- handle fork (#4178)

# Summary

- some sub-commands of detecting the original branch will not work in a
fork. Piping all to true

## Proof of Work

-
https://spruce.mongodb.com/task/ops_manager_kubernetes_run_pre_commit_run_precommit_and_push_patch_bcd12dc59be1fb83328262689e2b199cc2b08ceb_67ceb328658a1e000760d748_25_03_10_09_38_52/logs?execution=0
```
[2025/03/10 10:39:47.037] Fork: Could not determine the original branch. Running in a fork
```

## Checklist
- [ ] Have you linked a jira ticket and/or is the ticket in the title?
- [ ] Have you checked whether your jira ticket required DOCSP changes?
- [ ] Have you checked for release_note changes?

## Reminder (Please remove this when merging)
- Please try to Approve or Reject Changes the PR, keep PRs in review as
short as possible
- Our Short Guide for PRs:
[Link](https://docs.google.com/document/d/1T93KUtdvONq43vfTfUt8l92uo4e4SEEvFbIEKOxGr44/edit?tab=t.0)
- Remember the following Communication Standards - use comment prefixes
for clarity:
  * **blocking**: Must be addressed before approval.
  * **follow-up**: Can be addressed in a later PR or ticket.
  * **q**: Clarifying question.
  * **nit**: Non-blocking suggestions.
  * **note**: Side-note, non-actionable. Example: Praise
  * --> no prefix is considered a question

Author: nammn

scripts/evergreen/precommit_bump.sh

@@ -5,12 +5,13 @@ source scripts/dev/set_env_context.sh
 
 export GOLANGCI_LINT_CACHE="${HOME}/.cache/golangci-lint"
 
+ORIGINAL_BRANCH=""
 # Detect the original branch (same commit, but not the evg-pr-test-* branch which evg creates)
-ORIGINAL_BRANCH=$(git for-each-ref --format='%(refname:short) %(objectname)' refs/remotes/origin | grep "$(git rev-parse HEAD)" | grep -v "evg-pr-test-" | awk '{print $1}' | sed 's|^origin/||' | head -n 1)
+ORIGINAL_BRANCH=$(git for-each-ref --format='%(refname:short) %(objectname)' refs/remotes/origin | grep "$(git rev-parse HEAD)" | grep -v "evg-pr-test-" | awk '{print $1}' | sed 's|^origin/||' | head -n 1 || true)
 
 if [[ -z "${ORIGINAL_BRANCH}" ]]; then
-  echo "Error: Could not determine the original branch."
-  exit 1
+  echo "Fork: Could not determine the original branch. Running in a fork"
+  exit 0
 fi
 echo "Detected original branch: ${ORIGINAL_BRANCH}"