feat: support replaces on nfpm (#1888)

* feat: support replaces on nfpm

Signed-off-by: Carlos Alexandro Becker <caarlos0@gmail.com>

* Update www/docs/customization/nfpm.md

internal/pipe/nfpm/nfpm.go

@@ -165,6 +165,7 @@ func create(ctx *context.Context, fpm config.NFPM, format, arch string, binaries
 			Depends:      overridden.Dependencies,
 			Recommends:   overridden.Recommends,
 			Suggests:     overridden.Suggests,
+			Replaces:     overridden.Replaces,
 			EmptyFolders: overridden.EmptyFolders,
 			Files:        files,
 			ConfigFiles:  overridden.ConfigFiles,

internal/pipe/nfpm/nfpm_test.go

@@ -101,6 +101,7 @@ func TestRunPipe(t *testing.T) {
 					Dependencies:     []string{"make"},
 					Recommends:       []string{"svn"},
 					Suggests:         []string{"bzr"},
+					Replaces:         []string{"fish"},
 					Conflicts:        []string{"git"},
 					EmptyFolders:     []string{"/var/log/foobar"},
 					Release:          "10",
@@ -607,6 +608,7 @@ func TestMeta(t *testing.T) {
 					Dependencies:     []string{"make"},
 					Recommends:       []string{"svn"},
 					Suggests:         []string{"bzr"},
+					Replaces:         []string{"fish"},
 					Conflicts:        []string{"git"},
 					EmptyFolders:     []string{"/var/log/foobar"},
 					Release:          "10",

pkg/config/config.go

@@ -399,6 +399,7 @@ type NFPMOverridables struct {
 	Recommends       []string          `yaml:",omitempty"`
 	Suggests         []string          `yaml:",omitempty"`
 	Conflicts        []string          `yaml:",omitempty"`
+	Replaces         []string          `yaml:",omitempty"`
 	EmptyFolders     []string          `yaml:"empty_folders,omitempty"`
 	Files            map[string]string `yaml:",omitempty"`
 	ConfigFiles      map[string]string `yaml:"config_files,omitempty"`

www/docs/customization/nfpm.md

@@ -85,6 +85,10 @@ nfpms:
       - svn
       - bash
 
+    # Packages it replaces.
+    replaces:
+      - fish
+
     # Override default /usr/local/bin destination for binaries
     bindir: /usr/bin
 
@@ -133,7 +137,7 @@ nfpms:
       preremove: "scripts/preremove.sh"
       postremove: "scripts/postremove.sh"
 
-    # Some attributes can be overrided per package format.
+    # Some attributes can be overridden per package format.
     overrides:
       deb:
         conflicts:
@@ -144,6 +148,8 @@ nfpms:
           - gitk
         recommends:
           - tig
+        replaces:
+          - bash
         empty_folders:
           - /var/log/bar
       rpm: