Use 'git mv' to record filename case changes in Git
Ole Begemannby Ole Begemann16 Dec 2025
After my previous post Tracking renamed files in Git, here’s another entry in my ongoing series “I thought git mv was useless but I was wrong”.
Ole Begemann
oleb.netadded August 2026
top 8%Tracking renamed files in Git
Ole Begemannby Ole Begemann15 Dec 2025
Git famously doesn’t track file renames. That is, Git doesn’t store the information “file A has been renamed to B in commit X”. Instead, Git stores snapshots of the repository at each commit.
Building with nightly Swift toolchains on macOS
Ole Begemannby Ole Begemann5 Mar 2024
The Swift website provides nightly builds of the Swift compiler (called toolchains) for download.
How the Swift compiler knows that DispatchQueue.main implies @MainActor
Ole Begemannby Ole Begemann29 Feb 2024
You may have noticed that the Swift compiler automatically treats the closure of a DispatchQueue.main.async call as @MainActor.
How the relative size modifier interacts with stack views
Ole Begemannby Ole Begemann24 Mar 2023
I have one more thing to say on the relative sizing view modifier from my previous post, Working with percentages in SwiftUI layout. I’m assuming you’ve read that article.
Working with percentages in SwiftUI layout
Ole Begemannby Ole Begemann23 Mar 2023
SwiftUI’s layout primitives generally don’t provide relative sizing options, e.g. “make this view 50 % of the width of its container”. Let’s build our own!
Understanding SwiftUI view lifecycles
Ole Begemannby Ole Begemann15 Dec 2022
I wrote an app called SwiftUI View Lifecycle. The app allows you to observe how different SwiftUI constructs and containers affect a view’s lifecycle, including the lifetime of its state and when...
Xcode 14.0 generates wrong concurrency code for macOS targets
Ole Begemannby Ole Begemann12 Oct 2022
Mac apps built with Xcode 14.0 and 14.0.1 may contain concurrency bugs because the Swift 5.7 compiler can generate invalid code when targeting the macOS 12.3 SDK.
Experimenting with Live Activities
Ole Begemannby Ole Begemann3 Aug 2022
iOS 16 beta 4 is the first SDK release that supports Live Activities. A Live Activity is a widget-like view an app can place on your lock screen and update in real time.
How @MainActor works
Ole Begemannby Ole Begemann5 May 2022
@MainActor is a Swift annotation to coerce a function to always run on the main thread and to enable the compiler to verify this. How does this work?
AttributedString’s Codable format and what it has to do with Unicode
Ole Begemannby Ole Begemann27 Apr 2022
Here’s a simple AttributedString with some formatting: import Foundation let str = try! AttributedString( markdown: "Café **Sol**", options: .init(interpretedSyntax: .inlineOnly) ) AttributedString...