Add refresh, vm_inst, and vm_rm fish functions

.config/fish/functions/refresh.fish

@@ -0,0 +1,7 @@
+function refresh
+    while true
+        sleep 1
+        clear
+        $argv
+    end
+end

.config/fish/functions/vm_inst.fish

@@ -0,0 +1,49 @@
+function vm_inst -a name os_variant install_source
+    argparse \
+        'm/memory=' \
+        'c/cpus=' \
+        'd/disk-size=' \
+        'b/bridge=' \
+        'i/import' \
+        -- $argv
+
+    set -l memory '4096'
+    set -l vcpus '2'
+    set -l disk_size '40'
+    set -l bridge_iface 'br0'
+
+    if test -n "$_flag_m"
+        set memory $_flag_m
+    end
+
+    if test -n "$_flag_c"
+        set vcpus $_flag_c
+    end
+
+    if test -n "$_flag_d"
+        set disk_size $_flag_d
+    end
+
+    if test -n "$_flag_b"
+        set bridge_iface $_flag_b
+    end
+
+    set -l inst_args \
+        --name $name \
+        --memory $memory \
+        --vcpus $vcpus \
+        --os-variant $os_variant \
+        --network bridge=$bridge_iface \
+
+    if test -n "$_flag_i"
+        set inst_args $inst_args \
+            --disk $install_source \
+            --import
+    else
+        set inst_args $inst_args \
+            --disk size=$disk_size,sparse=yes \
+            --cdrom $install_source
+    end
+
+    virt-install $inst_args
+end

.config/fish/functions/vm_rm.fish

@@ -0,0 +1,5 @@
+function vm_rm -a domain -d 'Destroy, undefine, and delete the volume of a domain'
+    virsh destroy $domain
+    virsh undefine $domain
+    virsh vol-delete /home/m/libvirt/$domain.qcow2
+end