flake.nix,air: use air config file with correct exclusion

Signed-off-by: Seongmin Lee <[e-mail]>

.air/appview.toml

···
-[build]
-cmd = "tailwindcss -i input.css -o ./appview/pages/static/tw.css && go build -o .bin/app ./cmd/appview/main.go"
-bin = ";set -o allexport && source .env && set +o allexport; .bin/app"
 root = "."
+tmp_dir = "out"
 
-exclude_regex = [".*_templ.go"]
-include_ext = ["go", "templ", "html", "css"]
-exclude_dir = ["target", "atrium", "nix"]
+[build]
+cmd = "go build -o out/appview.out cmd/appview/main.go"
+bin = "out/appview.out"
+
+include_ext = ["go"]
+exclude_dir = ["avatar", "camo", "indexes", "nix", "tmp"]
+stop_on_error = true

.air/knot.toml

···
+root = "."
+tmp_dir = "out"
+
+[build]
+cmd = 'go build -ldflags "-X tangled.org/core/knotserver.version=$(git describe --tags --long)" -o out/knot.out cmd/knot/main.go'
+bin = "out/knot.out"
+args_bin = "server"
+
+include_ext = ["go"]
+exclude_dir = ["avatar", "camo", "indexes", "nix", "tmp"]
+stop_on_error = true

.air/knotserver.toml

···
-[build]
-cmd = 'go build -ldflags "-X tangled.org/core/knotserver.version=$(git describe --tags --long)" -o .bin/knot ./cmd/knot/'
-bin = ".bin/knot server"
-root = "."
-
-exclude_regex = [""]
-include_ext = ["go", "templ"]

.air/spindle.toml

···
+root = "."
+tmp_dir = "out"
+
+[build]
+cmd = "go build -o out/spindle.out cmd/spindle/main.go"
+bin = "out/spindle.out"
+
+include_ext = ["go"]
+exclude_dir = ["avatar", "camo", "indexes", "nix", "tmp"]
+stop_on_error = true

flake.nix

···
       air-watcher = name: arg:
         pkgs.writeShellScriptBin "run"
         ''
-          ${pkgs.air}/bin/air -c /dev/null \
-          -build.cmd "${pkgs.go}/bin/go build -o ./out/${name}.out ./cmd/${name}/main.go" \
-          -build.bin "./out/${name}.out" \
-          -build.args_bin "${arg}" \
-          -build.stop_on_error "true" \
-          -build.include_ext "go"
+          export PATH=${pkgs.go}/bin:$PATH
+          ${pkgs.air}/bin/air -c ./.air/${name}.toml \
+            -build.args_bin "${arg}"
         '';
       tailwind-watcher =
         pkgs.writeShellScriptBin "run"