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29 lines
504 B
Bash
29 lines
504 B
Bash
# -*- sh -*-
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if (FOO=FOO; unset FOO) >/dev/null 2>&1; then
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as_unset=unset
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else
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as_unset=false
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fi
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envvar_check_failed=0
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vars='
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BLOCKSIZE
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BLOCK_SIZE
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DF_BLOCK_SIZE
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DU_BLOCK_SIZE
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LS_BLOCK_SIZE
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SIMPLE_BACKUP_SUFFIX
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VERSION_CONTROL
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'
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for var in $vars
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do
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$as_unset $var
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if eval test \"\${$var+set}\" = set; then
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echo "$0: the $var environment variable is set --" \
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' unset it and rerun this test' >&2
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envvar_check_failed=1
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fi
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done
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test "$envvar_check_fail" = 1 && exit 1
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