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zimfw/modules/git/functions/git-root
Matt Hamilton 0c1aa6e133 [git] fix some functions
* remove unneeded explination and authorship comments (as it's
noted in the README.md)

* s/git/command git/ (see issue #30)

* add is-true function, as it is required by a few other functions.
2016-02-04 15:33:12 -05:00

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local root="$(command git rev-parse --show-toplevel 2> /dev/null)"
if [[ -n "${root}" ]]; then
print "${root}"
return 0
else
print "${0}: not a repository work tree: ${PWD}" >&2
return 1
fi