23 lines
612 B
Plaintext
23 lines
612 B
Plaintext
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#!/bin/bash
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## `echo`s:
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## * 'true' - if all upgrades have been installed
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## * 'false' - if there are pending upgrades
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## * nothing - if apt-get is currently locked
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##
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## Forwards the exit code of the package manager.
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if [ -e /etc/system-release ]; then
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## Fedora
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yum_output="$(yum -q check-update 2>&1)"
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exit_code="$?"
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[ "$exit_code" -eq 100 ] && echo "true" || echo "false"
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else
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## Debian
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apt_get_output="$(LANG="C" apt-get -s upgrade 2>&1)"
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exit_code="$?"
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echo "$apt_get_output" | awk "/^Inst/{ print $2 }" | [ "$(wc -L)" -eq 0 ] && echo "true" || echo "false"
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fi
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exit "$exit_code"
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