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authorLuke Shumaker <lukeshu@parabola.nu>2017-02-15 14:29:19 -0500
committerLuke Shumaker <lukeshu@parabola.nu>2017-04-02 03:55:35 -0400
commit0f62bb7a8c7d92603adea86d510a00a5bb9c78ce (patch)
treed4e85ce66734eeadf90564efed2ec5e323cdc7ea /lib/archroot.sh
parentf696af10af302afc8a50f2d084076371c043fe5d (diff)
lib/common.sh: Make it safe to include multiple times.lukeshu/to-upstream/cleanup-20170402
This is similar to common C #ifdef guards. I was tempted to wrap the entire thing in the if/fi, rather than use 'return' to bail early. However, that means it won't execute anything until after it reaches 'fi'. And if `shopt -s extglob` isn't executed before parsing, then it will syntax-error on the extended globs. One solution would have been to move `shopt -s extglob` up above the include-guard. But the committed solution is all-around simpler.
Diffstat (limited to 'lib/archroot.sh')
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