Alvaro Herrera 088c065ce8 pg_upgrade: Fix exec_prog API to be less flaky ...

The previous signature made it very easy to pass something other than
the printf-format specifier in the corresponding position, without any
warning from the compiler.

While at it, move some of the escaping, redirecting and quoting
responsibilities from the callers into exec_prog() itself.  This makes
the callsites cleaner.

2012-08-27 14:29:14 -04:00

7.9 KiB

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