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Transform JRuby shebangs to absolute paths, fixing recursion within rbenv

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The default shebang for binstubs in a JRuby installation is
`#!/usr/bin/env jruby`. On a rbenv-managed JRuby, this will execute the
`jruby` rbenv shim. In a situation where a JRuby tool like `gem` is
executed from within a running rbenv by a rbenv plugin, (e.g.
rbenv-gemset) this can trigger another rbenv run to resolve the shim.
This can lead to endless recursion of rbenv calls.

Fixes #471, closes #473
References jf/rbenv-gemset#56
This commit is contained in:
Thomas Seliger 2013-12-17 19:35:54 +01:00 • committed by Mislav Marohnić
parent 8ebfd1d0a9
commit 76b632892b
1 changed files with 9 additions and 0 deletions
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bin/ruby-build
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@ -507,6 +507,7 @@ build_package_jruby() {
ln -fs jruby ruby ln -fs jruby ruby
install_jruby_launcher install_jruby_launcher
remove_windows_files remove_windows_files
fix_jruby_shebangs
} }
install_jruby_launcher() { install_jruby_launcher() {
@ -515,6 +516,14 @@ install_jruby_launcher() {
} >&4 2>&1 } >&4 2>&1
} }
fix_jruby_shebangs() {
for file in "${PREFIX_PATH}/bin"/*; do
if [ "$(head -c 20 "$file")" = "#!/usr/bin/env jruby" ]; then
sed -i '' -E "1s:.+:#\!${PREFIX_PATH}/bin/jruby:" "$file"
fi
done
}
remove_windows_files() { remove_windows_files() {
cd "$PREFIX_PATH" cd "$PREFIX_PATH"
rm -f bin/*.exe bin/*.dll bin/*.bat bin/jruby.sh rm -f bin/*.exe bin/*.dll bin/*.bat bin/jruby.sh