Add support for Tails Linux

quickget

@@ -186,6 +186,7 @@ function os_support() {
     regolith \
     rockylinux \
     solus \
+    tails \
     ubuntu \
     ubuntu-budgie \
     ubuntu-kylin \
@@ -343,6 +344,10 @@ function releases_solus() {
     4.3-plasma
 }
 
+function releases_tails() {
+    echo stable
+}
+
 function releases_ubuntu() {
     echo bionic \
     focal \
@@ -567,6 +572,9 @@ function make_vm_config() {
     elif [ "${OS}" == "solus" ]; then
         GUEST="linux"
         IMAGE_TYPE="iso"
+    elif [[ "${OS}" == "tails" ]]; then
+        GUEST="linux"
+        IMAGE_TYPE="iso"
     elif [[ "${OS}" == *"ubuntu"* ]]; then
         GUEST="linux"
         IMAGE_TYPE="iso"
@@ -603,6 +611,10 @@ EOF
             echo "boot=\"legacy\"" >> "${OS}-${RELEASE}.conf"
         fi
 
+        if [ "${OS}" == "tails" ]; then
+            echo "boot=\"legacy\"" >> "${OS}-${RELEASE}.conf"
+        fi
+
         if [ "${OS}" == "macos" ]; then
             echo "macos_release=\"${RELEASE}\"" >> "${OS}-${RELEASE}.conf"
         fi
@@ -1100,6 +1112,18 @@ function get_regolith() {
     make_vm_config "${ISO}"
 }
 
+function get_tails() {
+    validate_release "releases_tails"
+
+    RELEASE_JSON_URL="https://tails.boum.org/install/v2/Tails/amd64/${RELEASE}/latest.json"
+    RELEASE_JSON="$(wget -q -O- "$RELEASE_JSON_URL")"
+    URL=$(echo "$RELEASE_JSON" | jq -r '.installations[0]."installation-paths"[]|select(.type=="iso")|."target-files"[0].url')
+    HASH=$(echo "$RELEASE_JSON" | jq -r '.installations[0]."installation-paths"[]|select(.type=="iso")|."target-files"[0].sha256')
+    ISO=$(echo "${URL}" | sed -e "s/.*\/\([^\/]*\)$/\1/")
+    web_get "${URL}" "${VM_PATH}"
+    check_hash "${ISO}" "${HASH}"
+    make_vm_config "${ISO}"
+}
 
 function get_ubuntu() {
     local DEVEL="daily-live"
@@ -1703,6 +1727,8 @@ if [ -n "${2}" ]; then
         get_rocky "${ISOTYPE}"
     elif [ "${OS}" == "solus" ]; then
         get_solus
+    elif [[ "${OS}" == "tails"* ]]; then
+        get_tails
     elif [[ "${OS}" == *"ubuntu"* ]]; then
         get_ubuntu
     elif [ "${OS}" == "windows" ]; then
@@ -1766,6 +1792,8 @@ else
         releases_rockylinux
     elif [ "${OS}" == "solus" ]; then
         releases_solus
+    elif [[ "${OS}" == "tails"* ]]; then
+        releases_tails
     elif [[ "${OS}" == *"ubuntu"* ]]; then
         releases_ubuntu
     elif [ "${OS}" == "windows" ]; then