feat: support provides field in nfpm config

refs #3259

Signed-off-by: Carlos A Becker <caarlos0@users.noreply.github.com>

internal/pipe/nfpm/nfpm.go

@@ -256,6 +256,7 @@ func create(ctx *context.Context, fpm config.NFPM, format string, binaries []*ar
 			Conflicts:  overridden.Conflicts,
 			Depends:    overridden.Dependencies,
 			Recommends: overridden.Recommends,
+			Provides:   overridden.Provides,
 			Suggests:   overridden.Suggests,
 			Replaces:   overridden.Replaces,
 			Contents:   contents,

internal/pipe/nfpm/nfpm_test.go

@@ -108,6 +108,7 @@ func TestRunPipe(t *testing.T) {
 					Suggests:         []string{"bzr"},
 					Replaces:         []string{"fish"},
 					Conflicts:        []string{"git"},
+					Provides:         []string{"ash"},
 					Release:          "10",
 					Epoch:            "20",
 					Contents: []*files.Content{

pkg/config/config.go

@@ -658,6 +658,7 @@ type NFPMOverridables struct {
 	Suggests         []string          `yaml:"suggests,omitempty" json:"suggests,omitempty"`
 	Conflicts        []string          `yaml:"conflicts,omitempty" json:"conflicts,omitempty"`
 	Replaces         []string          `yaml:"replaces,omitempty" json:"replaces,omitempty"`
+	Provides         []string          `yaml:"provides,omitempty" json:"provides,omitempty"`
 	Contents         files.Contents    `yaml:"contents,omitempty" json:"contents,omitempty"`
 	Scripts          NFPMScripts       `yaml:"scripts,omitempty" json:"scripts,omitempty"`
 	RPM              NFPMRPM           `yaml:"rpm,omitempty" json:"rpm,omitempty"`

www/docs/customization/nfpm.md

@@ -67,27 +67,31 @@ nfpms:
       - deb
       - rpm
 
-    # Packages your package depends on.
+    # Packages your package depends on. (overridable)
     dependencies:
       - git
       - zsh
 
-    # Packages your package recommends installing.
+    # Packages it provides. (overridable)
+    provides:
+      - bar
+
+    # Packages your package recommends installing. (overridable)
     recommends:
       - bzr
       - gtk
 
-    # Packages your package suggests installing.
+    # Packages your package suggests installing. (overridable)
     suggests:
       - cvs
       - ksh
 
-    # Packages that conflict with your package.
+    # Packages that conflict with your package. (overridable)
     conflicts:
       - svn
       - bash
 
-    # Packages it replaces.
+    # Packages it replaces. (overridable)
     replaces:
       - fish
 
@@ -224,6 +228,8 @@ nfpms:
           - tig
         replaces:
           - bash
+        provides:
+          - bash
       rpm:
         replacements:
           amd64: x86_64
@@ -359,3 +365,6 @@ nfpms:
 
 !!! tip
     Learn more about the [name template engine](/customization/templates/).
+
+!!! info
+    Fields marked with "overridable" can be overriden for any format.