Human readable time diffs on lines of output when running e.g. build commands like fastlane
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Adding xcodebuild example to readme
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README.md Adding xcodebuild example to readme Aug 29, 2018

README.md

swiff

Why not let the computer do all that diffing of timestamps you tend to do manually?

👋 Usage

Live with any command

command | swiff

Try it out

while true; do echo "Foo"; sleep $[ ($RANDOM % 3) + 1 ]s; done | swiff

With fastlane

fastlane build | swiff --fastlane

Or even shorter

fastlane build | swiff -f

Or maybe you have an old build log from fastlane?

cat build.log | swiff -f

(Swiff parses the timestamps produced by fastlane)

With xcodebuild

xcrun xcodebuild -project "MyApp.xcodeproj" -scheme "MyApp" | xcpretty | swiff

🤲 Example output

Summary

Useful summary at the end with most important highlights

✌️ Install

Globally by oneliner

git clone git@github.com:agens-no/swiff.git && cd swiff && make && cd .. && rm -rf swiff/

You may now type swiff help from any directory in terminal to verify that the install is complete

What is the oneliner doing?
  1. Uses git to clone swiff to a directory swiff in your current directory
  2. moves in to the created swiff folder
  3. builds swiff using the Makefile (basically compiling Sources/swiff/main.swift and installing swiff at /usr/local/bin/swiff)
  4. moves back out of the folder
  5. deletes the swiff folder

Globally by cloning

git clone git@github.com:agens-no/swiff.git
cd swiff
make

You may now type swiff help from any directory in terminal to verify that the install is complete

Locally by oneliner

curl --fail https://raw.githubusercontent.com/agens-no/swiff/master/Sources/swiff/main.swift > swiff.swift && swiftc -o swiff swiff.swift && rm swiff.swift

You may now type ./swiff help from your current directory and use it like fastlane build | ./swiff -f

What is the oneliner doing?
  1. Uses curl to copy Sources/swiff/main.swift to a file called swiff.swift in your current directory
  2. builds it using your current swift tooling
  3. deletes swiff.swift

Using Mint

$ mint install agens-no/swiff

Installation issues?

Might be because of requirements: Swift 4, Xcode, macOS

Create a new issue and let me know!

Advanced usage

Usage: swiff [-l low] [-m medium] [-h high] [-r reset-mark] [-d diff-mode] [-s summary-limit] [-f --fastlane]
  -l, --low                   Threshold in seconds for low duration color formatting (default: 1)
  -m, --medium                Threshold in seconds for medium duration color formatting (default: 5)
  -h, --high                  Threshold in seconds for high duration color formatting (default: 10)
  -r, --reset-mark            String match to reset total counter (default: none)
  -d, --diff-mode             Valid options is "live" or "fastlane" (default: live)
  -s, --summary-limit         Maximum number of lines in summary (default: 20)

  -f, --fastlane              Shortcut for --diff-mode fastlane --reset-mark "Step :"

Example: cat build.log | swiff --low 1 --medium 5 --high 10 --reset-mark "Step: " --diff-mode live --summary-limit 20

Example: fastlane build | swiff -f

🤙 License

MIT