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No longer autoload deprecated-dirs (#14242)

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# Description

Follow-up to #13842. In that commit, using one of the `dirs`/`shells`
aliases would notify the user that it would no longer be autoloaded in
future releases. This is the removal stage.

Side-benefit: Additional 1ms+ load time improvement

# User-Facing Changes

Breaking-change - `dirs` aliases are no longer autoloaded.

Users can either choose to continue using the aliases by adding the
following to the startup:

```nu
use std/dirs shells-aliases *
```

Alternatively, users can use the `dirs` subcommands (rather than the
aliases) with:

```nu
use std/dirs
```
This commit is contained in:
Douglas 2024-11-05 15:53:41 -05:00 committed by GitHub
parent 7a7df3e635
commit a60f454154
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14
crates/nu-std/src/lib.rs
View File

@ -54,12 +54,6 @@ pub fn load_standard_library(
("mod.nu", "std/math", include_str!("../std/math/mod.nu")),
("mod.nu", "std/util", include_str!("../std/util/mod.nu")),
("mod.nu", "std/xml", include_str!("../std/xml/mod.nu")),
// Remove in following release
(
"mod.nu",
"std/deprecated_dirs",
include_str!("../std/deprecated_dirs/mod.nu"),
),
];
for (filename, std_subdir_name, content) in std_submodules.drain(..) {
@ -87,14 +81,6 @@ pub fn load_standard_library(
let source = r#"
# Prelude
use std/core *
use std/deprecated_dirs [
enter
shells
g
n
p
dexit
]
"#;
// Add a placeholder file to the stack of files being evaluated.

161
crates/nu-std/std/deprecated_dirs/mod.nu
View File

@ -1,161 +0,0 @@
# Maintain a list of working directories and navigate them
# The directory stack.
#
# Exception: the entry for the current directory contains an
# irrelevant value. Instead, the source of truth for the working
# directory is $env.PWD. It has to be this way because cd doesn't
# know about this module.
#
# Example: the following state represents a user-facing directory
# stack of [/a, /var/tmp, /c], and we are currently in /var/tmp .
#
# PWD = /var/tmp
# DIRS_POSITION = 1
# DIRS_LIST = [/a, /b, /c]
#
# This situation could arise if we started with [/a, /b, /c], then
# we changed directories from /b to /var/tmp.
export-env {
$env.DIRS_POSITION = 0
$env.DIRS_LIST = [($env.PWD | path expand)]
}
def deprecation_warning [ ] {
print -e $"
(ansi red)Warning:(ansi reset) The 'std dirs' module will no longer automatically
be loaded in the next release. To continue using the Shells
feature, and to remove this warning, please add the following
to your startup configuration \(typically env.nu or config.nu\):
use std/dirs shells-aliases *
Or see the documentation for more options.
"
}
# Add one or more directories to the list.
# PWD becomes first of the newly added directories.
export def --env add [
...paths: string # directory or directories to add to working list
] {
deprecation_warning
mut abspaths = []
for p in $paths {
let exp = ($p | path expand)
if ($exp | path type) != 'dir' {
let span = (metadata $p).span
error make {msg: "not a directory", label: {text: "not a directory", span: $span } }
}
$abspaths = ($abspaths | append $exp)
}
$env.DIRS_LIST = ($env.DIRS_LIST | insert ($env.DIRS_POSITION + 1) $abspaths | flatten)
_fetch 1
}
export alias enter = add
# Advance to the next directory in the list or wrap to beginning.
export def --env next [
N:int = 1 # number of positions to move.
] {
deprecation_warning
_fetch $N
}
export alias n = next
# Back up to the previous directory or wrap to the end.
export def --env prev [
N:int = 1 # number of positions to move.
] {
deprecation_warning
_fetch (-1 * $N)
}
export alias p = prev
# Drop the current directory from the list, if it's not the only one.
# PWD becomes the next working directory
export def --env drop [] {
deprecation_warning
if ($env.DIRS_LIST | length) > 1 {
$env.DIRS_LIST = ($env.DIRS_LIST | reject $env.DIRS_POSITION)
if ($env.DIRS_POSITION >= ($env.DIRS_LIST | length)) {$env.DIRS_POSITION = 0}
}
# step to previous slot
_fetch -1 --forget_current --always_cd
}
export alias dexit = drop
# Display current working directories.
export def --env show [] {
deprecation_warning
mut out = []
for $p in ($env.DIRS_LIST | enumerate) {
let is_act_slot = $p.index == $env.DIRS_POSITION
$out = ($out | append [
[active, path];
[($is_act_slot),
(if $is_act_slot {$env.PWD} else {$p.item}) # show current PWD in lieu of active slot
]
])
}
$out
}
export alias shells = show
export def --env goto [shell?: int] {
deprecation_warning
if $shell == null {
return (show)
}
if $shell < 0 or $shell >= ($env.DIRS_LIST | length) {
let span = (metadata $shell | get span)
error make {
msg: $"(ansi red_bold)invalid_shell_index(ansi reset)"
label: {
text: $"`shell` should be between 0 and (($env.DIRS_LIST | length) - 1)"
span: $span
}
}
}
_fetch ($shell - $env.DIRS_POSITION)
}
export alias g = goto
# fetch item helper
def --env _fetch [
offset: int, # signed change to position
--forget_current # true to skip saving PWD
--always_cd # true to always cd
] {
if not ($forget_current) {
# first record current working dir in current slot of ring, to track what CD may have done.
$env.DIRS_LIST = ($env.DIRS_LIST | upsert $env.DIRS_POSITION $env.PWD)
}
# figure out which entry to move to
# nushell 'mod' operator is really 'remainder', can return negative values.
# see: https://stackoverflow.com/questions/13683563/whats-the-difference-between-mod-and-remainder
let len = ($env.DIRS_LIST | length)
mut pos = ($env.DIRS_POSITION + $offset) mod $len
if ($pos < 0) { $pos += $len}
# if using a different position in ring, CD there.
if ($always_cd or $pos != $env.DIRS_POSITION) {
$env.DIRS_POSITION = $pos
cd ($env.DIRS_LIST | get $pos )
}
}