Change default branch to main across repository (#2514)

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

hack/Releasing.md

@@ -55,11 +55,11 @@ Fix the build if it is not green. DON'T proceed unless build is GREEN!
 
 6. Push this release-x.y.z branch to remote repo. Create a PR and wait for CI passed.
 
-7. Now manually merge the release-x.y.z branch into master branch with Git command to prevent the commit SHA from being changed.
+7. Now manually merge the release-x.y.z branch into main branch with Git command to prevent the commit SHA from being changed.
 
-    `git checkout master && git merge --ff-only release-<VERSION>`
+    `git checkout main && git merge --ff-only release-<VERSION>`
 
-8. Test build from master branch for sanity check and make sure the master build is green
+8. Test build from main branch for sanity check and make sure the main build is green
 
 ## Updating [Fission Charts](https://github.com/fission/fission-charts)
 
@@ -80,7 +80,7 @@ Before you save the release - UNCHECK the "This is a pre-release" checkbox. This
 
 1. Documentation Update
 
-a. Merge documentation PRs that are peer reviewed and get latest master locally.
+a. Merge documentation PRs that are peer reviewed and get latest main locally.
 
 b. In the repo fission/fission.io change version in version.sh file to latest version (x.y.z) and run build.sh script
 

hack/notes.md

@@ -1,2 +1,2 @@
 Install Guide: https://fission.io/docs/installation/
-Full Changelog: https://github.com/fission/fission/blob/master/CHANGELOG.md
+Full Changelog: https://github.com/fission/fission/blob/main/CHANGELOG.md

hack/release.sh

@@ -22,8 +22,8 @@ check_commands() {
 # Ensure we're on the master branch
 check_branch() {
     curr_branch=$(git rev-parse --abbrev-ref HEAD)
-    if [ "$curr_branch" != "master" ]; then
-        echo "Not on master branch."
+    if [ "$curr_branch" != "main" ]; then
+        echo "Not on main branch."
         exit 1
     fi
     echo "check_branch == PASSED"