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Diffstat (limited to 'man')
-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 ba6844c5..c9ab2309 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 |