Skip to content
Create a gist now

Instantly share code, notes, and snippets.

Script to prune any tags which exist locally but not on the remote
#!/usr/bin/env ruby
require 'readline'
def prompt(prompt="> ")
input = nil
prompt += " " unless prompt =~ /\s$/
loop do
input = Readline.readline(prompt)
break if input.length > 0
end
return input
end
remote = ARGV[0]
dry_run = ARGV.include?("--dry-run")
if !remote || remote == "--dry-run"
puts "no remote specified, assuming 'origin'"
remote = "origin"
end
local_tags = `git tag`.split("\n")
remote_tags = []
remote_tag_details = `git ls-remote --tags #{remote}`.split("\n")
remote_tag_details.each do |details|
sha, tag = details.split("\t")
next if tag[-3, 3] == "^{}"
remote_tags << tag.gsub(%r(^refs/tags/), '')
end
delete_tags = []
local_tags.each do |local_tag|
next if remote_tags.include?(local_tag)
puts "local tag '#{local_tag}' not found in '#{remote}'"
delete_tags << local_tag
end
if delete_tags.empty?
abort "No tags found locally which aren't on '#{remote}'"
end
if dry_run
puts "#{delete_tags.size} tags would have been deleted, run without --dry-run to do the deed"
else
response = prompt("Are you sure you want to delete these tags? (yn)")
if response.downcase.strip =~ /^y/
delete_tags.each do |local_tag|
`git tag -d #{local_tag}`
end
puts "#{delete_tags.size} tags have been deleted"
else
puts "Aborted"
end
end
@jfelchner

Awesome. Just what I was looking for. Thanks!

@aferouz
aferouz commented Nov 24, 2014

What is the license for this code?

If not copyrighted would you mind adding:
/*
Not copyrighted -- provided to the public domain
*/

@lfilho
lfilho commented Jun 9, 2015

Just do:

git tag -l | xargs git tag -d
git fetch
@julias-shaw

Won't that delete every local tag?

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Something went wrong with that request. Please try again.