b6438b9c8f
With not-that-recent mkimage-profiles development, it's no longer apparent that at least a gigabyte of free space is required to build something useful (at least for the tests, like syslinux.iso). In short, the guesser cutoff margin is now 256M.
30 lines
834 B
Bash
Executable File
30 lines
834 B
Bash
Executable File
#!/bin/sh
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# analyze free space, preferring tmpfs over really many gigaz
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# hope there aren't spaces in RM's $HOME are they?
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DIRS="$TMP $TMPDIR $HOME/hasher /tmp /var/tmp"
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MINSIZE=262144 # face control criterion
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# pick existing, writeable, >256M free space dirs
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# rank them wrt type: tmpfs > realfs > rootfs
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choose_tmpdir() {
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for i in $DIRS; do
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[ -d "$i" -a -w "$i" ] || continue
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echo -n "$i "
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df -Tl "$i" | tail -1
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done \
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| sort -unk6 \
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| while read dir dev fstype size used free percent mnt; do
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[ "$free" -gt "$MINSIZE" ] || continue
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[ "$fstype" = "tmpfs" ] && { echo "2 $dir $free"; continue; }
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[ "$mnt" = "/" ] && { echo "0 $dir $free"; continue; }
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echo "1 $dir $free"
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done \
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| sort -n \
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| tail -1 \
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| cut -f2 -d' '
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}
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DIR="`choose_tmpdir`"
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mktemp -d "${1:-tmpdir}.XXXXXXX" --tmpdir="${DIR:-`realpath ..`}"
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