuine build-from-source approach); override_dh_auto_test is disabled because fontspector is not packaged, and this is documented in debian/README.source. All Build-Depends (debhelper-compat 14, gftools >= 0.10.1, ninja-build, python3, python3-cattr >= 25.1.1, python3-ttfautohint-py) exist in the archive with satisfiable versions. Section non-free/fonts, two binary packages (static and variable) with Architecture: all and Multi-Arch: foreign are correct. Standards-Version 4.7.4 is current. Vcs-* and upstream metadata are present; changelog is a sane initial release in unstable. No autopkgtests are required. Install files correctly match the build output paths debian/build/fonts/ttf and fonts/variable.

Issues

None.

Verified

  • Every upstream file is covered by the Files: * stanza under Ubuntu-Font-1.0; the full licence text embedded in debian/copyright matches LICENCE.txt and the fontinfo.plist 'Licensed under the Ubuntu Font Licence 1.0' strings.
  • Copyright holder Canonical Ltd. matches all five UFO fontinfo.plist copyright strings; the prescan author check found every holder named in debian/copyright.
  • Files-Excluded fonts/ and _temp/ are both absent from the tree (confirmed by glob); only preferred-form design sources remain, and the shipped .ttf are generated in debian/build by rules.
  • The prescan's only licence flag, Ubuntu-Font-1.0, is a genuinely non-free licence (naming restriction), correctly addressed by placing the package in non-free/fonts and documenting it; not an issue.
  • No embedded third-party code or built binaries (no .ttf/.otf/.jar/.class/.pyc/.pdf) found in the shipped tree; documentation/image1.png is a generated specimen from the present image1.py drawbot script and is not installed in the binaries (only README.md is shipped as docs).
  • Build-Depends versions satisfiable: gftools 0.10.1+dfsg-1 (provides gftools-builder), python3-cattr 26.2.1, python3-ttfautohint-py 0.6.1 (pulls ttfautohint), ninja-build 1.13.2.
  • Rules build products match install paths: dh_install reads debian/build/fonts/ttf/.ttf (static) and debian/build/fonts/variable/.ttf (variable).
  • Standards-Version 4.7.4 matches current Policy 4.7.4.1's first two components; not an issue.
  • uscan found the packaged version as the newest upstream release (upstream 1.100, packaged 1.100+ds).

Not confirmed

None.

Proposed changes

None.

Uploader's response to the LLM review

The uploader was emailed about the review 3 hours ago.

Review Information

accepted — allocated to awm 1 hour ago, started 1 hour ago, completed 1 hour ago.

Final Comment

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