6 files changed, 36 insertions, 14 deletions
diff --git a/tests/extensions/lib.sh b/tests/extensions/lib.sh
index 4ca7522..d490655 100644
--- a/tests/extensions/lib.sh
+++ b/tests/extensions/lib.sh
@@ -8,18 +8,40 @@
 EXTENSIONS_DIRECTORY=$(cd "$TEST_OUTPUT_DIRECTORY/../custom/extensions" && pwd)
 EXT_TEST_DIRECTORY=$(cd "$TEST_OUTPUT_DIRECTORY/extensions" && pwd)
 
+# Prints the version an interpreter reports, LuaJIT by its own name rather
+# than the 5.1 it is compatible with, or the name it was given when it does
+# not run.
+lua_version() {
+	"$1" -e 'io.write(jit and jit.version or _VERSION)' 2>/dev/null ||
+		printf '%s' "$1"
+}
+
 # The interpreters on the path whose version the extensions claim, 5.1 to
 # 5.5 with LuaJIT counting as 5.1, so no script is failed on a version it
-# never claimed to run on.
+# never claimed to run on. Systems spell a versioned name in one of three
+# ways, and a plain lua is usually one of those again, so each version runs
+# once, under the first name found for it.
 interpreters=
-for ext_lua_bin in luajit lua5.1 lua5.2 lua5.3 lua5.4 lua5.5 lua
+ext_lua_versions=
+for ext_lua_bin in luajit lua5.1 lua51 lua-5.1 lua5.2 lua52 lua-5.2 \
+	lua5.3 lua53 lua-5.3 lua5.4 lua54 lua-5.4 lua5.5 lua55 lua-5.5 lua
 do
 	command -v "$ext_lua_bin" >/dev/null 2>&1 || continue
-	case "$("$ext_lua_bin" -e 'io.write(_VERSION)' 2>/dev/null)" in
-	"Lua 5."[1-5])
-		interpreters="$interpreters $ext_lua_bin"
+	ext_lua_version=$(lua_version "$ext_lua_bin")
+	case "$ext_lua_version" in
+	"Lua 5."[1-5]|"LuaJIT 2."*)
+		;;
+	*)
+		continue
+		;;
+	esac
+	case "$ext_lua_versions" in
+	*"|$ext_lua_version|"*)
+		continue
 		;;
 	esac
+	ext_lua_versions="$ext_lua_versions|$ext_lua_version|"
+	interpreters="$interpreters $ext_lua_bin"
 done
 test -n "$interpreters" ||
 	say 'no standalone lua on the path, unit checks skipped'
diff --git a/tests/t0501-about-render.sh b/tests/t0501-about-render.sh
index 2cf84ed..94c5e82 100755
--- a/tests/t0501-about-render.sh
+++ b/tests/t0501-about-render.sh
@@ -15,11 +15,11 @@ CGIT_TEST_NO_CREATE_REPOS=YesPlease
 
 for lua in $interpreters
 do
-	test_expect_success "unit checks under $lua" "
+	test_expect_success "unit checks under $(lua_version "$lua")" "
 		'$lua' '$EXT_TEST_DIRECTORY/test-about-render.lua' '$EXTENSIONS_DIRECTORY/about-render.lua'
 	"
 
-	test_expect_success "fallback checks without lpeg under $lua" "
+	test_expect_success "fallback checks without lpeg under $(lua_version "$lua")" "
 		'$lua' '$EXT_TEST_DIRECTORY/test-about-render.lua' '$EXTENSIONS_DIRECTORY/about-render.lua' nolpeg
 	"
 done
diff --git a/tests/t0502-syntax-highlight.sh b/tests/t0502-syntax-highlight.sh
index 4b32f82..2d929e4 100755
--- a/tests/t0502-syntax-highlight.sh
+++ b/tests/t0502-syntax-highlight.sh
@@ -17,13 +17,13 @@ CGIT_TEST_NO_CREATE_REPOS=YesPlease
 
 for lua in $interpreters
 do
-	test_expect_success "highlighting checks under $lua" "
+	test_expect_success "highlighting checks under $(lua_version "$lua")" "
 		CGIT_SCINTILLUA_PATH='$EXT_TEST_DIRECTORY/fake-lexers' \
 		'$lua' '$EXT_TEST_DIRECTORY/test-syntax-highlight.lua' \
 			'$EXTENSIONS_DIRECTORY/syntax-highlight.lua' highlight
 	"
 
-	test_expect_success "fallback checks without lexers under $lua" "
+	test_expect_success "fallback checks without lexers under $(lua_version "$lua")" "
 		mkdir -p empty-lexers &&
 		CGIT_SCINTILLUA_PATH=\"\$PWD/empty-lexers\" \
 		'$lua' '$EXT_TEST_DIRECTORY/test-syntax-highlight.lua' \
diff --git a/tests/t0503-link-commits.sh b/tests/t0503-link-commits.sh
index 06f54dc..32f8d3e 100755
--- a/tests/t0503-link-commits.sh
+++ b/tests/t0503-link-commits.sh
@@ -13,7 +13,7 @@ CGIT_TEST_NO_CREATE_REPOS=YesPlease
 
 for lua in $interpreters
 do
-	test_expect_success "unit checks under $lua" "
+	test_expect_success "unit checks under $(lua_version "$lua")" "
 		'$lua' '$EXT_TEST_DIRECTORY/test-link-commits.lua' '$EXTENSIONS_DIRECTORY/link-commits.lua'
 	"
 done
diff --git a/tests/t0504-email-avatar.sh b/tests/t0504-email-avatar.sh
index b584f3e..10b9fca 100755
--- a/tests/t0504-email-avatar.sh
+++ b/tests/t0504-email-avatar.sh
@@ -18,16 +18,16 @@ for lua in $interpreters
 do
 	for script in email-gravatar email-libravatar
 	do
-		test_expect_success "$script checks under $lua" "
+		test_expect_success "$script checks under $(lua_version "$lua")" "
 			'$lua' '$EXT_TEST_DIRECTORY/test-email-avatar.lua' '$EXTENSIONS_DIRECTORY/$script.lua' stub
 		"
-		test_expect_success "$script checks without luaossl under $lua" "
+		test_expect_success "$script checks without luaossl under $(lua_version "$lua")" "
 			'$lua' '$EXT_TEST_DIRECTORY/test-email-avatar.lua' '$EXTENSIONS_DIRECTORY/$script.lua' missing
 		"
 
 		if "$lua" -e "require([[openssl.digest]])" >/dev/null 2>&1
 		then
-			test_expect_success "$script checks with real luaossl under $lua" "
+			test_expect_success "$script checks with real luaossl under $(lua_version "$lua")" "
 				'$lua' '$EXT_TEST_DIRECTORY/test-email-avatar.lua' '$EXTENSIONS_DIRECTORY/$script.lua' real
 			"
 		fi
diff --git a/tests/t0506-link-trailers.sh b/tests/t0506-link-trailers.sh
index 42c65fd..7faafca 100755
--- a/tests/t0506-link-trailers.sh
+++ b/tests/t0506-link-trailers.sh
@@ -13,7 +13,7 @@ CGIT_TEST_NO_CREATE_REPOS=YesPlease
 
 for lua in $interpreters
 do
-	test_expect_success "unit checks under $lua" "
+	test_expect_success "unit checks under $(lua_version "$lua")" "
 		'$lua' '$EXT_TEST_DIRECTORY/test-link-trailers.lua' '$EXTENSIONS_DIRECTORY/link-trailers.lua'
 	"
 done
-rw-r--r--	tests/extensions/lib.sh	32
-rwxr-xr-x	tests/t0501-about-render.sh	4
-rwxr-xr-x	tests/t0502-syntax-highlight.sh	4
-rwxr-xr-x	tests/t0503-link-commits.sh	2
-rwxr-xr-x	tests/t0504-email-avatar.sh	6
-rwxr-xr-x	tests/t0506-link-trailers.sh	2