gnu: Add linux-libre 5.16.2.

* gnu/packages/aux-files/linux-libre/5.16-arm.conf,
gnu/packages/aux-files/linux-libre/5.16-arm64.conf,
gnu/packages/aux-files/linux-libre/5.16-i686.conf,
gnu/packages/aux-files/linux-libre/5.16-x86_64.conf : New files.
* Makefile.am (AUX_FILES): Add them.
* gnu/packages/linux.scm (linux-libre-5.16-version,
linux-libre-5.16-gnu-revision, deblob-scripts-5.16,
linux-libre-5.16-pristine-source, linux-libre-5.16-source,
linux-libre-headers-5.16, linux-libre-5.16): New variables.

gnu: util-linux: Fix CVE-2021-3995 and CVE-2021-3996.

* gnu/packages/patches/util-linux-CVE-2021-3995.patch,
gnu/packages/patches/util-linux-CVE-2021-3996.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
* gnu/packages/linux.scm (util-linux)[replacement]: New field.
(util-linux/fixed): New variable.

gnu: giac: Update to 1.7.0-47.

* gnu/packages/algebra.scm (giac): Update to 1.7.0-47.

gnu: polkit: Fix CVE-2021-4034.

* gnu/packages/patches/polkit-CVE-2021-4034.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/polkit.scm (polkit-mozjs)[replacement]: New field.
* gnu/packages/polkit.scm (polkit-mozjs/fixed): New variable.

gnu: fennel: Update to 03c1c95.

* gnu/packages/lua.scm (fennel): Update to 03c1c95.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add fnlfmt.

* gnu/packages/lua.scm (fnlfmt): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

import: pypi: Convert hyphens to underscores in PyPI URLs if needed.

* guix/import/pypi.scm (find-project-url): New function.
(make-pypi-sexp): Use find-project-url.
* tests/pypi.scm (foo-json): New procedure.
(test-json-1, test-json-2): Define in terms of it.
("find-project-url, with numpy", "find-project-url, uWSGI"):
("find-project-url, flake8-array-spacing")
("find-project-url, foo/goo"): New tests.

Co-authored-by: Ludovic Courtès <ludo@gnu.org>

gnu: utf-8-lineseparator: Update to 7.

* gnu/packages/textutils.scm (utf-8-lineseparator): Update to 7.  Adjust
'commit' field accordingly.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

utils: 'edit-expression' reads and conses less when not modifying.

* guix/utils.scm (edit-expression): Delay call to 'get-bytevector-all'
until after (string=? str* str).

gnu: emacs-emms: Update to 9.

* gnu/packages/emacs-xyz.scm (emacs-emms): Update to 9.

gnu: emacs-ebdb: Update to 0.8.9.

* gnu/packages/emacs-xyz.scm (emacs-ebdb): Update to 0.8.9.

gnu: Add go-go-etcd-io-bbolt.

* gnu/packages/databases.scm (go-go-etcd-io-bbolt): New variable.

gnu: Add go-gopkg-in-mgo-v2.

* gnu/packages/databases.scm (go-gopkg-in-mgo-v2): New variable.

gnu: Add go-github-com-gomodule-redigo.

* gnu/packages/databases.scm (go-github-com-gomodule-redigo): New variable.

gnu: Add go-github-com-cupcake-rdb.

* gnu/packages/databases.scm (go-github-com-cupcake-rdb): New variable.

gnu: Add go-github-com-couchbase-gomemcached.

* gnu/packages/databases.scm (go-github-com-couchbase-gomemcached): New variable.

gnu: Add go-github-com-bradfitz-gomemcache.

* gnu/packages/databases.scm (go-github-com-bradfitz-gomemcache): New variable.

gnu: sqlitebrowser: Enable tests.

* gnu/packages/databases.scm (sqlitebrowser)[arguments]: Don't skip
tests. Add configure-flag to enable tests.

gnu: sqlitebrowser: Unbundle qscintilla.

* gnu/packages/databases.scm (sqlitebrowser)[source]: Add snippet.
[arguments]: Add configure-flag to find qscintilla include directory.
[inputs]: Add qscintilla.

gnu: Add sqlitebrowser.

* gnu/packages/databases.scm (sqlitebrowser): New variable.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>