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Introduce TART_NO_AUTO_PRUNE (#565)

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* Introduce `TART_NO_AUTO_PRUNE`

Similar to `HOMEBREW_NO_AUTO_UPDATE`

* Self review
This commit is contained in:
Fedor Korotkov
2023-07-25 16:01:53 +00:00
committed by GitHub
parent d4fcecd47c
commit 704811e671
3 changed files with 28 additions and 2 deletions
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Sources/tart/Commands/Clone.swift
+14 -1
View File
@@ -3,7 +3,20 @@ import Foundation
import SystemConfiguration
struct Clone: AsyncParsableCommand {
static var configuration = CommandConfiguration(abstract: "Clone a VM")
static var configuration = CommandConfiguration(
abstract: "Clone a VM",
discussion: """
Creates a local virtual machine by cloning either a remote or another local virtual machine.
Due to copy-on-write magic in Apple File System a cloned VM won't actually claim all the space right away.
Only changes to a cloned disk will be written and claim new space. By default, Tart checks available capacity
in Tart's home directory and checks if there is enough space for the worst possible scenario: when the whole disk
will be modified.
This behaviour can be disabled by setting TART_NO_AUTO_PRUNE environment variable. This might be helpful
for use cases when the original image is very big and a workload is known to only modify a fraction of the cloned disk.
"""
)
@Argument(help: "source VM name")
var sourceName: String
Sources/tart/Commands/Prune.swift
+4
View File
@@ -105,6 +105,10 @@ struct Prune: AsyncParsableCommand {
}
static func reclaimIfNeeded(_ requiredBytes: UInt64, _ initiator: Prunable? = nil) throws {
if ProcessInfo.processInfo.environment.keys.contains("TART_NO_AUTO_PRUNE") {
return
}
SentrySDK.configureScope { scope in
scope.setContext(value: ["requiredBytes": requiredBytes], key: "Prune")
}
Sources/tart/Commands/Pull.swift
+10 -1
View File
@@ -3,7 +3,16 @@ import Dispatch
import SwiftUI
struct Pull: AsyncParsableCommand {
static var configuration = CommandConfiguration(abstract: "Pull a VM from a registry")
static var configuration = CommandConfiguration(
abstract: "Pull a VM from a registry",
discussion: """
Pulls a virtual machine from a remote OCI-compatible registry. Supports authorization via Keychain (see "tart login --help"),
Docker credential helpers defined in ~/.docker/config.json or via TART_REGISTRY_USERNAME/TART_REGISTRY_PASSWORD environment variables.
By default, Tart checks available capacity in Tart's home directory and tries to reclaim minimum possible storage for the remote image to fit via "tart prune".
This behaviour can be disabled by setting TART_NO_AUTO_PRUNE environment variable.
"""
)
@Argument(help: "remote VM name")
var remoteName: String