Rename default branch to main

.github/workflows/check_diff.yml

@@ -3,7 +3,7 @@ on:
   workflow_dispatch:
     inputs:
       clone_url:
-        description: 'Git url of a rustfmt fork to compare against the latest master rustfmt'
+        description: 'Git url of a rustfmt fork to compare against the latest rustfmt'
         required: true
       branch_name:
         description: 'Name of the feature branch on the forked repo'

.github/workflows/integration.yml

@@ -2,7 +2,7 @@ name: integration
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
 
 jobs:

.github/workflows/linux.yml

@@ -2,7 +2,7 @@ name: linux
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
 
 jobs:

.github/workflows/mac.yml

@@ -2,7 +2,7 @@ name: mac
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
 
 jobs:

.github/workflows/rustdoc_check.yml

@@ -2,7 +2,7 @@ name: rustdoc check
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
 
 jobs:

.github/workflows/windows.yml

@@ -2,7 +2,7 @@ name: windows
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
 
 jobs:

CHANGELOG.md

@@ -30,7 +30,7 @@
 - Add `style_edition=2027` to gate unstable formatting [#6324](https://github.com/rust-lang/rustfmt/pull/6324)
 - Support discovering and formatting files via external mods imported within `cfg_match`, similar to `cfg_if` behavior [#6522](https://github.com/rust-lang/rustfmt/pull/6522)
 - Add new nightly-only `match_arm_indent` option [#6525](https://github.com/rust-lang/rustfmt/pull/6525)
-  - more details in the [configuration section for this new option](https://github.com/rust-lang/rustfmt/blob/master/Configurations.md#match_arm_indent)
+  - more details in the [configuration section for this new option](https://github.com/rust-lang/rustfmt/blob/HEAD/Configurations.md#match_arm_indent)
 
 
 ## [1.8.0] 2024-09-20
@@ -331,7 +331,7 @@
 
 ### Added
 
-- New configuration option [`skip_macro_invocations`](https://rust-lang.github.io/rustfmt/?version=master&search=#skip_macro_invocations) [#5347](https://github.com/rust-lang/rustfmt/pull/5347) that can be used to globally define a single enumerated list of macro calls that rustfmt should skip formatting. rustfmt [currently also supports this via a custom tool attribute](https://github.com/rust-lang/rustfmt#tips), however, these cannot be used in all contexts because [custom inner attributes are unstable](https://github.com/rust-lang/rust/issues/54726)
+- New configuration option [`skip_macro_invocations`](https://rust-lang.github.io/rustfmt/?version=main&search=#skip_macro_invocations) [#5347](https://github.com/rust-lang/rustfmt/pull/5347) that can be used to globally define a single enumerated list of macro calls that rustfmt should skip formatting. rustfmt [currently also supports this via a custom tool attribute](https://github.com/rust-lang/rustfmt#tips), however, these cannot be used in all contexts because [custom inner attributes are unstable](https://github.com/rust-lang/rust/issues/54726)
 
 ### Misc
 

Configurations.md

@@ -2564,7 +2564,7 @@ See also [`max_width`](#max_width) and [`use_small_heuristics`](#use_small_heuri
 ## `single_line_let_else_max_width`
 
 Maximum line length for single line let-else statements.
-See the [let-else statement section of the Rust Style Guide](https://github.com/rust-lang/rust/blob/master/src/doc/style-guide/src/statements.md#else-blocks-let-else-statements) for more details on when a let-else statement may be written on a single line.
+See the [let-else statement section of the Rust Style Guide](https://github.com/rust-lang/rust/blob/HEAD/src/doc/style-guide/src/statements.md#else-blocks-let-else-statements) for more details on when a let-else statement may be written on a single line.
 A value of `0` (zero) means the divergent `else` block will always be formatted over multiple lines.
 Note this occurs when `use_small_heuristics` is set to `Off`.
 

Contributing.md

@@ -157,7 +157,7 @@ format.
 
 There are different nodes for every kind of item and expression in Rust. For
 more details see the source code in the compiler -
-[ast.rs](https://github.com/rust-lang/rust/blob/master/compiler/rustc_ast/src/ast.rs) - and/or the
+[ast.rs](https://github.com/rust-lang/rust/blob/HEAD/compiler/rustc_ast/src/ast.rs) - and/or the
 [docs](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_ast/ast/index.html).
 
 Many nodes in the AST (but not all, annoyingly) have a `Span`. A `Span` is a

Processes.md

@@ -36,7 +36,7 @@ For example, 1.0.0 -> 1.0.1:
 +version = "1.0.1"
 ```
 
-## 2. Push the commit to the master branch
+## 2. Push the commit to the main branch
 
 E.g., https://github.com/rust-lang/rustfmt/commit/5274b49caa1a7db6ac10c76bf1a3d5710ccef569
 

check_diff/src/lib.rs

@@ -325,7 +325,7 @@ pub fn build_rustfmt_from_src(
     //Because we're building standalone binaries we need to set `LD_LIBRARY_PATH` so each
     // binary can find it's runtime dependencies.
     // See https://github.com/rust-lang/rustfmt/issues/5675
-    // This will prepend the `LD_LIBRARY_PATH` for the master rustfmt binary
+    // This will prepend the `LD_LIBRARY_PATH` for the main rustfmt binary
     let ld_lib_path = get_ld_library_path(&dir)?;
 
     info!("Building rustfmt from source");
@@ -348,7 +348,7 @@ pub fn build_rustfmt_from_src(
 }
 
 // Compiles and produces two rustfmt binaries.
-// One for the current master, and another for the feature branch
+// One for the current main branch, and another for the feature branch
 // Parameters:
 // dest: Directory where rustfmt will be cloned
 pub fn compile_rustfmt(

check_diff/src/main.rs

@@ -6,7 +6,7 @@ use tracing::info;
 /// Inputs for the check_diff script
 #[derive(Parser)]
 struct CliInputs {
-    /// Git url of a rustfmt fork to compare against the latest master rustfmt
+    /// Git url of a rustfmt fork to compare against the latest main rustfmt
     remote_repo_url: String,
     /// Name of the feature branch on the forked repo
     feature_branch: String,

ci/check_diff.sh

@@ -59,17 +59,17 @@ function create_diff() {
     done
 }
 
-# Run the master rustfmt binary and the feature branch binary in the current directory and compare the diffs
+# Run the main rustfmt binary and the feature branch binary in the current directory and compare the diffs
 #
 # Parameters
 # $1: Name of the repository (used for logging)
 #
 # Globals:
-# $RUSFMT_BIN: Path to the rustfmt master binary. Created when running `compile_rustfmt`
+# $RUSFMT_BIN: Path to the rustfmt main binary. Created when running `compile_rustfmt`
 # $FEATURE_BIN: Path to the rustfmt feature binary. Created when running `compile_rustfmt`
 # $OPTIONAL_RUSTFMT_CONFIGS: Optional configs passed to the script from $4
 function check_diff() {
-    echo "running rustfmt (master) on $1"
+    echo "running rustfmt (main) on $1"
     create_diff $RUSFMT_BIN rustfmt_diff.txt
 
     echo "running rustfmt (feature) on $1"
@@ -96,7 +96,7 @@ function check_diff() {
 }
 
 # Compiles and produces two rustfmt binaries.
-# One for the current master, and another for the feature branch
+# One for the current main branch, and another for the feature branch
 #
 # Parameters:
 # $1: Directory where rustfmt will be cloned
@@ -116,7 +116,7 @@ function compile_rustfmt() {
 
     # Because we're building standalone binaries we need to set `LD_LIBRARY_PATH` so each
     # binary can find it's runtime dependencies. See https://github.com/rust-lang/rustfmt/issues/5675
-    # This will prepend the `LD_LIBRARY_PATH` for the master rustfmt binary
+    # This will prepend the `LD_LIBRARY_PATH` for the main rustfmt binary
     export LD_LIBRARY_PATH=$(rustc --print sysroot)/lib:$LD_LIBRARY_PATH
 
     echo "Building rustfmt from src"
@@ -171,7 +171,7 @@ function check_repo() {
 
 
     # rustfmt --check returns 1 if a diff was found
-    # Also check_diff returns 1 if there was a diff between master rustfmt and the feature branch
+    # Also check_diff returns 1 if there was a diff between main rustfmt and the feature branch
     # so we want to ignore the exit status check
     set +e
     check_diff $REPO_NAME

docs/index.html

@@ -114,11 +114,11 @@
             const searchTerm = null !== searchParam ? searchParam : '';
             const versionParam = queryParams.get('version');
             const parseVersionParam = (version) => {
-              if (version === 'master') return 'master';
+              if (version === 'main') return 'main';
               if (version.startsWith('v')) return version;
               return `v${version}`;
             };
-            const versionNumber = null !== versionParam ? parseVersionParam(versionParam) : 'master';
+            const versionNumber = null !== versionParam ? parseVersionParam(versionParam) : 'main';
             new Vue({
               el: '#app',
               data: {
@@ -129,7 +129,7 @@
                 shouldStable: false,
                 viewVersion: versionNumber,
                 oldViewVersion: undefined,
-                versionOptions: ['master'],
+                versionOptions: ['main'],
                 scrolledOnce: false,
               },
               asyncComputed: {

src/closures.rs

@@ -483,7 +483,7 @@ fn is_block_closure_forced_inner(expr: &ast::Expr, style_edition: StyleEdition)
 ///     if true {...} else {...}
 ///      |x| 5
 /// isn't parsed as (if true {...} else {...} | x) | 5
-// From https://github.com/rust-lang/rust/blob/master/src/libsyntax/parse/classify.rs.
+// From https://github.com/rust-lang/rust/blob/HEAD/src/libsyntax/parse/classify.rs.
 fn expr_requires_semi_to_be_stmt(e: &ast::Expr) -> bool {
     match e.kind {
         ast::ExprKind::If(..)