git: update to 1.8.2.2

No changes required, just bump the submodule and Makefile version.

Signed-off-by: John Keeping <john@keeping.me.uk>
t0001: validate Git -rcN version numbers correctly

When creating the GIT-VERSION-FILE that we use to test that the version
of Git in git/ is the same as in the CGit Makefile, Git applies the
transform "s/-/./g" to the version string.  This doesn't affect released
versions but does change RC version numbers such as 1.8.3-rc0.

While CGit should only refer to a released Git version in general, it is
useful to developers who want to test upcoming Git releases if the tests
do work with RCs, so change t0001 to apply the same transform to our
Makefile version before comparing it to the contents of
GIT-VERSION-FILE.

Signed-off-by: John Keeping <john@keeping.me.uk>
ui-snapshot: do not access $HOME

It's a bit tedious to have to do this here too. If we encounter other
issues with $HOME down the line, I'll look into adding some nice utility
functions to handle this, or perhaps giving up on the hope that we could
keep $HOME defined for scripts.

This commit additionally adds a test case, should the issue surface
again.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
New mailing list.
t0109: "function" is a bash-ism

We try to stick to POSIX shell in the tests but a "function" keyword has
found its way into t0109.  Remove it.

This makes the tests work with dash again.

Signed-off-by: John Keeping <john@keeping.me.uk>
Makefile: fix parallel "make test"

When building the "test" target we depend on both cgit and building the
Git tools.  By doing this with two targets we end up running make in the
git/ directory twice, concurrently if using parallel make, which causes
us to build more than we need and potentially builds incorrectly if
multi-step build-then-move operations overlap.

Fix this by instead calling back into the makefile so that we alter the
"cgit" target to also build the Git tools.

Signed-off-by: John Keeping <john@keeping.me.uk>
ui-log: add <span/> around commit decorations

This helps projects that have a large number of tags to display them all
using custom CSS.

The default stylesheet has not been updated since what is useful for
projects with a lot of tags is not the same as what is useful for
projects with only a small number of decorations per commit.

Suggested-by: Konstantin Ryabitsev <mricon@kernel.org>
Signed-off-by: John Keeping <john@keeping.me.uk>