Martin Rey 1a7d86fdbc Use ZDOTDIR env variable for path to .zshrc ...

.zshrc can be found at "~/.zshrc", when ZDOTDIR is not set.
If ZDOTDIR is set, .zshrc is in "${ZDOTDIR}/.zshrc".
Using parameter expansion, the hardcoded path can be replaced with
"${ZDOTDIR:-$HOME}/.zshrc". That way, it'll use the value in
ZDOTDIR when set and the value in HOME when not.
This thus mirrors the usage of ZDOTDIR in zsh and makes the code
more fexible.

2020-03-09 22:25:17 +01:00

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