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Make the prompt used in development shells configurable

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This commit is contained in:
Eelco Dolstra 2020-10-26 14:24:25 +01:00
parent ac0e24f21b
commit dc7d1322ef
1 changed files with 17 additions and 0 deletions
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17
src/nix/develop.cc
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@ -11,6 +11,19 @@
using namespace nix;
struct DevelopSettings : Config
{
Setting<std::string> bashPrompt{this, "", "bash-prompt",
"The bash prompt (`PS1`) in `nix develop` shells."};
Setting<std::string> bashPromptSuffix{this, "", "bash-prompt-suffix",
"Suffix appended to the `PS1` environment variable in `nix develop` shells."};
};
static DevelopSettings developSettings;
static GlobalConfig::Register rDevelopSettings(&developSettings);
struct Var
{
bool exported = true;
@ -429,6 +442,10 @@ struct CmdDevelop : Common, MixEnvironment
else {
script += "[ -n \"$PS1\" ] && [ -e ~/.bashrc ] && source ~/.bashrc;\n";
if (developSettings.bashPrompt != "")
script += fmt("[ -n \"$PS1\" ] && PS1=%s;\n", shellEscape(developSettings.bashPrompt));
if (developSettings.bashPromptSuffix != "")
script += fmt("[ -n \"$PS1\" ] && PS1+=%s;\n", shellEscape(developSettings.bashPromptSuffix));
}
writeFull(rcFileFd.get(), script);