Add auto-generator for tools list

Signed-off-by: Knut Ahlers <knut@ahlers.me>

.SRCINFO

@@ -0,0 +1,15 @@
+pkgbase = vim-go-tools
+	pkgdesc = Package of tools required by vim-go
+	pkgver = 0.1.0
+	pkgrel = 1
+	url = https://github.com/fatih/vim-go
+	arch = x86_64
+	license = other
+	makedepends = go
+	source = build.sh
+	source = tools.txt
+	sha512sums = 225301ca5a3435d70a12628f55a6174487a59970596a23010c52b4e6554573a0bb9e16d01e4e08211cd1301272142acf195e1a7b97b0ee007ae8cbe757387d70
+	sha512sums = 751a9bf8bbea2fac37f4a9e405e2a5020ad0880b353ea9467d54f0a1a31dd321e8f860fc32646c463e2142f46c4b82826e426a872a71752cb63b32ad34393e1e
+
+pkgname = vim-go-tools
+

PKGBUILD

@@ -8,8 +8,9 @@ arch=('x86_64')
 url="https://github.com/fatih/vim-go"
 license=(other)
 makedepends=('go')
-source=("build.sh")
-sha512sums=('5055aec7ebd34916110b85bde9f7db1bce22a278e0c02e518581d399919aac2052e9e9d9469ce869e9152e418234f494729170e0fa261c308c4f29d8abd01ac1')
+source=("build.sh" "tools.txt")
+sha512sums=('225301ca5a3435d70a12628f55a6174487a59970596a23010c52b4e6554573a0bb9e16d01e4e08211cd1301272142acf195e1a7b97b0ee007ae8cbe757387d70'
+            '751a9bf8bbea2fac37f4a9e405e2a5020ad0880b353ea9467d54f0a1a31dd321e8f860fc32646c463e2142f46c4b82826e426a872a71752cb63b32ad34393e1e')
 
 build() {
 	mkdir -p "${srcdir}/go"

build.sh

@@ -1,29 +1,7 @@
 #!/bin/bash
 set -euo pipefail
 
-packages=(
-	github.com/alecthomas/gometalinter
-	github.com/davidrjenni/reftools/cmd/fillstruct
-	github.com/fatih/gomodifytags
-	github.com/fatih/motion
-	github.com/go-delve/delve/cmd/dlv
-	github.com/golangci/golangci-lint/cmd/golangci-lint
-	github.com/josharian/impl
-	github.com/jstemmer/gotags
-	github.com/kisielk/errcheck
-	github.com/klauspost/asmfmt/cmd/asmfmt
-	github.com/koron/iferr
-	github.com/mdempsky/gocode
-	github.com/rogpeppe/godef
-	github.com/stamblerre/gocode
-	github.com/zmb3/gogetdoc
-	golang.org/x/lint/golint
-	golang.org/x/tools/cmd/goimports
-	golang.org/x/tools/cmd/gopls
-	golang.org/x/tools/cmd/gorename
-	golang.org/x/tools/cmd/guru
-	honnef.co/go/tools/cmd/keyify
-)
+packages=($(cat tools.txt))
 
 for package in "${packages[@]}"; do
 	echo -e "\e[96mBuilding ${package}...\e[m" >&2

update.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+set -euo pipefail
+
+curl -sSfL "https://raw.githubusercontent.com/fatih/vim-go/master/plugin/go.vim" |
+	grep -Eo "\\ \['[^']*/[^']*'" |
+	tr -d "[' " |
+	sort >tools.txt.new
+
+diff tools.txt tools.txt.new && {
+	echo "Up to date"
+	rm tools.txt.new
+	exit 0
+} || true
+
+mv tools.txt.new tools.txt
+updpkgsums
+
+sed -i "s/pkgver=.*/pkgver=$(date +%Y.%m.%d)/" PKGBUILD
+makepkg --printsrcinfo >.SRCINFO
+
+git add tools.txt .SRCINFO PKGBUILD
+git c -m "Update tools $(date +%Y.%m.%d)"