Prefer .bash_profile as the install site?

[dimo414]

Original report by Michael Diamond (Bitbucket: dimo414).

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As discussed here (and lots of other places), .bashrc is loaded on every shell invocation, whereas .bash_profile is only loaded on login. This suggests loading ProfileGem in .bash_profile would save some parsing time on each new shell interactive session in a given login.

It would have some disadvantages though:

• Changes and updates would "regress" in new shells in the same login (shell A runs pgem_update, a newly created shell B would need to run pgem_reload to pick up those changes)
• Commands (in commands.sh) would still need to be invoked in .bashrc

It might be possible to support sourcing ProfileGem in both .bash_profile and .bashrc and have it short-circuit in .bashrc if nothing has changed (but still run all commands.sh).

[dimo414]

No, this doesn't make sense. Login shells should source ProfileGem if they need to.