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feat(dirhistory): preserve forward directories with cde alias (#9328)

Closes #11954

Co-authored-by: Jeff Williams <jeffsmessages@gmail.com>
This commit is contained in:
Marc Cornellà 2025-03-20 20:28:39 +01:00
parent 22ec00d1f6
commit 407be8f036
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2 changed files with 45 additions and 1 deletions

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@ -60,3 +60,46 @@ to `/usr` again.
After that, <kbd>Alt</kbd> + <kbd>Down</kbd> will probably go to `/usr/bin` if `bin` is the first directory in alphabetical
order (depends on your `/usr` folder structure). <kbd>Alt</kbd> + <kbd>Up</kbd> will return to `/usr`, and once more will get
you to the root folder (`/`).
### cde
This plugin also provides a `cde` alias that allows you to change to a directory without clearing the next directory stack.
This changes the default behavior of `dirhistory`, which is to clear the next directory stack when changing directories.
For example, if the shell was started, and the following commands were entered:
```shell
cd ~
cd /usr
cd share
cd doc
# <Alt + Left>
# <Alt + Left>
```
The directory stack would look like this:
```sh
➜ /usr typeset -pm dirhistory_\*
typeset -ax dirhistory_past=( /home/user /usr )
typeset -ax dirhistory_future=( /usr/share/doc /usr/share )
```
This means that pressing <kbd>Alt</kbd> + <kbd>Right</kbd>, you'd go to `/usr/share` and `/usr/share/doc` (the "future" directories).
If you run `cd /usr/bin`, the "future" directories will be removed, and you won't be able to access them with <kbd>Alt</kbd> + <kbd>Right</kbd>:
```sh
➜ /u/bin typeset -pm dirhistory_\*
typeset -ax dirhistory_past=( /home/user /usr )
typeset -ax dirhistory_future=( /usr/bin )
```
If you instead run `cde /usr/bin`, the "future" directories will be preserved:
```sh
➜ /u/bin typeset -pm dirhistory_\*
typeset -ax dirhistory_past=( /home/user /usr /usr/bin )
typeset -ax dirhistory_future=( /usr/share/doc /usr/share )
```

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@ -11,9 +11,10 @@ dirhistory_past=($PWD)
dirhistory_future=()
export dirhistory_past
export dirhistory_future
export DIRHISTORY_SIZE=30
alias cde='dirhistory_cd'
# Pop the last element of dirhistory_past.
# Pass the name of the variable to return the result in.
# Returns the element if the array was not empty,