feat(nvim): add pkgbuild shellcheck wrapper

3 files changed, 115 insertions, 2 deletions

diff --git a/nvim/.config/nvim/lua/plugins/lint.lua b/nvim/.config/nvim/lua/plugins/lint.lua
index e72102f..f2b3cfc 100644
--- a/nvim/.config/nvim/lua/plugins/lint.lua
+++ b/nvim/.config/nvim/lua/plugins/lint.lua
@@ -60,6 +60,18 @@ local M = {
 					})[1]
 				end,
 			},
+			shellcheck = {
+				condition = function()
+					return not vim.api.nvim_buf_get_name(0):match(".*/PKGBUILD$")
+				end,
+			},
+			pkgbuildcheck = {
+				extend = "shellcheck",
+				cmd = "pkgbuildcheck",
+				condition = function()
+					return vim.api.nvim_buf_get_name(0):match(".*/PKGBUILD$")
+				end,
+			},
 		},
 	},
 }
@@ -75,7 +87,10 @@ function M:config(opts)
 	local lint = require("lint")
 	lint.linters_by_ft = opts.linters_by_ft
 	vim.iter(opts.linters):each(function(name, linter)
-		linter = vim.tbl_deep_extend("keep", linter, require("lint").linters[name] or {}, { args = {} })
+		linter = vim.tbl_deep_extend("keep", linter, require("lint").linters[linter.extend or name] or {}, {
+			args = {},
+			prepend_args = {},
+		})
 		vim.iter(linter.prepend_args):rev():each(function(arg)
 			table.insert(linter.args, 1, arg)
 		end)
diff --git a/nvim/.config/nvim/lua/tobyvin/filetype.lua b/nvim/.config/nvim/lua/tobyvin/filetype.lua
index f82e6b9..2f288e9 100644
--- a/nvim/.config/nvim/lua/tobyvin/filetype.lua
+++ b/nvim/.config/nvim/lua/tobyvin/filetype.lua
@@ -6,7 +6,6 @@ vim.filetype.add({
 		service = "systemd",
 	},
 	filename = {
-		PKGBUILD = "PKGBUILD",
 		tridactylrc = "trytactylrc",
 	},
 	pattern = {
diff --git a/nvim/.local/bin/pkgbuildcheck b/nvim/.local/bin/pkgbuildcheck
new file mode 100755
index 0000000..af2bc39
--- /dev/null
+++ b/nvim/.local/bin/pkgbuildcheck
@@ -0,0 +1,99 @@
+#!/bin/sh
+
+{
+	cat <<-EOF
+		#!/bin/bash -euET
+
+		# declare variables used by PKGBUILD
+		srcdir='~!@#$%^&*() /\|'
+		pkgdir='~!@#$%^&*() /\|'
+
+		# the actual PKGBUILD gets inlined by RUA here
+
+		$(cat)
+
+		# ensure that obligatory PKGBUILD values are defined, and avoid "unused" warning for them:
+		test "\${pkgname[*]} should be declared in PKGBUILD"
+		test "\${pkgver[*]} should be declared in PKGBUILD"
+		test "\${pkgrel[*]} should be declared in PKGBUILD"
+		test "\${arch[*]} should be declared in PKGBUILD"
+
+		# avoid "unused" warning for optional PKGBUILD variables:
+		export pkgbase
+		export epoch
+		export pkgdesc
+		export url
+		export license
+		export install
+		export changelog
+		export source
+		export source_aarch64
+		export source_i686
+		export source_x86_64
+		export validpgpkeys
+		export noextract
+		export md5sums
+		export md5sums_aarch64
+		export md5sums_i686
+		export md5sums_x86_64
+		export sha1sums
+		export sha1sums_aarch64
+		export sha1sums_i686
+		export sha1sums_x86_64
+		export sha224sums
+		export sha224sums_aarch64
+		export sha224sums_i686
+		export sha224sums_x86_64
+		export sha256sums
+		export sha256sums_aarch64
+		export sha256sums_i686
+		export sha256sums_x86_64
+		export sha384sums
+		export sha384sums_aarch64
+		export sha384sums_i686
+		export sha384sums_x86_64
+		export sha512sums
+		export sha512sums_aarch64
+		export sha512sums_i686
+		export sha512sums_x86_64
+		export b2sums
+		export b2sums_aarch64
+		export b2sums_i686
+		export b2sums_x86_64
+		export groups
+		export backup
+		export depends
+		export depends_aarch64
+		export depends_i686
+		export depends_x86_64
+		export makedepends
+		export makedepends_aarch64
+		export makedepends_i686
+		export makedepends_x86_64
+		export checkdepends
+		export checkdepends_aarch64
+		export checkdepends_i686
+		export checkdepends_x86_64
+		export optdepends
+		export optdepends_aarch64
+		export optdepends_i686
+		export optdepends_x86_64
+		export conflicts
+		export conflicts_aarch64
+		export conflicts_i686
+		export conflicts_x86_64
+		export provides
+		export provides_aarch64
+		export provides_i686
+		export provides_x86_64
+		export replaces
+		export replaces_aarch64
+		export replaces_i686
+		export replaces_x86_64
+		export options
+
+		# avoid "unused" warning for variables defined _for_ PKGBUILD
+		export srcdir
+		export pkgdir
+	EOF
+} | shellcheck "$@"