cli: add BUCK files

The `grammar` macro from `pest_derive` doesn't actually interpret the given file
as relative in our case, so we have to give it the fully qualified relative path
which exists in the `buck-out/` dir.

BUCK

@@ -3,6 +3,8 @@
     alias(name = name, actual = actual)
         for (name, actual) in [
             # (top-level name, fully-qualified target name)
+            ("jj",          "//cli:jj"),
+            ("jj-cli",      "//cli:cli"),
             ("jj-lib",      "//lib:lib"),
             ("gen-protos",  "//lib/gen-protos:gen-protos"),
             ("proc-macros", "//lib/proc-macros:proc-macros"),

cli/BUCK

@@ -0,0 +1,93 @@
+
+load("//buck/shims/jj.bzl", "jj")
+
+alias(
+    # NOTE: default target for this package
+    name = 'cli',
+    actual = ':jj',
+    visibility = [ 'PUBLIC' ],
+)
+
+jj.rust_binary(
+    name = 'jj',
+    srcs = ['src/main.rs'],
+    visibility = [ "PUBLIC" ],
+    features = [
+        "watchman",
+        "git",
+    ],
+    linker_flags = [ '-lstdc++' ], # XXX FIXME (aseipp): should be implied by `bssl`
+    deps = [
+        ":jj-cli",
+    ],
+)
+
+jj.rust_library(
+    name = "jj-cli",
+    srcs = glob([
+        "src/**/*.rs",
+        "src/**/*.toml",
+        "src/**/*.json",
+        "src/**/*.pest",
+    ], exclude = [
+        "**/main.rs"
+    ]),
+
+    visibility = [ "PUBLIC" ],
+    features = [
+        "watchman",
+    ],
+
+    deps = [
+        # first-party dependencies
+        "//lib:jj-lib",
+    ] + [
+        # third-party dependencies
+        "third-party//rust:chrono",
+        "third-party//rust:clap",
+        "third-party//rust:clap-markdown",
+        "third-party//rust:clap_complete",
+        "third-party//rust:clap_complete_nushell",
+        "third-party//rust:clap_mangen",
+        "third-party//rust:config",
+        "third-party//rust:criterion",
+        "third-party//rust:crossterm",
+        "third-party//rust:dirs",
+        "third-party//rust:esl01-renderdag",
+        "third-party//rust:futures",
+        "third-party//rust:git2",
+        "third-party//rust:gix",
+        "third-party//rust:hex",
+        "third-party//rust:indexmap",
+        "third-party//rust:itertools",
+        "third-party//rust:rayon",
+        "third-party//rust:maplit",
+        "third-party//rust:minus",
+        "third-party//rust:once_cell",
+        "third-party//rust:pest",
+        "third-party//rust:pest_derive",
+        "third-party//rust:pollster",
+        "third-party//rust:regex",
+        "third-party//rust:rpassword",
+        "third-party//rust:scm-record",
+        "third-party//rust:serde",
+        "third-party//rust:slab",
+        "third-party//rust:strsim",
+        "third-party//rust:tempfile",
+        "third-party//rust:textwrap",
+        "third-party//rust:thiserror",
+        "third-party//rust:timeago",
+        "third-party//rust:toml_edit",
+        "third-party//rust:tracing",
+        "third-party//rust:tracing-chrome",
+        "third-party//rust:tracing-subscriber",
+        "third-party//rust:unicode-width",
+
+        # platform-specific dependencies
+    ] + select({
+        "config//os:windows": [],
+        "DEFAULT": [
+            "third-party//rust:libc",
+        ],
+    })
+)

cli/src/template_parser.rs

@@ -28,6 +28,12 @@ use pest::Parser;
 use pest_derive::Parser;
 use thiserror::Error;
 
+#[cfg(buck_build)]
+#[derive(Parser)]
+#[grammar = "cli/src/template.pest"]
+struct TemplateParser;
+
+#[cfg(not(buck_build))]
 #[derive(Parser)]
 #[grammar = "template.pest"]
 struct TemplateParser;