bluefeet

git tag NEW OLD
git tag -d OLD
git push origin :refs/tags/OLD
git push origin refs/tags/NEW

# Other contributors should clear out the deleted tags from their
# clones or they may re-introduce them to origin by accident.
git pull --prune --tags

# One-liner to rename all tags when migrating from Dist::Zilla to

bluefeet

ffmpeg \
  -i video.mkv \    # Great video, japanese audio.
  -itsoffset -1.0 \ # audio.mp4 is behind by 1 second.
  -i audio.mp4 \    # Bad video, english audio.
  -map 0:v:0 \      # Video from file 0 (video.mkv).
  -map 1:a:0 \      # English audio from file 1 (audio.mp4).
  -map 0:a:0 \      # Japanese audio from file 0.
  -c copy \         # Don't convert anything, just copy the streams.
  new.mkv           # Great video, and with both japanese and english audio tracks.

bluefeet

# files.txt has lines like:
# file '1.mkv'
# file '2.mkv'
ffmpeg -f concat -i files.txt -c copy 0.mkv
# https://stackoverflow.com/a/11175851

bluefeet

 #!/bin/bash
 set -euxo pipefail

https://vaneyckt.io/posts/safer_bash_scripts_with_set_euxo_pipefail/