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Allow setting bash-prompt-prefix nix develop configuration

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Jimmy Reichley 2022-05-10 16:53:22 -04:00
parent eb957ad6d8
commit 2998527b18
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2 changed files with 7 additions and 1 deletions
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6
src/nix/develop.cc
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@ -18,6 +18,9 @@ struct DevelopSettings : Config
Setting<std::string> bashPrompt{this, "", "bash-prompt",
"The bash prompt (`PS1`) in `nix develop` shells."};
Setting<std::string> bashPromptPrefix{this, "", "bash-prompt-prefix",
"Prefix prepended to the `PS1` environment variable in `nix develop` shells."};
Setting<std::string> bashPromptSuffix{this, "", "bash-prompt-suffix",
"Suffix appended to the `PS1` environment variable in `nix develop` shells."};
};
@ -482,6 +485,9 @@ struct CmdDevelop : Common, MixEnvironment
if (developSettings.bashPrompt != "")
script += fmt("[ -n \"$PS1\" ] && PS1=%s;\n",
shellEscape(developSettings.bashPrompt.get()));
if (developSettings.bashPromptPrefix != "")
script += fmt("[ -n \"$PS1\" ] && PS1=%s\"$PS1\";\n",
shellEscape(developSettings.bashPromptPrefix.get()));
if (developSettings.bashPromptSuffix != "")
script += fmt("[ -n \"$PS1\" ] && PS1+=%s;\n",
shellEscape(developSettings.bashPromptSuffix.get()));