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add $pipestatus support

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This commit is contained in:
zabereer
2019-02-24 21:45:59 -08:00
committed by ridiculousfish
parent e330dafd24
commit 2c8abdf5cb
16 changed files with 285 additions and 5 deletions
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14
src/env.cpp
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@@ -316,8 +316,8 @@ bool string_set_contains(const T &set, const wchar_t *val) {
/// Check if a variable may not be set using the set command.
static bool is_read_only(const wchar_t *val) {
const string_set_t env_read_only = {
L"PWD", L"SHLVL", L"history", L"status", L"version",
L"FISH_VERSION", L"fish_pid", L"hostname", L"_", L"fish_private_mode"};
L"PWD", L"SHLVL", L"history", L"pipestatus", L"status", L"version",
L"FISH_VERSION", L"fish_pid", L"hostname", L"_", L"fish_private_mode"};
return string_set_contains(env_read_only, val) ||
(in_private_mode() && wcscmp(L"fish_history", val) == 0);
}
@@ -330,7 +330,7 @@ static bool variable_should_auto_pathvar(const wcstring &name) {
}
/// Table of variables whose value is dynamically calculated, such as umask, status, etc.
static const string_set_t env_electric = {L"history", L"status", L"umask"};
static const string_set_t env_electric = {L"history", L"pipestatus", L"status", L"umask"};
static bool is_electric(const wcstring &key) { return contains(env_electric, key); }
@@ -1391,6 +1391,14 @@ maybe_t<env_var_t> env_stack_t::get(const wcstring &key, env_mode_flags_t mode)
wcstring_list_t result;
if (history) history->get_history(result);
return env_var_t(L"history", result);
} else if (key == L"pipestatus") {
const auto& js = proc_get_last_job_statuses();
wcstring_list_t result;
result.reserve(js->size());
for (auto&& i : *js) {
result.emplace_back(to_string(i));
}
return env_var_t(L"pipestatus", result);
} else if (key == L"status") {
return env_var_t(L"status", to_string(proc_get_last_status()));
} else if (key == L"umask") {