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Allow setting bash-prompt-prefix nix develop configuration

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This commit is contained in:
Jimmy Reichley 2022-05-10 16:53:22 -04:00
parent eb957ad6d8
commit 2998527b18
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GPG key ID: A3B12BCFECB78676
2 changed files with 7 additions and 1 deletions
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2
src/libexpr/flake/config.cc
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@ -31,7 +31,7 @@ static void writeTrustedList(const TrustedList & trustedList)
void ConfigFile::apply()
{
std::set<std::string> whitelist{"bash-prompt", "bash-prompt-suffix", "flake-registry"};
std::set<std::string> whitelist{"bash-prompt", "bash-prompt-prefix", "bash-prompt-suffix", "flake-registry"};
for (auto & [name, value] : settings) {

6
src/nix/develop.cc
View file

@ -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()));