Merge branch 'pt/pull-tags-error-diag'

diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh
index 8f8858a5f0a4f7a705960cef5b5558064a86ea28..e8d3c0fdbc76d93ea18f6da1c869fc963e7ca81d 100644 (file)
--- a/t/test-lib-functions.sh
+++ b/t/test-lib-functions.sh
@@ -348,11 +348,18 @@ test_declared_prereq () {
        return 1
 }
 
+test_verify_prereq () {
+       test -z "$test_prereq" ||
+       expr >/dev/null "$test_prereq" : '[A-Z0-9_,!]*$' ||
+       error "bug in the test script: '$test_prereq' does not look like a prereq"
+}
+
 test_expect_failure () {
        test_start_
        test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq=
        test "$#" = 2 ||
        error "bug in the test script: not 2 or 3 parameters to test-expect-failure"
+       test_verify_prereq
        export test_prereq
        if ! test_skip "$@"
        then
@@ -372,6 +379,7 @@ test_expect_success () {
        test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq=
        test "$#" = 2 ||
        error "bug in the test script: not 2 or 3 parameters to test-expect-success"
+       test_verify_prereq
        export test_prereq
        if ! test_skip "$@"
        then
@@ -400,6 +408,7 @@ test_external () {
        error >&5 "bug in the test script: not 3 or 4 parameters to test_external"
        descr="$1"
        shift
+       test_verify_prereq
        export test_prereq
        if ! test_skip "$descr" "$@"
        then