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harden psub again an undef TMPDIR

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This commit is contained in:
Kurtis Rader 2017-07-04 16:35:32 -07:00
parent bdee54bd10
commit 4853ec0281
1 changed files with 6 additions and 7 deletions
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13
share/functions/psub.fish
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@ -51,25 +51,24 @@ function psub --description "Read from stdin into a file and output the filename
return 1 return 1
end end
set -l TMPDIR $TMPDIR set -l tmpdir /tmp
if test -z "$TMPDIR[1]" set -q TMPDIR
set TMPDIR /tmp and set tmpdir $TMPDIR
end
if test use_fifo = 1 if test use_fifo = 1
# Write output to pipe. This needs to be done in the background so # Write output to pipe. This needs to be done in the background so
# that the command substitution exits without needing to wait for # that the command substitution exits without needing to wait for
# all the commands to exit # all the commands to exit
set dirname (mktemp -d "$TMPDIR[1]"/.psub.XXXXXXXXXX) set dirname (mktemp -d $tmpdir/.psub.XXXXXXXXXX)
or return or return
set filename $dirname/psub.fifo"$suffix" set filename $dirname/psub.fifo"$suffix"
mkfifo $filename mkfifo $filename
cat >$filename & cat >$filename &
else if test -z $suffix else if test -z $suffix
set filename (mktemp "$TMPDIR[1]"/.psub.XXXXXXXXXX) set filename (mktemp $tmpdir/.psub.XXXXXXXXXX)
cat >$filename cat >$filename
else else
set dirname (mktemp -d "$TMPDIR[1]"/.psub.XXXXXXXXXX) set dirname (mktemp -d $tmpdir/.psub.XXXXXXXXXX)
set filename $dirname/psub"$suffix" set filename $dirname/psub"$suffix"
cat >$filename cat >$filename
end end