From 82636e86676a8902f0396c722f71c394e4bac20c Mon Sep 17 00:00:00 2001
From: inquisitivecrystal
 <22333129+inquisitivecrystal@users.noreply.github.com>
Date: Sun, 11 Jul 2021 14:43:36 -0700
Subject: [PATCH 1/2] Add `d` as an alias for `doc`

---
 src/bin/cargo/cli.rs          | 2 +-
 src/bin/cargo/commands/doc.rs | 2 ++
 src/bin/cargo/main.rs         | 3 ++-
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/bin/cargo/cli.rs b/src/bin/cargo/cli.rs
index e3a62cd161a..1fa8c9b9c7a 100644
--- a/src/bin/cargo/cli.rs
+++ b/src/bin/cargo/cli.rs
@@ -319,7 +319,7 @@ Some common cargo commands are (see all commands with --list):
     build, b    Compile the current package
     check, c    Analyze the current package and report errors, but don't build object files
     clean       Remove the target directory
-    doc         Build this package's and its dependencies' documentation
+    doc, d      Build this package's and its dependencies' documentation
     new         Create a new cargo package
     init        Create a new cargo package in an existing directory
     run, r      Run a binary or example of the local package
diff --git a/src/bin/cargo/commands/doc.rs b/src/bin/cargo/commands/doc.rs
index 7ef405177be..cabb51b3828 100644
--- a/src/bin/cargo/commands/doc.rs
+++ b/src/bin/cargo/commands/doc.rs
@@ -4,6 +4,8 @@ use cargo::ops::{self, DocOptions};
 
 pub fn cli() -> App {
     subcommand("doc")
+        // subcommand aliases are handled in aliased_command()
+        // .alias("d")
         .about("Build a package's documentation")
         .arg(opt("quiet", "No output printed to stdout").short("q"))
         .arg(opt(
diff --git a/src/bin/cargo/main.rs b/src/bin/cargo/main.rs
index 0ca7d6e298e..6f9134b8c54 100644
--- a/src/bin/cargo/main.rs
+++ b/src/bin/cargo/main.rs
@@ -48,9 +48,10 @@ fn main() {
 
 /// Table for defining the aliases which come builtin in `Cargo`.
 /// The contents are structured as: `(alias, aliased_command, description)`.
-const BUILTIN_ALIASES: [(&str, &str, &str); 4] = [
+const BUILTIN_ALIASES: [(&str, &str, &str); 5] = [
     ("b", "build", "alias: build"),
     ("c", "check", "alias: check"),
+    ("d", "doc", "alias: doc"),
     ("r", "run", "alias: run"),
     ("t", "test", "alias: test"),
 ];

From b2e5d8a4549d209e25f31432f2c22cba9db77ec9 Mon Sep 17 00:00:00 2001
From: inquisitivecrystal
 <22333129+inquisitivecrystal@users.noreply.github.com>
Date: Thu, 15 Jul 2021 15:31:39 -0700
Subject: [PATCH 2/2] Document `d` alias

---
 src/doc/src/reference/config.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/doc/src/reference/config.md b/src/doc/src/reference/config.md
index a6fc0b0f1ff..4330fb20894 100644
--- a/src/doc/src/reference/config.md
+++ b/src/doc/src/reference/config.md
@@ -252,6 +252,7 @@ subcommand and arguments. The following aliases are built-in to Cargo:
 [alias]
 b = "build"
 c = "check"
+d = "doc"
 t = "test"
 r = "run"
 ```