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6cb0354e19
- Always use $PWD/o. if it doesn't exist, say how to create it. - return 2 on unsupported platforms.
23 lines
487 B
Bash
23 lines
487 B
Bash
[[ -f /proc/mounts ]] || {
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echo "mkofs: only supported on linux" >&2
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return 2
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}
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local o
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if [[ -d o ]]; then
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o=$(pwd -P)/o
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else
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echo "mkofs: o/ not found" >&2
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echo "suggested preparation:" >&2
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echo " mkdir -m 555 o" >&2
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return 1
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fi
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cut -d' ' -f2 /proc/mounts | while read -r line; do
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if [[ "$o" = "$line" ]]; then
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echo "mkofs: $o already mounted" >&2
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return 0
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fi
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done
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( set -x
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sudo mount -t tmpfs -o size=10G,noatime,nodiratime /dev/shm "$o"
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)
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# vim:ft=zsh
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