···

       
407
       
407
       
 
       


     

       
408
       
408
       
 
       
tmpDir=$(mktemp -t -d nixos-rebuild.XXXXXX)

     

       
409
       
409
       
 
       


     

       
410
       
410
       
+
       
if [[ ${#tmpDir} -ge 60 ]]; then

     

       
411
       
411
       
+
       
    # Very long tmp dirs lead to "too long for Unix domain socket"

     

       
412
       
412
       
+
       
    # SSH ControlPath errors. Especially macOS sets long TMPDIR paths.

     

       
413
       
413
       
+
       
    rmdir "$tmpDir"

     

       
414
       
414
       
+
       
    tmpDir=$(TMPDIR= mktemp -t -d nixos-rebuild.XXXXXX)

     

       
415
       
415
       
+
       
fi

     

       
416
       
416
       
+
       


     

       
410
       
417
       
 
       
cleanup() {

     

       
411
       
418
       
 
       
    for ctrl in "$tmpDir"/ssh-*; do

     

       
412
       
419
       
 
       
        ssh -o ControlPath="$ctrl" -O exit dummyhost 2>/dev/null || true