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authorDave Reisner <dreisner@archlinux.org>2014-12-22 09:04:53 -0500
committerAllan McRae <allan@archlinux.org>2016-12-05 15:20:08 +1000
commit9ce2c9b1872b44cebe1ce54c2a7398fbbc31fc6a (patch)
tree3bc2f505d7b29e0e24d05ac377bba0f0d6a5de31 /doc
parentcef0d726b454fcd93fc3d42ee7372c1f290db758 (diff)
downloadpacman-9ce2c9b1872b44cebe1ce54c2a7398fbbc31fc6a.tar.xz
makepkg: make run_function_safe more robust
Use shopt to set/reset errexit and errtrace, which lets us: 1) be more vigilant, resetting anything the user might do to us in PKGBUILD functions. 2) use human-readable words (errexit vs. -e) On top of this, introduce a new save/restore for the shell's other shopts. A user should not have any expectations that what happens in one function is available in another function, if it isn't explicitly defined in the PKGBUILD. While this change does not make that assertion, it gets us closer. We also replace a variable which comes from out of nowhere (pkgfunc) with the positional parameter containing the same value. Quoting is adjusted to make the expansion happen at the time the trap is set, rather than later on.
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