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Merge pull request #6525 from J-Swift/feature/bash-prefix

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Add `bash-prompt-prefix` option
This commit is contained in:
Eelco Dolstra 2022-05-13 14:06:07 +02:00 committed by GitHub
commit bf89cd95a4
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4 changed files with 13 additions and 6 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
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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()));

4
src/nix/develop.md
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@ -80,8 +80,8 @@ initialised by `stdenv` and exits. This build environment can be
recorded into a profile using `--profile`.
The prompt used by the `bash` shell can be customised by setting the
`bash-prompt` and `bash-prompt-suffix` settings in `nix.conf` or in
the flake's `nixConfig` attribute.
`bash-prompt`, `bash-prompt-prefix`, and `bash-prompt-suffix` settings in
`nix.conf` or in the flake's `nixConfig` attribute.
# Flake output attributes

7
src/nix/flake.md
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@ -331,9 +331,10 @@ The following attributes are supported in `flake.nix`:
* `nixConfig`: a set of `nix.conf` options to be set when evaluating any
part of a flake. In the interests of security, only a small set of
whitelisted options (currently `bash-prompt`, `bash-prompt-suffix`,
and `flake-registry`) are allowed to be set without confirmation so long as
`accept-flake-config` is not set in the global configuration.
whitelisted options (currently `bash-prompt`, `bash-prompt-prefix`,
`bash-prompt-suffix`, and `flake-registry`) are allowed to be set without
confirmation so long as `accept-flake-config` is not set in the global
configuration.
## Flake inputs