Regularize command-line flags.

All the notice binaries have -title

All the binaries that can -stripPrefix can strip multiple.

Bug: 68860345
Bug: 151177513
Bug: 151953481
Bug: 213388645
Bug: 210912771

Test: m all
Test: m systemlicense
Test: m bom; out/soong/host/linux-x85/bom ...
Test: m dumpgraph; out/soong/host/linux-x85/dumpgraph ...
Test: m dumpresolutions; out/soong/host/linux-x85/dumpresolutions ...
Test: m htmlnotice; out/soong/host/linux-x85/htmlnotice ...
Test: m rtrace; out/soong/host/linux-x85/rtrace ...
Test: m textnotice; out/soong/host/linux-x85/textnotice ...
Test: m xmlnotice; out/soong/host/linux-x85/xmlnotice ...

where ... is the path to the .meta_lic file for the system image. In my
case if

$ export PRODUCT=$(realpath $ANDROID_PRODUCT_OUT --relative-to=$PWD)

... can be expressed as:

${PRODUCT}/gen/META/lic_intermediates/${PRODUCT}/system.img.meta_lic

Change-Id: I08357bf1adb048abba6563cf3cea6ee6d60405e0
diff --git a/tools/compliance/cmd/dumpresolutions/dumpresolutions.go b/tools/compliance/cmd/dumpresolutions/dumpresolutions.go
index 463dfad..9c5e972 100644
--- a/tools/compliance/cmd/dumpresolutions/dumpresolutions.go
+++ b/tools/compliance/cmd/dumpresolutions/dumpresolutions.go
@@ -30,7 +30,7 @@
 	conditions      = newMultiString("c", "License condition to resolve. (may be given multiple times)")
 	graphViz        = flag.Bool("dot", false, "Whether to output graphviz (i.e. dot) format.")
 	labelConditions = flag.Bool("label_conditions", false, "Whether to label target nodes with conditions.")
-	stripPrefix     = flag.String("strip_prefix", "", "Prefix to remove from paths. i.e. path to root")
+	stripPrefix     = newMultiString("strip_prefix", "Prefix to remove from paths. i.e. path to root (multiple allowed)")
 
 	failNoneRequested = fmt.Errorf("\nNo license metadata files requested")
 	failNoLicenses    = fmt.Errorf("No licenses found")
@@ -40,7 +40,20 @@
 	conditions      []compliance.LicenseCondition
 	graphViz        bool
 	labelConditions bool
-	stripPrefix     string
+	stripPrefix     []string
+}
+
+func (ctx context) strip(installPath string) string {
+	for _, prefix := range ctx.stripPrefix {
+		if strings.HasPrefix(installPath, prefix) {
+			p := strings.TrimPrefix(installPath, prefix)
+			if 0 == len(p) {
+				continue
+			}
+			return p
+		}
+	}
+	return installPath
 }
 
 func init() {
@@ -140,7 +153,7 @@
 
 	// targetOut calculates the string to output for `target` adding `sep`-separated conditions as needed.
 	targetOut := func(target *compliance.TargetNode, sep string) string {
-		tOut := strings.TrimPrefix(target.Name(), ctx.stripPrefix)
+		tOut := ctx.strip(target.Name())
 		if ctx.labelConditions {
 			conditions := target.LicenseConditions().Names()
 			if len(conditions) > 0 {
diff --git a/tools/compliance/cmd/dumpresolutions/dumpresolutions_test.go b/tools/compliance/cmd/dumpresolutions/dumpresolutions_test.go
index b7ccdc5..6fe1e8a 100644
--- a/tools/compliance/cmd/dumpresolutions/dumpresolutions_test.go
+++ b/tools/compliance/cmd/dumpresolutions/dumpresolutions_test.go
@@ -65,7 +65,7 @@
 			condition: "firstparty",
 			name:      "apex_trimmed",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/firstparty/"},
+			ctx:       context{stripPrefix: []string{"testdata/firstparty/"}},
 			expectedOut: []string{
 				"bin/bin1.meta_lic bin/bin1.meta_lic notice",
 				"bin/bin1.meta_lic lib/liba.so.meta_lic notice",
@@ -87,7 +87,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  []compliance.LicenseCondition{compliance.NoticeCondition},
-				stripPrefix: "testdata/firstparty/",
+				stripPrefix: []string{"testdata/firstparty/"},
 			},
 			expectedOut: []string{
 				"bin/bin1.meta_lic bin/bin1.meta_lic notice",
@@ -110,7 +110,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesShared.AsList(),
-				stripPrefix: "testdata/firstparty/",
+				stripPrefix: []string{"testdata/firstparty/"},
 			},
 			expectedOut: []string{},
 		},
@@ -120,7 +120,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesPrivate.AsList(),
-				stripPrefix: "testdata/firstparty/",
+				stripPrefix: []string{"testdata/firstparty/"},
 			},
 			expectedOut: []string{},
 		},
@@ -130,7 +130,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  append(compliance.ImpliesPrivate.AsList(), compliance.ImpliesShared.AsList()...),
-				stripPrefix: "testdata/firstparty/",
+				stripPrefix: []string{"testdata/firstparty/"},
 			},
 			expectedOut: []string{},
 		},
@@ -138,7 +138,7 @@
 			condition: "firstparty",
 			name:      "apex_trimmed_labelled",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/firstparty/", labelConditions: true},
+			ctx:       context{stripPrefix: []string{"testdata/firstparty/"}, labelConditions: true},
 			expectedOut: []string{
 				"bin/bin1.meta_lic:notice bin/bin1.meta_lic:notice notice",
 				"bin/bin1.meta_lic:notice lib/liba.so.meta_lic:notice notice",
@@ -223,7 +223,7 @@
 			condition: "notice",
 			name:      "apex_trimmed",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/notice/"},
+			ctx:       context{stripPrefix: []string{"testdata/notice/"}},
 			expectedOut: []string{
 				"bin/bin1.meta_lic bin/bin1.meta_lic notice",
 				"bin/bin1.meta_lic lib/liba.so.meta_lic notice",
@@ -245,7 +245,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  []compliance.LicenseCondition{compliance.NoticeCondition},
-				stripPrefix: "testdata/notice/",
+				stripPrefix: []string{"testdata/notice/"},
 			},
 			expectedOut: []string{
 				"bin/bin1.meta_lic bin/bin1.meta_lic notice",
@@ -268,7 +268,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesShared.AsList(),
-				stripPrefix: "testdata/notice/",
+				stripPrefix: []string{"testdata/notice/"},
 			},
 			expectedOut: []string{},
 		},
@@ -278,7 +278,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesPrivate.AsList(),
-				stripPrefix: "testdata/notice/",
+				stripPrefix: []string{"testdata/notice/"},
 			},
 			expectedOut: []string{},
 		},
@@ -288,7 +288,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  append(compliance.ImpliesShared.AsList(), compliance.ImpliesPrivate.AsList()...),
-				stripPrefix: "testdata/notice/",
+				stripPrefix: []string{"testdata/notice/"},
 			},
 			expectedOut: []string{},
 		},
@@ -296,7 +296,7 @@
 			condition: "notice",
 			name:      "apex_trimmed_labelled",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/notice/", labelConditions: true},
+			ctx:       context{stripPrefix: []string{"testdata/notice/"}, labelConditions: true},
 			expectedOut: []string{
 				"bin/bin1.meta_lic:notice bin/bin1.meta_lic:notice notice",
 				"bin/bin1.meta_lic:notice lib/liba.so.meta_lic:notice notice",
@@ -381,7 +381,7 @@
 			condition: "reciprocal",
 			name:      "apex_trimmed",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/reciprocal/"},
+			ctx:       context{stripPrefix: []string{"testdata/reciprocal/"}},
 			expectedOut: []string{
 				"bin/bin1.meta_lic bin/bin1.meta_lic notice",
 				"bin/bin1.meta_lic lib/liba.so.meta_lic reciprocal",
@@ -403,7 +403,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  []compliance.LicenseCondition{compliance.NoticeCondition},
-				stripPrefix: "testdata/reciprocal/",
+				stripPrefix: []string{"testdata/reciprocal/"},
 			},
 			expectedOut: []string{
 				"bin/bin1.meta_lic bin/bin1.meta_lic notice",
@@ -421,7 +421,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesShared.AsList(),
-				stripPrefix: "testdata/reciprocal/",
+				stripPrefix: []string{"testdata/reciprocal/"},
 			},
 			expectedOut: []string{
 				"bin/bin1.meta_lic lib/liba.so.meta_lic reciprocal",
@@ -437,7 +437,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesPrivate.AsList(),
-				stripPrefix: "testdata/reciprocal/",
+				stripPrefix: []string{"testdata/reciprocal/"},
 			},
 			expectedOut: []string{},
 		},
@@ -447,7 +447,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  append(compliance.ImpliesShared.AsList(), compliance.ImpliesPrivate.AsList()...),
-				stripPrefix: "testdata/reciprocal/",
+				stripPrefix: []string{"testdata/reciprocal/"},
 			},
 			expectedOut: []string{
 				"bin/bin1.meta_lic lib/liba.so.meta_lic reciprocal",
@@ -461,7 +461,7 @@
 			condition: "reciprocal",
 			name:      "apex_trimmed_labelled",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/reciprocal/", labelConditions: true},
+			ctx:       context{stripPrefix: []string{"testdata/reciprocal/"}, labelConditions: true},
 			expectedOut: []string{
 				"bin/bin1.meta_lic:notice bin/bin1.meta_lic:notice notice",
 				"bin/bin1.meta_lic:notice lib/liba.so.meta_lic:reciprocal reciprocal",
@@ -547,7 +547,7 @@
 			condition: "restricted",
 			name:      "apex_trimmed",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/restricted/"},
+			ctx:       context{stripPrefix: []string{"testdata/restricted/"}},
 			expectedOut: []string{
 				"bin/bin1.meta_lic bin/bin1.meta_lic notice:restricted_allows_dynamic_linking",
 				"bin/bin1.meta_lic lib/liba.so.meta_lic restricted_allows_dynamic_linking",
@@ -570,7 +570,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  []compliance.LicenseCondition{compliance.NoticeCondition},
-				stripPrefix: "testdata/restricted/",
+				stripPrefix: []string{"testdata/restricted/"},
 			},
 			expectedOut: []string{
 				"bin/bin1.meta_lic bin/bin1.meta_lic notice",
@@ -586,7 +586,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesShared.AsList(),
-				stripPrefix: "testdata/restricted/",
+				stripPrefix: []string{"testdata/restricted/"},
 			},
 			expectedOut: []string{
 				"bin/bin1.meta_lic bin/bin1.meta_lic restricted_allows_dynamic_linking",
@@ -610,7 +610,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesPrivate.AsList(),
-				stripPrefix: "testdata/restricted/",
+				stripPrefix: []string{"testdata/restricted/"},
 			},
 			expectedOut: []string{},
 		},
@@ -620,7 +620,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  append(compliance.ImpliesShared.AsList(), compliance.ImpliesPrivate.AsList()...),
-				stripPrefix: "testdata/restricted/",
+				stripPrefix: []string{"testdata/restricted/"},
 			},
 			expectedOut: []string{
 				"bin/bin1.meta_lic bin/bin1.meta_lic restricted_allows_dynamic_linking",
@@ -642,7 +642,7 @@
 			condition: "restricted",
 			name:      "apex_trimmed_labelled",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/restricted/", labelConditions: true},
+			ctx:       context{stripPrefix: []string{"testdata/restricted/"}, labelConditions: true},
 			expectedOut: []string{
 				"bin/bin1.meta_lic:notice bin/bin1.meta_lic:notice notice:restricted_allows_dynamic_linking",
 				"bin/bin1.meta_lic:notice lib/liba.so.meta_lic:restricted_allows_dynamic_linking restricted_allows_dynamic_linking",
@@ -730,7 +730,7 @@
 			condition: "proprietary",
 			name:      "apex_trimmed",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/proprietary/"},
+			ctx:       context{stripPrefix: []string{"testdata/proprietary/"}},
 			expectedOut: []string{
 				"bin/bin1.meta_lic bin/bin1.meta_lic notice",
 				"bin/bin1.meta_lic lib/liba.so.meta_lic proprietary:by_exception_only",
@@ -753,7 +753,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  []compliance.LicenseCondition{compliance.NoticeCondition},
-				stripPrefix: "testdata/proprietary/",
+				stripPrefix: []string{"testdata/proprietary/"},
 			},
 			expectedOut: []string{
 				"bin/bin1.meta_lic bin/bin1.meta_lic notice",
@@ -767,7 +767,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesShared.AsList(),
-				stripPrefix: "testdata/proprietary/",
+				stripPrefix: []string{"testdata/proprietary/"},
 			},
 			expectedOut: []string{
 				"bin/bin2.meta_lic bin/bin2.meta_lic restricted",
@@ -784,7 +784,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesPrivate.AsList(),
-				stripPrefix: "testdata/proprietary/",
+				stripPrefix: []string{"testdata/proprietary/"},
 			},
 			expectedOut: []string{
 				"bin/bin1.meta_lic lib/liba.so.meta_lic proprietary",
@@ -802,7 +802,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  append(compliance.ImpliesShared.AsList(), compliance.ImpliesPrivate.AsList()...),
-				stripPrefix: "testdata/proprietary/",
+				stripPrefix: []string{"testdata/proprietary/"},
 			},
 			expectedOut: []string{
 				"bin/bin1.meta_lic lib/liba.so.meta_lic proprietary",
@@ -822,7 +822,7 @@
 			condition: "proprietary",
 			name:      "apex_trimmed_labelled",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/proprietary/", labelConditions: true},
+			ctx:       context{stripPrefix: []string{"testdata/proprietary/"}, labelConditions: true},
 			expectedOut: []string{
 				"bin/bin1.meta_lic:notice bin/bin1.meta_lic:notice notice",
 				"bin/bin1.meta_lic:notice lib/liba.so.meta_lic:proprietary:by_exception_only proprietary:by_exception_only",
@@ -1080,7 +1080,7 @@
 			condition: "firstparty",
 			name:      "apex_trimmed",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/firstparty/"},
+			ctx:       context{stripPrefix: []string{"testdata/firstparty/"}},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic"),
 				matchTarget("lib/liba.so.meta_lic"),
@@ -1144,7 +1144,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  []compliance.LicenseCondition{compliance.NoticeCondition},
-				stripPrefix: "testdata/firstparty/",
+				stripPrefix: []string{"testdata/firstparty/"},
 			},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic"),
@@ -1209,7 +1209,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesShared.AsList(),
-				stripPrefix: "testdata/firstparty/",
+				stripPrefix: []string{"testdata/firstparty/"},
 			},
 			expectedOut: []getMatcher{},
 		},
@@ -1219,7 +1219,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesPrivate.AsList(),
-				stripPrefix: "testdata/firstparty/",
+				stripPrefix: []string{"testdata/firstparty/"},
 			},
 			expectedOut: []getMatcher{},
 		},
@@ -1229,7 +1229,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesShared.Union(compliance.ImpliesPrivate).AsList(),
-				stripPrefix: "testdata/firstparty/",
+				stripPrefix: []string{"testdata/firstparty/"},
 			},
 			expectedOut: []getMatcher{},
 		},
@@ -1237,7 +1237,7 @@
 			condition: "firstparty",
 			name:      "apex_trimmed_labelled",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/firstparty/", labelConditions: true},
+			ctx:       context{stripPrefix: []string{"testdata/firstparty/"}, labelConditions: true},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic", "notice"),
 				matchTarget("lib/liba.so.meta_lic", "notice"),
@@ -1472,7 +1472,7 @@
 			condition: "notice",
 			name:      "apex_trimmed",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/notice/"},
+			ctx:       context{stripPrefix: []string{"testdata/notice/"}},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic"),
 				matchTarget("lib/liba.so.meta_lic"),
@@ -1536,7 +1536,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  []compliance.LicenseCondition{compliance.NoticeCondition},
-				stripPrefix: "testdata/notice/",
+				stripPrefix: []string{"testdata/notice/"},
 			},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic"),
@@ -1601,7 +1601,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesShared.AsList(),
-				stripPrefix: "testdata/notice/",
+				stripPrefix: []string{"testdata/notice/"},
 			},
 			expectedOut: []getMatcher{},
 		},
@@ -1611,7 +1611,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesPrivate.AsList(),
-				stripPrefix: "testdata/notice/",
+				stripPrefix: []string{"testdata/notice/"},
 			},
 			expectedOut: []getMatcher{},
 		},
@@ -1621,7 +1621,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesShared.Union(compliance.ImpliesPrivate).AsList(),
-				stripPrefix: "testdata/notice/",
+				stripPrefix: []string{"testdata/notice/"},
 			},
 			expectedOut: []getMatcher{},
 		},
@@ -1629,7 +1629,7 @@
 			condition: "notice",
 			name:      "apex_trimmed_labelled",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/notice/", labelConditions: true},
+			ctx:       context{stripPrefix: []string{"testdata/notice/"}, labelConditions: true},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic", "notice"),
 				matchTarget("lib/liba.so.meta_lic", "notice"),
@@ -1864,7 +1864,7 @@
 			condition: "reciprocal",
 			name:      "apex_trimmed",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/reciprocal/"},
+			ctx:       context{stripPrefix: []string{"testdata/reciprocal/"}},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic"),
 				matchTarget("lib/liba.so.meta_lic"),
@@ -1928,7 +1928,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  []compliance.LicenseCondition{compliance.NoticeCondition},
-				stripPrefix: "testdata/reciprocal/",
+				stripPrefix: []string{"testdata/reciprocal/"},
 			},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic"),
@@ -1971,7 +1971,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesShared.AsList(),
-				stripPrefix: "testdata/reciprocal/",
+				stripPrefix: []string{"testdata/reciprocal/"},
 			},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic"),
@@ -2006,7 +2006,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesPrivate.AsList(),
-				stripPrefix: "testdata/reciprocal/",
+				stripPrefix: []string{"testdata/reciprocal/"},
 			},
 			expectedOut: []getMatcher{},
 		},
@@ -2016,7 +2016,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesShared.Union(compliance.ImpliesPrivate).AsList(),
-				stripPrefix: "testdata/reciprocal/",
+				stripPrefix: []string{"testdata/reciprocal/"},
 			},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic"),
@@ -2049,7 +2049,7 @@
 			condition: "reciprocal",
 			name:      "apex_trimmed_labelled",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/reciprocal/", labelConditions: true},
+			ctx:       context{stripPrefix: []string{"testdata/reciprocal/"}, labelConditions: true},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic", "notice"),
 				matchTarget("lib/liba.so.meta_lic", "reciprocal"),
@@ -2296,7 +2296,7 @@
 			condition: "restricted",
 			name:      "apex_trimmed",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/restricted/"},
+			ctx:       context{stripPrefix: []string{"testdata/restricted/"}},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic"),
 				matchTarget("lib/liba.so.meta_lic"),
@@ -2372,7 +2372,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  []compliance.LicenseCondition{compliance.NoticeCondition},
-				stripPrefix: "testdata/restricted/",
+				stripPrefix: []string{"testdata/restricted/"},
 			},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic"),
@@ -2406,7 +2406,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesShared.AsList(),
-				stripPrefix: "testdata/restricted/",
+				stripPrefix: []string{"testdata/restricted/"},
 			},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic"),
@@ -2478,7 +2478,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesPrivate.AsList(),
-				stripPrefix: "testdata/restricted/",
+				stripPrefix: []string{"testdata/restricted/"},
 			},
 			expectedOut: []getMatcher{},
 		},
@@ -2488,7 +2488,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesShared.Union(compliance.ImpliesPrivate).AsList(),
-				stripPrefix: "testdata/restricted/",
+				stripPrefix: []string{"testdata/restricted/"},
 			},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic"),
@@ -2558,7 +2558,7 @@
 			condition: "restricted",
 			name:      "apex_trimmed_labelled",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/restricted/", labelConditions: true},
+			ctx:       context{stripPrefix: []string{"testdata/restricted/"}, labelConditions: true},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic", "notice"),
 				matchTarget("lib/liba.so.meta_lic", "restricted_allows_dynamic_linking"),
@@ -2836,7 +2836,7 @@
 			condition: "proprietary",
 			name:      "apex_trimmed",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/proprietary/"},
+			ctx:       context{stripPrefix: []string{"testdata/proprietary/"}},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic"),
 				matchTarget("lib/liba.so.meta_lic"),
@@ -2914,7 +2914,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  []compliance.LicenseCondition{compliance.NoticeCondition},
-				stripPrefix: "testdata/proprietary/",
+				stripPrefix: []string{"testdata/proprietary/"},
 			},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic"),
@@ -2939,7 +2939,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesShared.AsList(),
-				stripPrefix: "testdata/proprietary/",
+				stripPrefix: []string{"testdata/proprietary/"},
 			},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin2.meta_lic"),
@@ -2977,7 +2977,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesPrivate.AsList(),
-				stripPrefix: "testdata/proprietary/",
+				stripPrefix: []string{"testdata/proprietary/"},
 			},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic"),
@@ -3021,7 +3021,7 @@
 			roots:     []string{"highest.apex.meta_lic"},
 			ctx: context{
 				conditions:  compliance.ImpliesShared.Union(compliance.ImpliesPrivate).AsList(),
-				stripPrefix: "testdata/proprietary/",
+				stripPrefix: []string{"testdata/proprietary/"},
 			},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic"),
@@ -3082,7 +3082,7 @@
 			condition: "proprietary",
 			name:      "apex_trimmed_labelled",
 			roots:     []string{"highest.apex.meta_lic"},
-			ctx:       context{stripPrefix: "testdata/proprietary/", labelConditions: true},
+			ctx:       context{stripPrefix: []string{"testdata/proprietary/"}, labelConditions: true},
 			expectedOut: []getMatcher{
 				matchTarget("bin/bin1.meta_lic", "notice"),
 				matchTarget("lib/liba.so.meta_lic", "by_exception_only", "proprietary"),