This fixes a security issue with malicious branch names

Homebrew decided to not change the behaviour of `brew upgrade` so
`brew upgrade --all` is equivalent to `brew upgrade` without any other
arguments (so the `--all` is a no-op and can be removed).

)

…rin-ionescu#598)

* Support skip-virtualenvwrapper-init zstyle in python module to avoid auto-sourcing of virtualenvwrapper.sh
* Don't overwrite the WORKON_HOME env var if the user has already set it

This commit changes the way $TMPDIR is set by using `mktemp` rather
than a fixed string.

- Implementation from sorin-ionescu#1001
- Documentation from sorin-ionescu#1178

…#1124)

Multiplexer titles can be set independent of window and tab titles.
Add auto-title always option to have dynamic titling inside terminal
multiplexers. Setting auto-title to yes continues to ignore dynamic
titling inside terminal multiplexers.

This patch should not alter behavior under Apple terminals.

Thanks to @naibaf0. Closes sorin-ionescu#1096.

Fixes sorin-ionescu#947

The new call is compatible with colordiff v1.0.8 - v.1.0.15 (might be
compatible with even earlier versions, but not tested), while the
original one breaks down under v1.0.14 and v1.0.15. See
daveewart/colordiff#22.

…s-context-config

Adds additional support for PS prompt context expansion

7 is pretty arbitrarily chosen, but seems like a reasonable tradeoff, at
least the completion no longer shows symptoms of exponential
time-growth when trying to complete something completely wrong.

This fixes sorin-ionescu#946.

Closes sorin-ionescu#955

Thanks to @jeffwidman for pointing this out

Closes sorin-ionescu#1141

Thanks to @malikoth and @saoula for their input.

Fixes sorin-ionescu#1037