Rename main branch (#251)

Author: dey4ss

.github/workflows/ci.yml

@@ -4,7 +4,7 @@ on:
   pull_request:
   push:
     branches:
-      - master
+      - main
 
 jobs:
   build:
@@ -57,7 +57,7 @@ jobs:
         # Node.js version. Thus, we have to checkout the code manually.
         # Doing so is a bit tricky when it comes to PRs from forks (see #249 for details). The general idea here is that
         # we access Github's context information for the event triggering the action's execution and use some details on
-        # the PR's HEAD if given. Otherwise (for executions due to master updates), we still use the provided
+        # the PR's HEAD if given. Otherwise (for executions due to main branch updates), we still use the provided
         # environment variables.
         run: |
           apt-get update

README.md

@@ -1,6 +1,6 @@
 C++ SQL Parser
 =========================
-[![Build Status](https://github.com/hyrise/sql-parser/actions/workflows/ci.yml/badge.svg?branch=master)](https://github.com/hyrise/sql-parser/actions?query=branch%3Amaster)
+[![Build Status](https://github.com/hyrise/sql-parser/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/hyrise/sql-parser/actions?query=branch%3Amain)
 
 
 This is a SQL Parser for C++. It parses the given SQL query into C++ objects.
@@ -20,7 +20,7 @@ To use the SQL parser in your own projects you simply have to follow these few s
  3. *(Optional, Recommended)* Run `make install` to copy the library to `/usr/local/lib/`
  4. Run the tests `make test` to make sure everything worked
  5. Include the `SQLParser.h` from `src/` (or from `/usr/local/lib/hsql/` if you installed it) and link the library in your project
- 6. Take a look at the [example project here](https://github.com/hyrise/sql-parser/tree/master/example)
+ 6. Take a look at the [example project here](https://github.com/hyrise/sql-parser/tree/main/example)
 
 ```cpp
 #include "hsql/SQLParser.h"

format.sh

@@ -19,6 +19,6 @@ elif [ "$1" = "staged" ]; then
     # Run on all files that are staged to be committed.
     git diff --diff-filter=d --cached --name-only | grep -E "$source_regex" | xargs -I{} sh -c "${format_cmd}"
 else
-    # Run on all changed as well as untracked cpp/hpp files, as compared to the current master. Skip deleted files.
-    { git diff --diff-filter=d --name-only master & git ls-files --others --exclude-standard; } | grep -E "$source_regex" | xargs -I{} sh -c "${format_cmd}"
+    # Run on all changed as well as untracked cpp/hpp files, as compared to the current main. Skip deleted files.
+    { git diff --diff-filter=d --name-only main & git ls-files --others --exclude-standard; } | grep -E "$source_regex" | xargs -I{} sh -c "${format_cmd}"
 fi