From 2d7d854a97a221b2d556b4edd1d5b3dd37330c07 Mon Sep 17 00:00:00 2001
From: Andrew Wood <ivarch657@gmail.com>
Date: Sat, 7 Dec 2024 14:23:03 +0000
Subject: [PATCH] Allow all tests to be skipped if SKIP_ALL_TESTS is 1.

---
 tests/Bug_-_Display_length_at_magnitude_boundary_-_Bytes.test | 3 +++
 tests/Bug_-_Display_length_at_magnitude_boundary_-_Rate.test  | 3 +++
 tests/Bug_-_Install_all_files.test                            | 3 +++
 tests/Display_-_--average-rate.test                           | 3 +++
 tests/Display_-_--bits.test                                   | 3 +++
 tests/Display_-_--buffer-percent.test                         | 3 +++
 tests/Display_-_--bytes.test                                  | 3 +++
 tests/Display_-_--eta_-_plausible_values.test                 | 3 +++
 tests/Display_-_--fineta_-_plausible_values.test              | 3 +++
 tests/Display_-_--last-written.test                           | 3 +++
 tests/Display_-_--numeric.test                                | 3 +++
 tests/Display_-_--numeric_--bytes.test                        | 3 +++
 tests/Display_-_--numeric_--bytes_--line-mode.test            | 3 +++
 tests/Display_-_--numeric_--timer.test                        | 3 +++
 tests/Display_-_--progress_-_basic_movement.test              | 3 +++
 tests/Display_-_--progress_-_increasing.test                  | 3 +++
 tests/Display_-_--quiet.test                                  | 3 +++
 tests/Display_-_--rate_-_displayed_value_changes.test         | 3 +++
 tests/Display_-_--timer_-_displayed_value_changes.test        | 3 +++
 tests/General_-_--pidfile.test                                | 3 +++
 tests/General_-_--size_argument_handling.test                 | 3 +++
 tests/Integrity_-_Basic.test                                  | 3 +++
 tests/Integrity_-_Binary_data.test                            | 3 +++
 tests/Integrity_-_From_bursty_source.test                     | 3 +++
 tests/Integrity_-_Large_file_support.test                     | 3 +++
 tests/Integrity_-_On_output_pipe_close.test                   | 3 +++
 tests/Integrity_-_When_adjusted_remotely.test                 | 3 +++
 tests/Memory_safety_-_Basic.test                              | 3 +++
 tests/Memory_safety_-_Process_title.test                      | 3 +++
 tests/Memory_safety_-_Remote_control_receiver.test            | 3 +++
 tests/Memory_safety_-_Remote_control_sender.test              | 3 +++
 tests/Memory_safety_-_Watchfd.test                            | 3 +++
 tests/Modifiers_-_--direct-io.test                            | 3 +++
 tests/Modifiers_-_--force.test                                | 3 +++
 tests/Modifiers_-_--interval.test                             | 3 +++
 tests/Modifiers_-_--line-mode.test                            | 3 +++
 tests/Modifiers_-_--size.test                                 | 3 +++
 tests/Modifiers_-_--size_from_file_size.test                  | 3 +++
 tests/Modifiers_-_--sync.test                                 | 3 +++
 tests/Terminal_-_Detect_width.test                            | 3 +++
 tests/Transfer_-_--rate-limit.test                            | 3 +++
 tests/Transfer_-_--remote.test                                | 3 +++
 tests/Transfer_-_--stop-at-size.test                          | 3 +++
 tests/Watchfd_-_Multiple_descriptors.test                     | 3 +++
 tests/Watchfd_-_Single_descriptor.test                        | 3 +++
 45 files changed, 135 insertions(+)

diff --git a/tests/Bug_-_Display_length_at_magnitude_boundary_-_Bytes.test b/tests/Bug_-_Display_length_at_magnitude_boundary_-_Bytes.test
index 46a8fcb..e52d88e 100755
--- a/tests/Bug_-_Display_length_at_magnitude_boundary_-_Bytes.test
+++ b/tests/Bug_-_Display_length_at_magnitude_boundary_-_Bytes.test
@@ -4,6 +4,9 @@
 # 1MiB, described here:
 # http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=586763
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Bug_-_Display_length_at_magnitude_boundary_-_Rate.test b/tests/Bug_-_Display_length_at_magnitude_boundary_-_Rate.test
index 096fc5c..0062f91 100755
--- a/tests/Bug_-_Display_length_at_magnitude_boundary_-_Rate.test
+++ b/tests/Bug_-_Display_length_at_magnitude_boundary_-_Rate.test
@@ -3,6 +3,9 @@
 # This is the same as the other display length at magnitude boundary check,
 # but for rate, not bytes transferred.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 # Dummy assignments for "shellcheck".
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
diff --git a/tests/Bug_-_Install_all_files.test b/tests/Bug_-_Install_all_files.test
index 1fcd2e7..afe3d8a 100755
--- a/tests/Bug_-_Install_all_files.test
+++ b/tests/Bug_-_Install_all_files.test
@@ -2,6 +2,9 @@
 #
 # Test that "make install" installs the expected minimum set of files.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Display_-_--average-rate.test b/tests/Display_-_--average-rate.test
index bd9bb6c..55dd31d 100755
--- a/tests/Display_-_--average-rate.test
+++ b/tests/Display_-_--average-rate.test
@@ -3,6 +3,9 @@
 # Check that the average transfer rate counter changes, but not more than it
 # should.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Display_-_--bits.test b/tests/Display_-_--bits.test
index 7a3c8ec..2aadda1 100755
--- a/tests/Display_-_--bits.test
+++ b/tests/Display_-_--bits.test
@@ -2,6 +2,9 @@
 #
 # Check that the byte counter counts in bits when --bits is selected.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Display_-_--buffer-percent.test b/tests/Display_-_--buffer-percent.test
index d318770..cc80992 100755
--- a/tests/Display_-_--buffer-percent.test
+++ b/tests/Display_-_--buffer-percent.test
@@ -2,6 +2,9 @@
 #
 # Check that "--buffer-percent" displays correctly.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Display_-_--bytes.test b/tests/Display_-_--bytes.test
index 5581e5f..3bb6b26 100755
--- a/tests/Display_-_--bytes.test
+++ b/tests/Display_-_--bytes.test
@@ -2,6 +2,9 @@
 #
 # Check that the byte counter counts.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Display_-_--eta_-_plausible_values.test b/tests/Display_-_--eta_-_plausible_values.test
index a04c87a..2d43811 100755
--- a/tests/Display_-_--eta_-_plausible_values.test
+++ b/tests/Display_-_--eta_-_plausible_values.test
@@ -2,6 +2,9 @@
 #
 # Check that the estimated time counter counts.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Display_-_--fineta_-_plausible_values.test b/tests/Display_-_--fineta_-_plausible_values.test
index 90bab87..46af57c 100755
--- a/tests/Display_-_--fineta_-_plausible_values.test
+++ b/tests/Display_-_--fineta_-_plausible_values.test
@@ -2,6 +2,9 @@
 #
 # Check that the estimated time counter can show the end time of day.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Display_-_--last-written.test b/tests/Display_-_--last-written.test
index 83d8073..f20d7f3 100755
--- a/tests/Display_-_--last-written.test
+++ b/tests/Display_-_--last-written.test
@@ -2,6 +2,9 @@
 #
 # Check that "--last-written" works.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Display_-_--numeric.test b/tests/Display_-_--numeric.test
index d77b326..42ca1ce 100755
--- a/tests/Display_-_--numeric.test
+++ b/tests/Display_-_--numeric.test
@@ -2,6 +2,9 @@
 #
 # Check that numeric output outputs some percentages.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Display_-_--numeric_--bytes.test b/tests/Display_-_--numeric_--bytes.test
index 89795c3..7b3bc0b 100755
--- a/tests/Display_-_--numeric_--bytes.test
+++ b/tests/Display_-_--numeric_--bytes.test
@@ -3,6 +3,9 @@
 # Check that numeric output gives a byte count instead of a percentage when
 # used with -b.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Display_-_--numeric_--bytes_--line-mode.test b/tests/Display_-_--numeric_--bytes_--line-mode.test
index 4911d7f..89677b5 100755
--- a/tests/Display_-_--numeric_--bytes_--line-mode.test
+++ b/tests/Display_-_--numeric_--bytes_--line-mode.test
@@ -3,6 +3,9 @@
 # Check that numeric output shows line counts instead of percentages, when
 # used in line mode together with bytes mode.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 true "${workFile2:?not set - call this from 'make check'}"
diff --git a/tests/Display_-_--numeric_--timer.test b/tests/Display_-_--numeric_--timer.test
index d425c55..48a712d 100755
--- a/tests/Display_-_--numeric_--timer.test
+++ b/tests/Display_-_--numeric_--timer.test
@@ -2,6 +2,9 @@
 #
 # Check that numeric output gives a timer when used with -t.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Display_-_--progress_-_basic_movement.test b/tests/Display_-_--progress_-_basic_movement.test
index e4a4a03..aa97cd1 100755
--- a/tests/Display_-_--progress_-_basic_movement.test
+++ b/tests/Display_-_--progress_-_basic_movement.test
@@ -2,6 +2,9 @@
 #
 # Check that the progress bar moves when data is coming in.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Display_-_--progress_-_increasing.test b/tests/Display_-_--progress_-_increasing.test
index ab54e1a..ad4aa53 100755
--- a/tests/Display_-_--progress_-_increasing.test
+++ b/tests/Display_-_--progress_-_increasing.test
@@ -2,6 +2,9 @@
 #
 # Check that the progress bar increases in size when data is coming in.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Display_-_--quiet.test b/tests/Display_-_--quiet.test
index 6981bb1..df5e4fa 100755
--- a/tests/Display_-_--quiet.test
+++ b/tests/Display_-_--quiet.test
@@ -2,6 +2,9 @@
 #
 # Check that the -q option shuts everything up.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Display_-_--rate_-_displayed_value_changes.test b/tests/Display_-_--rate_-_displayed_value_changes.test
index 178e341..da604b4 100755
--- a/tests/Display_-_--rate_-_displayed_value_changes.test
+++ b/tests/Display_-_--rate_-_displayed_value_changes.test
@@ -2,6 +2,9 @@
 #
 # Check that the transfer rate counter changes.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Display_-_--timer_-_displayed_value_changes.test b/tests/Display_-_--timer_-_displayed_value_changes.test
index d006601..0f6dd4d 100755
--- a/tests/Display_-_--timer_-_displayed_value_changes.test
+++ b/tests/Display_-_--timer_-_displayed_value_changes.test
@@ -2,6 +2,9 @@
 #
 # Check that the elapsed time counter does count up.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/General_-_--pidfile.test b/tests/General_-_--pidfile.test
index e19e6ce..c0e290b 100755
--- a/tests/General_-_--pidfile.test
+++ b/tests/General_-_--pidfile.test
@@ -3,6 +3,9 @@
 # Check that the process ID can be written to a file as described in the
 # manual.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/General_-_--size_argument_handling.test b/tests/General_-_--size_argument_handling.test
index 8fbe42b..680c298 100755
--- a/tests/General_-_--size_argument_handling.test
+++ b/tests/General_-_--size_argument_handling.test
@@ -2,6 +2,9 @@
 #
 # Check that size arguments are processed correctly.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 
 # Pass size argument $1 and check that the last reported number is $2.
diff --git a/tests/Integrity_-_Basic.test b/tests/Integrity_-_Basic.test
index ba81d2f..e33539b 100755
--- a/tests/Integrity_-_Basic.test
+++ b/tests/Integrity_-_Basic.test
@@ -2,6 +2,9 @@
 #
 # Check that data can be just passed straight through.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 
 inputString="TESTING"
diff --git a/tests/Integrity_-_Binary_data.test b/tests/Integrity_-_Binary_data.test
index e89e2ff..84e4158 100755
--- a/tests/Integrity_-_Binary_data.test
+++ b/tests/Integrity_-_Binary_data.test
@@ -3,6 +3,9 @@
 # Transfer a large chunk of data through pv and check data correctness
 # afterwards.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 true "${workFile2:?not set - call this from 'make check'}"
diff --git a/tests/Integrity_-_From_bursty_source.test b/tests/Integrity_-_From_bursty_source.test
index dd5aef3..b91fcbe 100755
--- a/tests/Integrity_-_From_bursty_source.test
+++ b/tests/Integrity_-_From_bursty_source.test
@@ -3,6 +3,9 @@
 # Transfer a large chunk of data through pv using pipes, sending it in a
 # bursty fashion, and check data correctness afterwards.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 true "${workFile2:?not set - call this from 'make check'}"
diff --git a/tests/Integrity_-_Large_file_support.test b/tests/Integrity_-_Large_file_support.test
index 636b306..c7fb3da 100755
--- a/tests/Integrity_-_Large_file_support.test
+++ b/tests/Integrity_-_Large_file_support.test
@@ -2,6 +2,9 @@
 #
 # Make sure that files larger than 2GB are supported.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 true "${workFile2:?not set - call this from 'make check'}"
diff --git a/tests/Integrity_-_On_output_pipe_close.test b/tests/Integrity_-_On_output_pipe_close.test
index ba026ef..761ee55 100755
--- a/tests/Integrity_-_On_output_pipe_close.test
+++ b/tests/Integrity_-_On_output_pipe_close.test
@@ -2,6 +2,9 @@
 #
 # Check that there is no SIGPIPE or dropped data on bigger data transfers.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 
 # We nead GNU head. On some platforms it is named ghead instead of head.
diff --git a/tests/Integrity_-_When_adjusted_remotely.test b/tests/Integrity_-_When_adjusted_remotely.test
index cf4947b..f48a252 100755
--- a/tests/Integrity_-_When_adjusted_remotely.test
+++ b/tests/Integrity_-_When_adjusted_remotely.test
@@ -3,6 +3,9 @@
 # Try repeatedly messaging a transfer process, and make sure the data stays
 # intact.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 true "${workFile2:?not set - call this from 'make check'}"
diff --git a/tests/Memory_safety_-_Basic.test b/tests/Memory_safety_-_Basic.test
index 380606b..93352c3 100755
--- a/tests/Memory_safety_-_Basic.test
+++ b/tests/Memory_safety_-_Basic.test
@@ -3,6 +3,9 @@
 # Run valgrind's memory checker against a process using various different
 # transfer options.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${sourcePath:?not set - call this from 'make check'}"
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
diff --git a/tests/Memory_safety_-_Process_title.test b/tests/Memory_safety_-_Process_title.test
index d6b3b80..bd0b1c7 100755
--- a/tests/Memory_safety_-_Process_title.test
+++ b/tests/Memory_safety_-_Process_title.test
@@ -3,6 +3,9 @@
 # Run valgrind's memory checker against a process that sets is process
 # title.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${sourcePath:?not set - call this from 'make check'}"
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
diff --git a/tests/Memory_safety_-_Remote_control_receiver.test b/tests/Memory_safety_-_Remote_control_receiver.test
index 44932bc..a1dcda6 100755
--- a/tests/Memory_safety_-_Remote_control_receiver.test
+++ b/tests/Memory_safety_-_Remote_control_receiver.test
@@ -2,6 +2,9 @@
 #
 # Run valgrind's memory checker while receiving remote control commands.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${sourcePath:?not set - call this from 'make check'}"
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
diff --git a/tests/Memory_safety_-_Remote_control_sender.test b/tests/Memory_safety_-_Remote_control_sender.test
index 446e35f..95d6300 100755
--- a/tests/Memory_safety_-_Remote_control_sender.test
+++ b/tests/Memory_safety_-_Remote_control_sender.test
@@ -3,6 +3,9 @@
 # Run valgrind's memory checker while using remote control to control
 # another process.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${sourcePath:?not set - call this from 'make check'}"
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
diff --git a/tests/Memory_safety_-_Watchfd.test b/tests/Memory_safety_-_Watchfd.test
index 6386628..d8d91b4 100755
--- a/tests/Memory_safety_-_Watchfd.test
+++ b/tests/Memory_safety_-_Watchfd.test
@@ -3,6 +3,9 @@
 # Run valgrind's memory checker against a process using the --watchfd
 # option.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${sourcePath:?not set - call this from 'make check'}"
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
diff --git a/tests/Modifiers_-_--direct-io.test b/tests/Modifiers_-_--direct-io.test
index b913208..fd39079 100755
--- a/tests/Modifiers_-_--direct-io.test
+++ b/tests/Modifiers_-_--direct-io.test
@@ -5,6 +5,9 @@
 # doesn't check that O_DIRECT is actually being used, it just checks that
 # data is not being corrupted.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 true "${workFile2:?not set - call this from 'make check'}"
diff --git a/tests/Modifiers_-_--force.test b/tests/Modifiers_-_--force.test
index 50f5c39..7ac80bb 100755
--- a/tests/Modifiers_-_--force.test
+++ b/tests/Modifiers_-_--force.test
@@ -3,6 +3,9 @@
 # Check that the progress bar is produced when "--force" is used, and is not
 # when it is not, providing stderr is a file.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Modifiers_-_--interval.test b/tests/Modifiers_-_--interval.test
index a94e520..a92a9db 100755
--- a/tests/Modifiers_-_--interval.test
+++ b/tests/Modifiers_-_--interval.test
@@ -2,6 +2,9 @@
 #
 # Check that the update interval can be set.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Modifiers_-_--line-mode.test b/tests/Modifiers_-_--line-mode.test
index 7c1ca2a..a6aa7c6 100755
--- a/tests/Modifiers_-_--line-mode.test
+++ b/tests/Modifiers_-_--line-mode.test
@@ -2,6 +2,9 @@
 #
 # Check that line mode counts lines instead of bytes.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Modifiers_-_--size.test b/tests/Modifiers_-_--size.test
index ec82f02..c82c67d 100755
--- a/tests/Modifiers_-_--size.test
+++ b/tests/Modifiers_-_--size.test
@@ -2,6 +2,9 @@
 #
 # Check that "--size" affects the percentage shown.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 
diff --git a/tests/Modifiers_-_--size_from_file_size.test b/tests/Modifiers_-_--size_from_file_size.test
index a28dab6..22ec04b 100755
--- a/tests/Modifiers_-_--size_from_file_size.test
+++ b/tests/Modifiers_-_--size_from_file_size.test
@@ -3,6 +3,9 @@
 # Similar to the "--size" check but, instead, using another file's size with
 # "--size @".
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 true "${workFile2:?not set - call this from 'make check'}"
diff --git a/tests/Modifiers_-_--sync.test b/tests/Modifiers_-_--sync.test
index 9f586a4..95a5cab 100755
--- a/tests/Modifiers_-_--sync.test
+++ b/tests/Modifiers_-_--sync.test
@@ -5,6 +5,9 @@
 # check that fdatasync() is actually being called, it just checks that data
 # is not being corrupted.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 true "${workFile2:?not set - call this from 'make check'}"
diff --git a/tests/Terminal_-_Detect_width.test b/tests/Terminal_-_Detect_width.test
index 929aea4..7955326 100755
--- a/tests/Terminal_-_Detect_width.test
+++ b/tests/Terminal_-_Detect_width.test
@@ -2,6 +2,9 @@
 #
 # Check that the terminal width is detected on startup.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 true "${workFile2:?not set - call this from 'make check'}"
diff --git a/tests/Transfer_-_--rate-limit.test b/tests/Transfer_-_--rate-limit.test
index 3aedf0d..5bd05bd 100755
--- a/tests/Transfer_-_--rate-limit.test
+++ b/tests/Transfer_-_--rate-limit.test
@@ -2,6 +2,9 @@
 #
 # A simple test of rate limiting.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 
 # Transfer 102 bytes at 100 bytes/sec. It should take at least 1 second.
diff --git a/tests/Transfer_-_--remote.test b/tests/Transfer_-_--remote.test
index 6df9403..f11088a 100755
--- a/tests/Transfer_-_--remote.test
+++ b/tests/Transfer_-_--remote.test
@@ -2,6 +2,9 @@
 #
 # Try changing the format of a transfer remotely.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 true "${workFile2:?not set - call this from 'make check'}"
diff --git a/tests/Transfer_-_--stop-at-size.test b/tests/Transfer_-_--stop-at-size.test
index da079c8..73eef43 100755
--- a/tests/Transfer_-_--stop-at-size.test
+++ b/tests/Transfer_-_--stop-at-size.test
@@ -2,6 +2,9 @@
 #
 # Make sure -S stops at the given size.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 true "${workFile2:?not set - call this from 'make check'}"
diff --git a/tests/Watchfd_-_Multiple_descriptors.test b/tests/Watchfd_-_Multiple_descriptors.test
index 2de3f1c..284a90d 100755
--- a/tests/Watchfd_-_Multiple_descriptors.test
+++ b/tests/Watchfd_-_Multiple_descriptors.test
@@ -2,6 +2,9 @@
 #
 # Check that watching a process's file descriptors works as expected.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 true "${workFile2:?not set - call this from 'make check'}"
diff --git a/tests/Watchfd_-_Single_descriptor.test b/tests/Watchfd_-_Single_descriptor.test
index df1ed9a..44b5cfa 100755
--- a/tests/Watchfd_-_Single_descriptor.test
+++ b/tests/Watchfd_-_Single_descriptor.test
@@ -2,6 +2,9 @@
 #
 # Check that watching a single file descriptor works as expected.
 
+# Allow all tests to be skipped, e.g. during a release build
+test "${SKIP_ALL_TESTS}" = "1" && exit 77
+
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile1:?not set - call this from 'make check'}"
 true "${workFile2:?not set - call this from 'make check'}"