[PR PATCH] goreleaser: add completion and README.md

[mchlumsky <mchlumsky@users.noreply.github.com>]

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There is a new pull request by mchlumsky against master on the void-packages repository

https://github.com/mchlumsky/void-packages add-readme-completion
https://github.com/void-linux/void-packages/pull/45205

goreleaser: add completion and README.md
#### Testing the changes
- I tested the changes in this PR: **YES**

- I built this PR locally for my native architecture, x86_64-glibc

A patch file from https://github.com/void-linux/void-packages/pull/45205.patch is attached

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From 2118cfdcfc9795ab5274e85a8a7df8b0c80b6f1e Mon Sep 17 00:00:00 2001
From: Martin Chlumsky <martin.chlumsky@gmail.com>
Date: Fri, 21 Jul 2023 13:16:26 -0400
Subject: [PATCH] goreleaser: add completion and README.md

---
 srcpkgs/goreleaser/template | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/srcpkgs/goreleaser/template b/srcpkgs/goreleaser/template
index e245056d7d15b..c51af9e32ad80 100644
--- a/srcpkgs/goreleaser/template
+++ b/srcpkgs/goreleaser/template
@@ -1,7 +1,7 @@
 # Template file for 'goreleaser'
 pkgname=goreleaser
 version=1.19.2
-revision=1
+revision=2
 build_style=go
 go_import_path=github.com/goreleaser/goreleaser
 go_ldflags="-X main.version=${version}"
@@ -13,5 +13,14 @@ distfiles="https://github.com/goreleaser/goreleaser/archive/refs/tags/v$version.
 checksum=60e94d9371f7106878441deb006814339e3cf3d7f574d25cb22a9a45ec14939b
 
 post_install() {
+	vdoc README.md
+
 	vlicense LICENSE.md
+
+	goreleaser=$(find $GOPATH/bin -name goreleaser)
+
+	for shell in bash fish zsh; do
+		${goreleaser} completion ${shell} > completion.${shell}
+		vcompletion completion.${shell} ${shell}
+	done
 }