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venv_helpers.nu
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venv_helpers.nu
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use path_extensions.nu *
def has-sub [
folder: string,
subfolder: string
] {
not (path find-sub $folder $subfolder | is-empty);
}
def get-env [
name: string
default: any
] {
(if ($name in $env) {
$env | get $name
}
else {
$default
})
}
export def venv-is-active [] {
'__auto_venv' in (overlay list)
}
export def has-entered-venv [
after: path,
] {
let target = (path find-sub $after $env.AUTO_VENV_TRIGGER)
(if ($target | is-empty) {
false
}
else {
# if venv is already active, handle it in "venv swap" hook
not (venv-is-active)
})
}
export def has-swapped-venv [
after: path,
] {
(if not (venv-is-active) {
false
}
else {
let target = (path find-sub $after $env.AUTO_VENV_TRIGGER)
(if ($target | is-empty) {
false
}
else {
(if ('VIRTUAL_ENV' in $env) {
$env.VIRTUAL_ENV != $target
} else {
false # should it default to `false`?
})
})
})
}
export def has-exited-venv [
after: path,
] {
(if not (venv-is-active) {
false
}
else {
not (has-sub $after $env.AUTO_VENV_TRIGGER)
})
}