Autoenv fix: Exitscripts incorrectly running when visiting a subdirectory (#2326)

* Add test case for issue

* Preliminary fix

* fmt

* Reorder asserts

* move insertion

* Touch nu-env.toml

* Cleanup

* touch nu-env toml

* Remove touch

* Change feature flags
This commit is contained in:
Sam Hedin 2020-08-11 21:54:49 +02:00 committed by GitHub
parent 43e9c89125
commit 3c18169f63
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 21 additions and 19 deletions

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@ -12,6 +12,8 @@ use std::{
path::{Path, PathBuf},
};
//Tests reside in /nushell/tests/shell/pipeline/commands/internal.rs
type EnvKey = String;
type EnvVal = OsString;
#[derive(Debug, Default)]
@ -82,14 +84,11 @@ impl DirectorySpecificEnvironment {
//We track which keys we set as we go up the directory hierarchy, so that we don't overwrite a value we set in a subdir.
let mut added_keys = IndexSet::new();
//We note which directories we pass so we can clear unvisited dirs later.
let mut seen_directories = IndexSet::new();
//Add all .nu-envs until we reach a dir which we have already added, or we reached the root.
let mut new_visited_dirs = IndexSet::new();
let mut popped = true;
while popped && !self.visited_dirs.contains(&dir) {
while popped {
let nu_env_file = dir.join(".nu-env");
if nu_env_file.exists() {
if nu_env_file.exists() && !self.visited_dirs.contains(&dir) {
let nu_env_doc = self.toml_if_trusted(&nu_env_file)?;
//add regular variables from the [env section]
@ -98,7 +97,6 @@ impl DirectorySpecificEnvironment {
self.maybe_add_key(&mut added_keys, &dir, &env_key, &env_val);
}
}
self.visited_dirs.insert(dir.clone());
//Add variables that need to evaluate scripts to run, from [scriptvars] section
if let Some(sv) = nu_env_doc.scriptvars {
@ -122,14 +120,14 @@ impl DirectorySpecificEnvironment {
self.exitscripts.insert(dir.clone(), es);
}
}
seen_directories.insert(dir.clone());
new_visited_dirs.insert(dir.clone());
popped = dir.pop();
}
//Time to clear out vars set by directories that we have left.
let mut new_vars = IndexMap::new();
for (dir, dirmap) in self.added_vars.drain(..) {
if seen_directories.contains(&dir) {
if new_visited_dirs.contains(&dir) {
new_vars.insert(dir, dirmap);
} else {
for (k, v) in dirmap {
@ -142,17 +140,10 @@ impl DirectorySpecificEnvironment {
}
}
let mut new_visited = IndexSet::new();
for dir in self.visited_dirs.drain(..) {
if seen_directories.contains(&dir) {
new_visited.insert(dir);
}
}
//Run exitscripts, can not be done in same loop as new vars as some files can contain only exitscripts
let mut new_exitscripts = IndexMap::new();
for (dir, scripts) in self.exitscripts.drain(..) {
if seen_directories.contains(&dir) {
if new_visited_dirs.contains(&dir) {
new_exitscripts.insert(dir, scripts);
} else {
for s in scripts {
@ -161,7 +152,7 @@ impl DirectorySpecificEnvironment {
}
}
self.visited_dirs = new_visited;
self.visited_dirs = new_visited_dirs;
self.exitscripts = new_exitscripts;
self.added_vars = new_vars;
self.last_seen_directory = current_dir()?;

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@ -38,9 +38,11 @@ fn takes_rows_of_nu_value_strings_and_pipes_it_to_stdin_of_external() {
})
}
#[cfg(feature = "which")]
#[cfg(feature = "directories-support")]
#[cfg(feature = "which-support")]
#[test]
fn autoenv() {
use nu_test_support::fs::Stub::FileWithContent;
Playground::setup("autoenv_test", |dirs, sandbox| {
sandbox.mkdir("foo/bar");
sandbox.mkdir("bizz/buzz");
@ -105,6 +107,15 @@ fn autoenv() {
);
assert!(actual.out.contains("hello.txt"));
// If inside a directory with exitscripts, entering a subdirectory should not trigger the exitscripts.
let actual = nu!(
cwd: dirs.test(),
r#"autoenv trust
cd foob
ls | where name == "bye.txt" | get name"#
);
assert!(!actual.out.contains("bye.txt"));
// Make sure entry scripts are run when re-visiting a directory
let actual = nu!(
cwd: dirs.test(),