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quickemu
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fix: don't crash if public dir does not exist 

On my machine, I do not have a `~/Public` directory, which causes
quickqemu to spit out a warning and then crash:

```console
$ quickemu --vm vm.conf
 - WARNING! Public directory: '/home/jeremy/Public' doesn't exist!
Quickemu 4.9.7 using /nix/store/nk59c14nwf79bafmrsnnhndmpnrlplrv-qemu-10.1.0/bin/qemu-system-x86_64 v10.1.0
...
 - 9P:       On guest: sudo mount -t 9p -o trans=virtio,version=9p2000.L,msize=104857600  ~/Public
...
 - Process:  ERROR! Failed to start /nix/store/va3md6gv82fqf7pxbfxd0cd5gfnmnz9f-vm.conf as va3md6gv82fqf7pxbfxd0cd5gfnmnz9f-vm

qemu-system-x86_64: -netdev user,hostname=va3md6gv82fqf7pxbfxd0cd5gfnmnz9f-vm,hostfwd=tcp::22220-:22,smb=/home/jeremy/Public,id=nic: Error accessing shared directory '/home/jeremy/Public': No such file or directory
```

Here's my `vm.conf`. Note how I'm not asking for a public dir:

```
iso="/nix/store/q3j8357dz3kmyjv84wfj4pyn20b65h9l-nixos-minimal-25.11pre-git-x86_64-linux.iso/iso/nixos-minimal-25.11pre-git-x86_64-linux.iso"
```
This commit is contained in:
Jeremy Fleischman 2025-10-15 19:43:57 -04:00 committed by Phil Clifford
parent aaf00ca76a
commit 68e1eb5382
1 changed files with 1 additions and 0 deletions
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@ -1823,6 +1823,7 @@ function fileshare_param_check() {
if [ ! -d "${PUBLIC}" ]; then
echo " - WARNING! Public directory: '${PUBLIC}' doesn't exist!"
PUBLIC=""
else
PUBLIC_TAG="Public-${USER,,}"
PUBLIC_PERMS=$(${STAT} -c "%A" "${PUBLIC}")