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29 lines
693 B
Bash
29 lines
693 B
Bash
#!/bin/bash -eu
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function check_variable () {
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local var_name="$1"
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if [ -z "${!var_name+x}" ]
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then
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setup_progress "STOP: Define the variable $var_name like this: export $var_name=value"
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exit 1
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fi
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}
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function check_available_space () {
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setup_progress "Verifying that there is sufficient space available on the MicroSD card..."
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local available_space="$( parted -m /dev/mmcblk0 u b print free | tail -1 | cut -d ":" -f 4 | sed 's/B//g' )"
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if [ "$available_space" -lt 4294967296 ]
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then
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setup_progress "STOP: The MicroSD card is too small."
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exit 1
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fi
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setup_progress "There is sufficient space available."
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}
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check_variable "campercent"
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check_available_space
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