I cannot install Pecker on Big Sur (possibly due to being beta, but maybe you know).
If trying via Homebrew it throws an error, and trying a manual install via make install throws the following build error:
Cloning https://github.com/apple/swift-argument-parser.git
Resolving https://github.com/apple/swift-argument-parser.git at main
warning: Swift compiler no longer supports statically linking the Swift libraries. They're included in the OS by default starting with macOS Mojave 10.14.4 beta 3. For macOS Mojave 10.14.3 and earlier, there's an optional Swift library package that can be downloaded from "More Downloads" for Apple Developers at https://developer.apple.com/download/more/
warning: Swift compiler no longer supports statically linking the Swift libraries. They're included in the OS by default starting with macOS Mojave 10.14.4 beta 3. For macOS Mojave 10.14.3 and earlier, there's an optional Swift library package that can be downloaded from "More Downloads" for Apple Developers at https://developer.apple.com/download/more/
warning: Swift compiler no longer supports statically linking the Swift libraries. They're included in the OS by default starting with macOS Mojave 10.14.4 beta 3. For macOS Mojave 10.14.3 and earlier, there's an optional Swift library package that can be downloaded from "More Downloads" for Apple Developers at https://developer.apple.com/download/more/
/Users/christian/Pecker/.build/checkouts/Yams/Sources/Yams/Emitter.swift:338:32: warning: initialization of 'UnsafeMutablePointer<yaml_version_directive_t>' (aka 'UnsafeMutablePointer<yaml_version_directive_s>') results in a dangling pointer
versionDirective = UnsafeMutablePointer(&versionDirectiveValue)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/christian/Pecker/.build/checkouts/Yams/Sources/Yams/Emitter.swift:338:53: note: implicit argument conversion from 'yaml_version_directive_t' (aka 'yaml_version_directive_s') to 'UnsafeMutablePointer<yaml_version_directive_t>' (aka 'UnsafeMutablePointer<yaml_version_directive_s>') produces a pointer valid only for the duration of the call to 'init(_:)'
versionDirective = UnsafeMutablePointer(&versionDirectiveValue)
^~~~~~~~~~~~~~~~~~~~~~
/Users/christian/Pecker/.build/checkouts/Yams/Sources/Yams/Emitter.swift:338:53: note: use 'withUnsafeMutablePointer' in order to explicitly convert argument to pointer valid for a defined scope
versionDirective = UnsafeMutablePointer(&versionDirectiveValue)
^
/Users/christian/Pecker/Sources/Pecker/PeckerCommand.swift:22:6: error: referencing initializer 'init(name:help:)' on 'Flag' requires the types 'Bool' and 'Int' be equivalent
@Flag(name: .shortAndLong, help: "Print the version and exit")
^
/Users/christian/Pecker/.build/checkouts/swift-argument-parser/Sources/ArgumentParser/Parsable Properties/Flag.swift:273:1: note: where 'Value' = 'Bool'
extension Flag where Value == Int {
^
make: *** [build] Error 1
christian@Christians-MacBook-Pro Pecker %
I cannot install Pecker on Big Sur (possibly due to being beta, but maybe you know).
If trying via Homebrew it throws an error, and trying a manual install via
make installthrows the following build error: