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version/version.sh: strip wc whitespace on macos

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The output of `wc -l` on darwin starts with a tab:

	git rev-list 266f6548611ad0de93e7470eb13731db819f184b..HEAD | wc -l
	       0

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
This commit is contained in:
David Crawshaw 2020-11-08 10:29:58 -05:00
parent b1de2020d7
commit e9bca0c00b
1 changed files with 1 additions and 1 deletions
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2
version/version.sh
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@ -33,7 +33,7 @@ case $# in
# that git displays the full commit hash.
git_hash=$(git describe --always --dirty --exclude '*' --abbrev=200)
# The number of extra commits between the release base to git_hash.
change_count=$(git rev-list ${base_git_hash}..HEAD | wc -l)
change_count=$(git rev-list ${base_git_hash}..HEAD | wc -l | sed 's/ *//')
;;
6)
# Test mode: rather than run git commands and whatnot, take in