p4lang · vbnogueira · Oct 7, 2024 · Oct 7, 2024
diff --git a/backends/tc/tc.def b/backends/tc/tc.def
@@ -622,7 +622,7 @@ class TCPipeline {
     }
     toString {
         std::string tcCode = absl::StrCat("#!/bin/bash -x\n",
-                                        "\nset -e\n", "\nTC=\"tc\"",
+                                        "\nset -e\n", "\n: \"${TC:=\"tc\"}\"",
                                         "\n$TC p4template create pipeline/", pipelineName.string_view(),
                                         " numtables ", numTables);
         if (!actionDefs.empty()) {

diff --git a/testdata/p4tc_samples_outputs/add_entry_1_example.template b/testdata/p4tc_samples_outputs/add_entry_1_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/add_entry_1_example numtables 1
 
 $TC p4template create action/add_entry_1_example/MainControlImpl/send_nh actid 1 \

diff --git a/testdata/p4tc_samples_outputs/add_entry_3_example.template b/testdata/p4tc_samples_outputs/add_entry_3_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/add_entry_3_example numtables 1
 
 $TC p4template create action/add_entry_3_example/MainControlImpl/send_nh actid 1 \

diff --git a/testdata/p4tc_samples_outputs/add_entry_example.template b/testdata/p4tc_samples_outputs/add_entry_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/add_entry_example numtables 2
 
 $TC p4template create action/add_entry_example/MainControlImpl/next_hop actid 1

diff --git a/testdata/p4tc_samples_outputs/calculator.template b/testdata/p4tc_samples_outputs/calculator.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/calculator numtables 1
 
 $TC p4template create action/calculator/MainControlImpl/operation_add actid 1

diff --git a/testdata/p4tc_samples_outputs/checksum.template b/testdata/p4tc_samples_outputs/checksum.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/checksum numtables 1
 
 $TC p4template create action/checksum/ingress/send_nh actid 1 \

diff --git a/testdata/p4tc_samples_outputs/const_entries_range_mask.template b/testdata/p4tc_samples_outputs/const_entries_range_mask.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/const_entries_range_mask numtables 1
 
 $TC p4template create action/const_entries_range_mask/MainControlImpl/a actid 1

diff --git a/testdata/p4tc_samples_outputs/default_action_example.template b/testdata/p4tc_samples_outputs/default_action_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/default_action_example numtables 2
 
 $TC p4template create action/default_action_example/MainControlImpl/next_hop actid 1 \

diff --git a/testdata/p4tc_samples_outputs/default_action_example_01.template b/testdata/p4tc_samples_outputs/default_action_example_01.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/default_action_example_01 numtables 2
 
 $TC p4template create action/default_action_example_01/MainControlImpl/next_hop actid 1 \

diff --git a/testdata/p4tc_samples_outputs/default_action_with_param.template b/testdata/p4tc_samples_outputs/default_action_with_param.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/default_action_with_param numtables 2
 
 $TC p4template create action/default_action_with_param/MainControlImpl/next_hop actid 1 \

diff --git a/testdata/p4tc_samples_outputs/default_action_with_param_01.template b/testdata/p4tc_samples_outputs/default_action_with_param_01.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/default_action_with_param_01 numtables 2
 
 $TC p4template create action/default_action_with_param_01/MainControlImpl/next_hop actid 1

diff --git a/testdata/p4tc_samples_outputs/default_hit_const_example.template b/testdata/p4tc_samples_outputs/default_hit_const_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/default_hit_const_example numtables 1
 
 $TC p4template create action/default_hit_const_example/MainControlImpl/tcp_syn_packet actid 1

diff --git a/testdata/p4tc_samples_outputs/digest.template b/testdata/p4tc_samples_outputs/digest.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/digest numtables 1
 
 $TC p4template create action/digest/ingress/send_nh actid 1 \

diff --git a/testdata/p4tc_samples_outputs/digest_01.template b/testdata/p4tc_samples_outputs/digest_01.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/digest_01 numtables 1
 
 $TC p4template create action/digest_01/ingress/send_nh actid 1 \

diff --git a/testdata/p4tc_samples_outputs/direct_counter_example.template b/testdata/p4tc_samples_outputs/direct_counter_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/direct_counter_example numtables 1
 
 $TC p4template create action/direct_counter_example/ingress/send_nh actid 1 \

diff --git a/testdata/p4tc_samples_outputs/direct_meter.template b/testdata/p4tc_samples_outputs/direct_meter.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/direct_meter numtables 1
 
 $TC p4template create action/direct_meter/ingress/meter_exec actid 1

diff --git a/testdata/p4tc_samples_outputs/direct_meter_color.template b/testdata/p4tc_samples_outputs/direct_meter_color.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/direct_meter_color numtables 1
 
 $TC p4template create action/direct_meter_color/ingress/meter_exec actid 1

diff --git a/testdata/p4tc_samples_outputs/drop_packet_example.template b/testdata/p4tc_samples_outputs/drop_packet_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/drop_packet_example numtables 1
 
 $TC p4template create action/drop_packet_example/MainControlImpl/next_hop actid 1 \

diff --git a/testdata/p4tc_samples_outputs/global_action_example_01.template b/testdata/p4tc_samples_outputs/global_action_example_01.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/global_action_example_01 numtables 2
 
 $TC p4template create action/global_action_example_01/send_nh actid 1 \

diff --git a/testdata/p4tc_samples_outputs/global_action_example_02.template b/testdata/p4tc_samples_outputs/global_action_example_02.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/global_action_example_02 numtables 2
 
 $TC p4template create action/global_action_example_02/drop actid 1

diff --git a/testdata/p4tc_samples_outputs/hash1.template b/testdata/p4tc_samples_outputs/hash1.template
@@ -2,6 +2,6 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/hash1 numtables 0
 $TC p4template update pipeline/hash1 state ready
diff --git a/testdata/p4tc_samples_outputs/indirect_counter_01_example.template b/testdata/p4tc_samples_outputs/indirect_counter_01_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/indirect_counter_01_example numtables 1
 
 $TC p4template create action/indirect_counter_01_example/ingress/send_nh actid 1 \

diff --git a/testdata/p4tc_samples_outputs/internetchecksum_01.template b/testdata/p4tc_samples_outputs/internetchecksum_01.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/internetchecksum_01 numtables 1
 
 $TC p4template create action/internetchecksum_01/ingress/set_ipip_csum actid 1 \

diff --git a/testdata/p4tc_samples_outputs/ipip.template b/testdata/p4tc_samples_outputs/ipip.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/ipip numtables 1
 
 $TC p4template create action/ipip/Main/set_ipip actid 1 \

diff --git a/testdata/p4tc_samples_outputs/is_host_port.template b/testdata/p4tc_samples_outputs/is_host_port.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/is_host_port numtables 1
 
 $TC p4template create action/is_host_port/ingress/send_nh actid 1 \

diff --git a/testdata/p4tc_samples_outputs/is_net_port.template b/testdata/p4tc_samples_outputs/is_net_port.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/is_net_port numtables 1
 
 $TC p4template create action/is_net_port/ingress/send_nh actid 1 \

diff --git a/testdata/p4tc_samples_outputs/matchtype.template b/testdata/p4tc_samples_outputs/matchtype.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/matchtype numtables 4
 
 $TC p4template create action/matchtype/MainControlImpl/next_hop actid 1 \

diff --git a/testdata/p4tc_samples_outputs/meter.template b/testdata/p4tc_samples_outputs/meter.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/meter numtables 1
 
 $TC p4template create action/meter/ingress/meter_exec actid 1

diff --git a/testdata/p4tc_samples_outputs/meter_color.template b/testdata/p4tc_samples_outputs/meter_color.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/meter_color numtables 1
 
 $TC p4template create action/meter_color/ingress/meter_exec actid 1

diff --git a/testdata/p4tc_samples_outputs/mix_matchtype_example.template b/testdata/p4tc_samples_outputs/mix_matchtype_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/mix_matchtype_example numtables 4
 
 $TC p4template create action/mix_matchtype_example/MainControlImpl/next_hop actid 1 \

diff --git a/testdata/p4tc_samples_outputs/multiple_tables_example_01.template b/testdata/p4tc_samples_outputs/multiple_tables_example_01.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/multiple_tables_example_01 numtables 7
 
 $TC p4template create action/multiple_tables_example_01/MainControlImpl/next_hop actid 1 \

diff --git a/testdata/p4tc_samples_outputs/multiple_tables_example_02.template b/testdata/p4tc_samples_outputs/multiple_tables_example_02.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/multiple_tables_example_02 numtables 7
 
 $TC p4template create action/multiple_tables_example_02/MainControlImpl/next_hop actid 1 \

diff --git a/testdata/p4tc_samples_outputs/name_annotation_example.template b/testdata/p4tc_samples_outputs/name_annotation_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/name_annotation_example numtables 2
 
 $TC p4template create action/name_annotation_example/MainControlImpl/next_hop actid 1 \

diff --git a/testdata/p4tc_samples_outputs/no_table_example.template b/testdata/p4tc_samples_outputs/no_table_example.template
@@ -2,6 +2,6 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/no_table_example numtables 0
 $TC p4template update pipeline/no_table_example state ready
diff --git a/testdata/p4tc_samples_outputs/noaction_example_01.template b/testdata/p4tc_samples_outputs/noaction_example_01.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/noaction_example_01 numtables 2
 
 $TC p4template create action/noaction_example_01/MainControlImpl/next_hop actid 1 \

diff --git a/testdata/p4tc_samples_outputs/noaction_example_02.template b/testdata/p4tc_samples_outputs/noaction_example_02.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/noaction_example_02 numtables 2
 
 $TC p4template create action/noaction_example_02/MainControlImpl/next_hop actid 1 \

diff --git a/testdata/p4tc_samples_outputs/nummask_annotation_example.template b/testdata/p4tc_samples_outputs/nummask_annotation_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/nummask_annotation_example numtables 1
 
 $TC p4template create action/nummask_annotation_example/MainControlImpl/tcp_syn_packet actid 1

diff --git a/testdata/p4tc_samples_outputs/send_to_port_example.template b/testdata/p4tc_samples_outputs/send_to_port_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/send_to_port_example numtables 1
 
 $TC p4template create action/send_to_port_example/MainControlImpl/next_hop actid 1 \

diff --git a/testdata/p4tc_samples_outputs/set_entry_timer_example.template b/testdata/p4tc_samples_outputs/set_entry_timer_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/set_entry_timer_example numtables 2
 
 $TC p4template create action/set_entry_timer_example/MainControlImpl/next_hop actid 1

diff --git a/testdata/p4tc_samples_outputs/simple_exact_example.template b/testdata/p4tc_samples_outputs/simple_exact_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/simple_exact_example numtables 1
 
 $TC p4template create action/simple_exact_example/ingress/send_nh actid 1 \

diff --git a/testdata/p4tc_samples_outputs/simple_extern_example.template b/testdata/p4tc_samples_outputs/simple_extern_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/simple_extern_example numtables 1
 
 $TC p4template create action/simple_extern_example/ingress/send_nh actid 1 \

diff --git a/testdata/p4tc_samples_outputs/simple_lpm_example.template b/testdata/p4tc_samples_outputs/simple_lpm_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/simple_lpm_example numtables 1
 
 $TC p4template create action/simple_lpm_example/ingress/send_nh actid 1 \

diff --git a/testdata/p4tc_samples_outputs/simple_ternary_example.template b/testdata/p4tc_samples_outputs/simple_ternary_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/simple_ternary_example numtables 1
 
 $TC p4template create action/simple_ternary_example/ingress/send_nh actid 1 \

diff --git a/testdata/p4tc_samples_outputs/size_param_example.template b/testdata/p4tc_samples_outputs/size_param_example.template
@@ -2,7 +2,7 @@
 
 set -e
 
-TC="tc"
+: "${TC:="tc"}"
 $TC p4template create pipeline/size_param_example numtables 2
 
 $TC p4template create action/size_param_example/MainControlImpl/next_hop actid 1 \