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rtomayko/gem-apply

Created February 13, 2015 04:10
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Apply a patch to a bundle installed gem (not for the faint of heart)
Raw
gem-apply
#!/bin/sh
#/ Usage: gem-apply <gem> <patchfile
#/ Apply a patch to a locally installed gem.
#/
#/ Example:
#/ % curl https://github.com/jekyll/jekyll/pull/3452.patch | gem-apply jekyll
#/ patching file lib/jekyll/commands/serve.rb
#/ Hunk #1 succeeded at 39 (offset -1 lines).
#/ Hunk #2 succeeded at 125 (offset -6 lines).
#/ patching file lib/jekyll/commands/serve.rb
#/ Hunk #1 succeeded at 39 (offset -1 lines).
#/ Hunk #2 succeeded at 94 (offset -5 lines).
#/ Hunk #3 succeeded at 140 (offset -6 lines).
set -e
# Find location of gem and apply patch.
gemroot=$(bundle show "$1")
patch -d "$gemroot" -b -p1
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