Migrate fetch_changesets to GitHub Actions

Author: k0kubun

README.md

@@ -12,7 +12,6 @@ On each commit of Ruby's Git repository, following git hooks are triggered:
 ### post-receive
 
 * Send notification to [email protected]
-* Request Redmine to fetch changesets
 
 ## The directory structure of `git.ruby-lang.org`
 

hooks/post-receive.sh

@@ -27,7 +27,4 @@ log "==> commit-email.rb"
    --viewer-uri "https://github.com/ruby/ruby/commit/" \
    --error-to [email protected]
 
-log "==> redmine fetch changesets"
-curl -s "https://bugs.ruby-lang.org/sys/fetch_changesets?key=`cat ~git/config/redmine.key`" &
-
 log "### end ###\n"