emacs: support BSD mktemp in emacsclient.sh (#8351)

Piping stdin to emacs alias on MacOS was breaking (--tmpdir is not supported in BSD flavored mktemp). Tested in MacOS 10.14 and debian:buster to confirm it still works in linux.

emacs: support BSD mktemp in emacsclient.sh (#8351)
fc99e6db · Eric Dobbs · Marc Cornellà · 1546e122 · fc99e6db
Commit fc99e6db authored Nov 06, 2019 by Eric Dobbs Committed by Marc Cornellà Nov 06, 2019
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emacsclient.sh plugins/emacs/emacsclient.sh +2 -1

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--- a/plugins/emacs/emacsclient.sh
+++ b/plugins/emacs/emacsclient.sh
@@ -20,7 +20,8 @@ _emacsfun()
 # tempfile. (first argument will be `--no-wait` passed in by the plugin.zsh)
 if [ "$#" -ge "2" -a "$2" = "-" ]
 then
-    tempfile="$(mktemp emacs-stdin-$USER.XXXXXXX --tmpdir)"
+    tempfile="$(mktemp --tmpdir emacs-stdin-$USER.XXXXXXX 2>/dev/null \
+                || mktemp -t emacs-stdin-$USER)" # support BSD mktemp
    cat - > "$tempfile"
    _emacsfun --no-wait $tempfile
 else