bootctl: accept makeEntryDirectory in Install Varlink method

The CLI defaults --make-entry-directory to off and lets callers opt in
or request auto mode. The Varlink Install method always ran in auto
mode with no way to override it. Expose the tri-state so IPC callers
can match the CLI behaviour.

Author: r-vdp

src/bootctl/bootctl-install.c

@@ -2113,14 +2113,15 @@ int vl_method_install(
         };
 
         static const sd_json_dispatch_field dispatch_table[] = {
-                { "operation",          SD_JSON_VARIANT_STRING,        json_dispatch_install_operation,     voffsetof(p, context.operation),        SD_JSON_MANDATORY },
-                { "graceful",           SD_JSON_VARIANT_BOOLEAN,       sd_json_dispatch_stdbool,            voffsetof(p, context.graceful),         0                 },
-                { "rootFileDescriptor", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint,               voffsetof(p, root_fd_index),            0                 },
-                { "rootDirectory",      SD_JSON_VARIANT_STRING,        json_dispatch_path,                  voffsetof(p, context.root),             0                 },
-                { "espPath",            SD_JSON_VARIANT_STRING,        json_dispatch_path,                  voffsetof(p, esp_path),                 0                 },
-                { "xbootldrPath",       SD_JSON_VARIANT_STRING,        json_dispatch_path,                  voffsetof(p, xbootldr_path),            0                 },
-                { "bootEntryTokenType", SD_JSON_VARIANT_STRING,        json_dispatch_boot_entry_token_type, voffsetof(p, context.entry_token_type), 0                 },
-                { "touchVariables",     SD_JSON_VARIANT_BOOLEAN,       sd_json_dispatch_tristate,           voffsetof(p, context.touch_variables),  0                 },
+                { "operation",          SD_JSON_VARIANT_STRING,        json_dispatch_install_operation,     voffsetof(p, context.operation),            SD_JSON_MANDATORY },
+                { "graceful",           SD_JSON_VARIANT_BOOLEAN,       sd_json_dispatch_stdbool,            voffsetof(p, context.graceful),             0                 },
+                { "rootFileDescriptor", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint,               voffsetof(p, root_fd_index),                0                 },
+                { "rootDirectory",      SD_JSON_VARIANT_STRING,        json_dispatch_path,                  voffsetof(p, context.root),                 0                 },
+                { "espPath",            SD_JSON_VARIANT_STRING,        json_dispatch_path,                  voffsetof(p, esp_path),                     0                 },
+                { "xbootldrPath",       SD_JSON_VARIANT_STRING,        json_dispatch_path,                  voffsetof(p, xbootldr_path),                0                 },
+                { "bootEntryTokenType", SD_JSON_VARIANT_STRING,        json_dispatch_boot_entry_token_type, voffsetof(p, context.entry_token_type),     0                 },
+                { "makeEntryDirectory", SD_JSON_VARIANT_BOOLEAN,       sd_json_dispatch_tristate,           voffsetof(p, context.make_entry_directory), 0                 },
+                { "touchVariables",     SD_JSON_VARIANT_BOOLEAN,       sd_json_dispatch_tristate,           voffsetof(p, context.touch_variables),      0                 },
                 {},
         };
 

src/shared/varlink-io.systemd.BootControl.c

@@ -137,6 +137,8 @@ static SD_VARLINK_DEFINE_METHOD(
                 SD_VARLINK_DEFINE_INPUT(xbootldrPath, SD_VARLINK_STRING, SD_VARLINK_NULLABLE),
                 SD_VARLINK_FIELD_COMMENT("Selects how to identify boot entries"),
                 SD_VARLINK_DEFINE_INPUT_BY_TYPE(bootEntryTokenType, BootEntryTokenType, SD_VARLINK_NULLABLE),
+                SD_VARLINK_FIELD_COMMENT("Whether to create the '$BOOT/ENTRY-TOKEN/' directory for Boot Loader Specification Type #1 snippets. If not specified this is decided automatically."),
+                SD_VARLINK_DEFINE_INPUT(makeEntryDirectory, SD_VARLINK_BOOL, SD_VARLINK_NULLABLE),
                 SD_VARLINK_FIELD_COMMENT("If true the boot loader will be registered in an EFI boot entry via EFI variables, otherwise this is omitted"),
                 SD_VARLINK_DEFINE_INPUT(touchVariables, SD_VARLINK_BOOL, SD_VARLINK_NULLABLE));
 

test/units/TEST-87-AUX-UTILS-VM.bootctl.sh

@@ -459,9 +459,25 @@ testcase_install_varlink() {
     FAKE_BOOT="$(mktemp --directory /tmp/test-bootctl-boot.XXXXXXXXXX)"
     SYSTEMD_RELAX_ESP_CHECKS=yes SYSTEMD_RELAX_XBOOTLDR_CHECKS=yes SYSTEMD_LOG_TARGET=console \
             varlinkctl call --quiet "$(type -p bootctl)" io.systemd.BootControl.Install \
-            "{\"operation\":\"new\",\"touchVariables\":false,\"espPath\":\"$FAKE_ESP\",\"xbootldrPath\":\"$FAKE_BOOT\"}"
+            "{\"operation\":\"new\",\"touchVariables\":false,\"espPath\":\"$FAKE_ESP\",\"xbootldrPath\":\"$FAKE_BOOT\",\"makeEntryDirectory\":false}"
     test -f "$FAKE_ESP/EFI/systemd/systemd-boot$(bootctl --print-efi-architecture).efi"
     test -f "$FAKE_BOOT/loader/entries.srel"
+    # makeEntryDirectory:false means loader.conf must not gain a "default" line and no entry
+    # token directory is created under $BOOT.
+    (! grep '^default ' "$FAKE_ESP/loader/loader.conf" >/dev/null)
+
+    # Same again into fresh directories with makeEntryDirectory:true, and check loader.conf now
+    # gets a "default <entry-token>-*" line and the entry token directory shows up under $BOOT.
+    rm -rf "$FAKE_ESP" "$FAKE_BOOT"
+    FAKE_ESP="$(mktemp --directory /tmp/test-bootctl-esp.XXXXXXXXXX)"
+    FAKE_BOOT="$(mktemp --directory /tmp/test-bootctl-boot.XXXXXXXXXX)"
+    SYSTEMD_RELAX_ESP_CHECKS=yes SYSTEMD_RELAX_XBOOTLDR_CHECKS=yes SYSTEMD_LOG_TARGET=console \
+            varlinkctl call --quiet "$(type -p bootctl)" io.systemd.BootControl.Install \
+            "{\"operation\":\"new\",\"touchVariables\":false,\"espPath\":\"$FAKE_ESP\",\"xbootldrPath\":\"$FAKE_BOOT\",\"makeEntryDirectory\":true}"
+    local TOKEN
+    TOKEN="$(sed -n 's/^default \(.*\)-\*$/\1/p' "$FAKE_ESP/loader/loader.conf")"
+    test -n "$TOKEN"
+    test -d "$FAKE_BOOT/$TOKEN"
 }
 
 cleanup_link() {