From e667b49a4a6d7059c1ae8243961f764551f91a85 Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Mon, 27 Jun 2022 03:38:13 +0200
Subject: Add --variant command line switch to specify build identity to use

---
 src/common.h         |  1 +
 src/idevicerestore.c | 19 +++++++++++++++----
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/src/common.h b/src/common.h
index 634fc09..97d5f96 100644
--- a/src/common.h
+++ b/src/common.h
@@ -124,6 +124,7 @@ struct idevicerestore_client_t {
 	cond_t device_event_cond;
 	int ignore_device_add_events;
 	plist_t macos_variant;
+	char* restore_variant;
 };
 
 extern struct idevicerestore_mode_t idevicerestore_modes[];
diff --git a/src/idevicerestore.c b/src/idevicerestore.c
index 96ba67a..ac628ca 100644
--- a/src/idevicerestore.c
+++ b/src/idevicerestore.c
@@ -87,6 +87,7 @@ static struct option longopts[] = {
 	{ "version",        no_argument,       NULL, 'v' },
 	{ "ipsw-info",      no_argument,       NULL, 'I' },
 	{ "ignore-errors",  no_argument,       NULL,  1  },
+	{ "variant",        required_argument, NULL,  2  },
 	{ NULL, 0, NULL, 0 }
 };
 
@@ -140,6 +141,8 @@ static void usage(int argc, char* argv[], int err)
 	"  -P, --plain-progress  Print progress as plain step and progress\n" \
 	"  -R, --restore-mode    Allow restoring from Restore mode\n" \
 	"  -T, --ticket PATH     Use file at PATH to send as AP ticket\n" \
+	"  --variant VARIANT     Use given VARIANT to match the build identity to use,\n" \
+        "                        e.g. 'Customer Erase Install (IPSW)'\n" \
 	"  --ignore-errors       Try to continue the restore process after certain\n" \
 	"                        errors (like a failed baseband update)\n" \
 	"                        WARNING: This might render the device unable to boot\n" \
@@ -831,18 +834,20 @@ int idevicerestore_start(struct idevicerestore_client_t* client)
 			// finally add manifest
 			plist_dict_set_item(build_identity, "Manifest", manifest);
 		}
+	} else if (client->restore_variant) {
+		build_identity = build_manifest_get_build_identity_for_model_with_variant(client->build_manifest, client->device->hardware_model, client->restore_variant);
 	} else if (client->flags & FLAG_ERASE) {
 		build_identity = build_manifest_get_build_identity_for_model_with_variant(client->build_manifest, client->device->hardware_model, RESTORE_VARIANT_ERASE_INSTALL);
-		if (build_identity == NULL) {
-			error("ERROR: Unable to find any build identities\n");
-			return -1;
-		}
 	} else {
 		build_identity = build_manifest_get_build_identity_for_model_with_variant(client->build_manifest, client->device->hardware_model, RESTORE_VARIANT_UPGRADE_INSTALL);
 		if (!build_identity) {
 			build_identity = build_manifest_get_build_identity_for_model(client->build_manifest, client->device->hardware_model);
 		}
 	}
+	if (build_identity == NULL) {
+		error("ERROR: Unable to find a matching build identity\n");
+		return -1;
+	}
 
 	client->macos_variant = build_manifest_get_build_identity_for_model_with_variant(client->build_manifest, client->device->hardware_model, RESTORE_VARIANT_MACOS_RECOVERY_OS);
 
@@ -1488,6 +1493,7 @@ void idevicerestore_client_free(struct idevicerestore_client_t* client)
 	if (client->preflight_info) {
 		plist_free(client->preflight_info);
 	}
+	free(client->restore_variant);
 	free(client);
 }
 
@@ -1718,6 +1724,11 @@ int main(int argc, char* argv[]) {
 			client->flags |= FLAG_IGNORE_ERRORS;
 			break;
 
+		case 2:
+			free(client->restore_variant);
+			client->restore_variant = strdup(optarg);
+			break;
+
 		default:
 			usage(argc, argv, 1);
 			return EXIT_FAILURE;
-- 
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