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#!/bin/sh
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current_branch="$(git branch --show-current)"
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trap back_to_current_branch 1 2 3 6 15
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back_to_current_branch() {
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git checkout "$current_branch"
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exit 1
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}
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git checkout master
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git pull --rebase upstream master
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git push -f
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git checkout "$current_branch"
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git rebase master
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