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update.sh: do not restore stable (tag) branch

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Restoring stable branch post-update could lead to unsuspecting users
with homebrew.devcmdrun being stuck forever on an old tag.

Fixes #1111.
This commit is contained in:
Zhiming Wang 2016-09-24 05:45:21 -04:00
parent 12aad5c65f
commit 07866f0b54
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GPG Key ID: BBD31D4D110044B8
1 changed files with 2 additions and 1 deletions
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3
Library/Homebrew/cmd/update.sh
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@ -297,7 +297,8 @@ EOS
if [[ -n "$HOMEBREW_NO_UPDATE_CLEANUP" ]]
then
if [[ "$INITIAL_BRANCH" != "$UPSTREAM_BRANCH" && -n "$INITIAL_BRANCH" ]]
if [[ "$INITIAL_BRANCH" != "$UPSTREAM_BRANCH" && -n "$INITIAL_BRANCH" &&
! "$INITIAL_BRANCH" =~ ^v[0-9]+\.[0-9]+\.[0-9]$ ]]
then
git checkout "$INITIAL_BRANCH" "${QUIET_ARGS[@]}"
fi