Check if a file was added when resolving

Author: evanpurkhiser

resolver/resolver.go

@@ -23,6 +23,7 @@ type SourceFile struct {
 type Dotfile struct {
 	Path         string
 	Removed      bool
+	Added        bool
 	Sources      []*SourceFile
 	InstallFiles []string
 }
@@ -96,7 +97,7 @@ func (d dotfileMap) asList() Dotfiles {
 // resolveSources inserts or updates a dotfiles map from a list of
 // dotfile sources relative to the source root. Sources not belonging to the
 // specified group will be ignored.
-func resolveSources(dotfiles dotfileMap, sources []string, group string) {
+func resolveSources(dotfiles dotfileMap, sources, oldDotfiles []string, group string) {
 	for _, source := range sources {
 		if !strings.HasPrefix(source, group) {
 			continue
@@ -115,9 +116,18 @@ func resolveSources(dotfiles dotfileMap, sources []string, group string) {
 			continue
 		}
 
+		added := true
+		for _, oldDotfilePath := range oldDotfiles {
+			if oldDotfilePath == destPath {
+				added = false
+				break
+			}
+		}
+
 		dotfiles[destPath] = &Dotfile{
 			Path:    destPath,
 			Sources: []*SourceFile{sourceFile},
+			Added:   added,
 		}
 	}
 }
@@ -252,7 +262,7 @@ func ResolveDotfiles(conf config.SourceConfig, lockfile config.SourceLockfile) D
 	groups := lockfile.ResolveGroups(conf)
 
 	for _, group := range groups {
-		resolveSources(dotfiles, sources, group)
+		resolveSources(dotfiles, sources, lockfile.InstalledFiles, group)
 		resolveOverrides(dotfiles, "."+conf.OverrideSuffix)
 	}
 

resolver/resolver_test.go

@@ -52,13 +52,14 @@ func TestResolveDotfiles(t *testing.T) {
 				"machines/server/blank.ovrd",
 				"machines/desktop/multi-composed",
 			},
-			ExistingFiles:  []string{},
+			ExistingFiles:  []string{"bash/conf", "environment"},
 			Groups:         []string{"base", "machines/desktop", "machines/server"},
 			OverrideSuffix: "ovrd",
 			InstallSuffix:  "inst",
 			Expected: Dotfiles{
 				{
-					Path: "bash/conf",
+					Path:  "bash/conf",
+					Added: false,
 					Sources: []*SourceFile{
 						{
 							Group: "base",
@@ -68,7 +69,8 @@ func TestResolveDotfiles(t *testing.T) {
 					InstallFiles: []string{"base/bash.inst"},
 				},
 				{
-					Path: "bash/conf2",
+					Path:  "bash/conf2",
+					Added: true,
 					Sources: []*SourceFile{
 						{
 							Group: "base",
@@ -78,7 +80,8 @@ func TestResolveDotfiles(t *testing.T) {
 					InstallFiles: []string{"base/bash.inst"},
 				},
 				{
-					Path: "blank",
+					Path:  "blank",
+					Added: true,
 					Sources: []*SourceFile{
 						{
 							Group:    "machines/server",
@@ -88,7 +91,8 @@ func TestResolveDotfiles(t *testing.T) {
 					},
 				},
 				{
-					Path: "environment",
+					Path:  "environment",
+					Added: false,
 					Sources: []*SourceFile{
 						{
 							Group: "base",
@@ -101,7 +105,8 @@ func TestResolveDotfiles(t *testing.T) {
 					},
 				},
 				{
-					Path: "generic-config",
+					Path:  "generic-config",
+					Added: true,
 					Sources: []*SourceFile{
 						{
 							Group: "base",
@@ -116,7 +121,8 @@ func TestResolveDotfiles(t *testing.T) {
 					InstallFiles: []string{"base/generic-config.inst"},
 				},
 				{
-					Path: "multi-composed",
+					Path:  "multi-composed",
+					Added: true,
 					Sources: []*SourceFile{
 						{
 							Group: "base",
@@ -133,7 +139,8 @@ func TestResolveDotfiles(t *testing.T) {
 					},
 				},
 				{
-					Path: "vimrc",
+					Path:  "vimrc",
+					Added: true,
 					Sources: []*SourceFile{
 						{
 							Group: "machines/desktop",
@@ -152,9 +159,11 @@ func TestResolveDotfiles(t *testing.T) {
 				{
 					Path:    "bashrc",
 					Removed: true,
+					Added:   false,
 				},
 				{
-					Path: "vimrc",
+					Path:  "vimrc",
+					Added: false,
 					Sources: []*SourceFile{
 						{
 							Group: "base",
@@ -187,7 +196,8 @@ func TestResolveDotfiles(t *testing.T) {
 			Groups:        []string{"base", "machines/desktop", "machines/server"},
 			Expected: Dotfiles{
 				{
-					Path: "bash/file1",
+					Path:  "bash/file1",
+					Added: true,
 					Sources: []*SourceFile{
 						{
 							Group: "base",
@@ -205,7 +215,8 @@ func TestResolveDotfiles(t *testing.T) {
 					},
 				},
 				{
-					Path: "bash/file2",
+					Path:  "bash/file2",
+					Added: true,
 					Sources: []*SourceFile{
 						{
 							Group:    "base",
@@ -219,7 +230,8 @@ func TestResolveDotfiles(t *testing.T) {
 					},
 				},
 				{
-					Path: "bash/file3",
+					Path:  "bash/file3",
+					Added: true,
 					Sources: []*SourceFile{
 						{
 							Group:    "base",
@@ -229,7 +241,8 @@ func TestResolveDotfiles(t *testing.T) {
 					},
 				},
 				{
-					Path: "bash/file4",
+					Path:  "bash/file4",
+					Added: true,
 					Sources: []*SourceFile{
 						{
 							Group:    "base",