feat: include working directory within hook environment variables (#163)

cmd/tag.go

@@ -82,7 +82,17 @@ Environment Variables:
 |                    | Must be used in conjunction with NSV_SHOW (default: full)      |
 | NSV_SHOW           | show how the next semantic version was generated               |
 | NSV_TAG_MESSAGE    | a custom message for the annotated tag, supports go text       |
-|                    | templates. The default is: "chore: tagged release {{.Tag}}"    |`
+|                    | templates. The default is: "chore: tagged release {{.Tag}}"    |
+
+Hook Environment Variables:
+
+| Name                  | Description                                                 |
+|-----------------------|-------------------------------------------------------------|
+| NSV_NEXT_TAG          | the next calculated semantic version                        |
+| NSV_PREV_TAG          | the last semantic version as identified within the tag      |
+|                       | history of the current repository                           |
+| NSV_WORKING_DIRECTORY | the working directory (or path) relative to the root of the |
+|                       | current repository. It will be empty if not a monorepo      |`
 )
 
 func tagCmd(opts *Options) *cobra.Command {

internal/nsv/semver.go

@@ -259,7 +259,11 @@ func NextVersion(gitc *git.Client, opts Options) (*Next, error) {
 		if diffs, err = execHook(
 			gitc,
 			opts.Hook,
-			[]string{"NSV_PREV_TAG=" + ltag, "NSV_NEXT_TAG=" + nextVer},
+			[]string{
+				"NSV_PREV_TAG=" + ltag,
+				"NSV_NEXT_TAG=" + nextVer,
+				"NSV_WORKING_DIRECTORY=" + ctx.LogPath,
+			},
 			opts.Logger,
 		); err != nil {
 			return nil, err