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| author | Homu <homu@barosl.com> | 2016-09-20 14:42:08 +0900 |
|---|---|---|
| committer | Samuel Giddins <segiddins@segiddins.me> | 2016-09-30 12:27:07 -0500 |
| commit | ec6355e5b0739af55c7abb617325028545fb2d33 (patch) | |
| tree | cf354c0e0704d1dd234df922a6d299c4dcd831a1 | |
| parent | de408924e46290a7679ef4721a9a5f7e57be2e4f (diff) | |
| download | bundler-ec6355e5b0739af55c7abb617325028545fb2d33.tar.gz | |
Auto merge of #4968 - bundler:seg-exec-load-docs, r=indirect
Update bundle-exec docs for exec loading
See https://github.com/bundler/bundler/issues/4852 @indirect
| -rw-r--r-- | man/bundle-exec.ronn | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/man/bundle-exec.ronn b/man/bundle-exec.ronn index ba6844c5c2..c9ab2309e4 100644 --- a/man/bundle-exec.ronn +++ b/man/bundle-exec.ronn @@ -63,6 +63,15 @@ It also modifies Rubygems: making system executables work * Add all gems in the bundle into Gem.loaded_specs +### Loading + +By default, when attempting to `bundle exec` to a file with a ruby shebang, +Bundler will `Kernel.load` that file instead of using `Kernel.exec`. For the +vast majority of cases, this is a performance improvement. In a rare few cases, +this could cause some subtle side-effects (such as dependence on the exact +contents of `$0` or `__FILE__`) and the optimization can be disabled by enabling +the `disable_exec_load` setting. + ### Shelling out Any Ruby code that opens a subshell (like `system`, backticks, or `%x{}`) will |