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zsh: do not export HISTFILE, HISTSIZE, SAVEHIST

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Every interactive zsh sources /etc/zshrc (see STARTUP/SHUTDOWN FILES in zshautll(1))
Therefor every interactive zsh process will respect the content of these variables.
Using `export` will also lead to child processes inheriting this value.
This leads to problems, if other interactive shells are spawned such as bash,
because they use an incomptabible history format (without timestamps).
There seems to be also cases, where the local HISTSIZE in ~/.zshrc is
not sourced but /etc/zshrc, which leads to history truncation in other shells.
This commit is contained in:
Jörg Thalheim 2016-09-27 21:18:29 +02:00
parent cb2f84e4d7
commit 9049ab1a3b
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GPG key ID: CA4106B8D7CC79FA
1 changed files with 3 additions and 3 deletions
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6
nixos/modules/programs/zsh/zsh.nix
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@ -102,9 +102,9 @@ in
interactiveShellInit = ''
# history defaults
export SAVEHIST=2000
export HISTSIZE=2000
export HISTFILE=$HOME/.zsh_history
SAVEHIST=2000
HISTSIZE=2000
HISTFILE=$HOME/.zsh_history
setopt HIST_IGNORE_DUPS SHARE_HISTORY HIST_FCNTL_LOCK