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#!/bin/sh
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#
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# An example hook script to verify if you are on battery, in case you
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# are running Linux or OS X. Called by git-gc --auto with no arguments.
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# The hook should exit with non-zero status after issuing an appropriate
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# message if it wants to stop the auto repacking.
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#
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# This hook is stored in the contrib/hooks directory. Your distribution
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# may have put this somewhere else. If you want to use this hook, you
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# should make this script executable then link to it in the repository
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# you would like to use it in.
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#
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# For example, if the hook is stored in
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# /usr/share/git-core/contrib/hooks/pre-auto-gc-battery:
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#
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# cd /path/to/your/repository.git
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# ln -sf /usr/share/git-core/contrib/hooks/pre-auto-gc-battery \
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# hooks/pre-auto-gc
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if test -x /sbin/on_ac_power && (/sbin/on_ac_power;test $? -ne 1)
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then
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exit 0
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elif test "$(cat /sys/class/power_supply/AC/online 2>/dev/null)" = 1
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then
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exit 0
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elif grep -q 'on-line' /proc/acpi/ac_adapter/AC/state 2>/dev/null
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then
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exit 0
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elif grep -q '0x01$' /proc/apm 2>/dev/null
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then
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exit 0
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elif grep -q "AC Power \+: 1" /proc/pmu/info 2>/dev/null
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then
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exit 0
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elif test -x /usr/bin/pmset && /usr/bin/pmset -g batt |
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grep -q "drawing from 'AC Power'"
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then
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exit 0
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fi
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echo "Auto packing deferred; not on AC"
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exit 1
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