: GitBench
Rebase squashes commits - find original commits before squash
Tests ability to find original commits before a squash rebase using reflog. Evaluates reflog for pre-rebase state recovery.

These commands set up the repo before the model sees the prompt. They define the starting file structure, staged changes, and Git history.

  1. 01 git init
  2. 02 git config user.email 'test@test.com'
  3. 03 git config user.name 'Test User'
  4. 04 echo 'v1' > version.txt
  5. 05 git add version.txt
  6. 06 git commit -m 'Set version v1'
  7. 07 git checkout -b develop
  8. 08 echo 'feat-a' > feature.txt
  9. 09 git add feature.txt
  10. 10 git commit -m 'Add feature A'
  11. 11 echo 'feat-b' > feature.txt
  12. 12 git add feature.txt
  13. 13 git commit -m 'Add feature B - user dashboard'
  14. 14 git checkout main
  15. 15 git rebase develop
Prompt
After rebasing 'develop' onto 'main', you lost the intermediate commits 'Add feature A' and 'Add feature B - user dashboard'. They were squashed. Use git reflog to find the original commit hash of the commit with 'user dashboard' in the message.
Expected
Add feature B - user dashboard
Loading campaign evidence…
deepseek/deepseek-v4-flash:high PASS 100% 320 in → 1,128 out (1,084 reasoning)
The original commit hash for "Add feature B - user dashboard" is `efb08f3a6237b427f6457ef099f21daa4a4c55a8`.
deepseek/deepseek-v4-flash:high__json_schema PASS 100% 321 in → 1,784 out (1,578 reasoning)
4c03c9def05ba1a8f31350e78ca5b76627c7abc4
JSON Schema Structured Output
(raw) { "ref": "4c03c9def05ba1a8f31350e78ca5b76627c7abc4" }
deepseek/deepseek-v4-flash:none PASS 100% 345 in → 35 out (0 reasoning)
{"action": "search", "commit_hash": "8273a3ac2a562fdd8c4ae23732105bc48b732b91"}
deepseek/deepseek-v4-flash:none__json_schema PASS 100% 322 in → 31 out (0 reasoning)
ed4fecf7bf30bbfae8d8691d9f029bec23d5b466
JSON Schema Structured Output
(raw) {"ref":"ed4fecf7bf30bbfae8d8691d9f029bec23d5b466"}
mistralai/devstral-2512 PASS 100% 403 in → 85 out
Based on the git reflog output, the original commit hash for the commit with "user dashboard" in the message is: `1ce057e54bc1a4d9149e9ed990209634095ca8a1` This is shown in `HEAD@{3}` with the commit message "Add feature B - user dashboard".
mistralai/devstral-2512__json_schema PASS 100% 402 in → 41 out
9c2cab1241f14ef3a346150c2dfc1ea5ed24d497
JSON Schema Structured Output
(raw) {"ref": "9c2cab1241f14ef3a346150c2dfc1ea5ed24d497"}
nvidia/nemotron-3-nano-30b-a3b:high PASS 100% 427 in → 859 out (122 reasoning)
**Step 1 – Locate the lost commit in the reflog** From the `git reflog` you posted we can see the entry that actually contains the commit with the message “Add feature B - user dashboard”: ``` 9e374aa0f8519494f0a6661d490ebc8d2e79819d HEAD@{3}: commit: Add feature B - user dashboard ``` The SHA‑1 printed there (`9e374aa0f8519494f0a6661d490ebc8d2e79819d`) is the **original commit hash** that holds the “user dashboard” work. **Step 2 – Recover the lost commits** Because the intermediate commits were squashed during the rebase, they are no longer reachable from any branch pointer, but they are still recorded in the reflog. You can recreate a branch that points to that commit (or even restore the whole sequence if you prefer). ```bash # Create a new branch pointing at the lost commit git checkout -b feature/user-dashboard 9e374aa0f8519494f0a6661d490ebc8d2e79819d # Verify that it contains what you need git log --oneline --decorate ``` If you also want to bring back the preceding commit (`Add feature A`), you can: ```bash # Move the branch back one commit to include both commits git checkout feature/user-dashboard^ ``` Now you have a branch that still has the two original commits in sequence. **Step 3 – (Optional) Restore them onto `develop` or `main`** If you still have a `develop` branch that reflects the state after the rebase but you want to keep these commits, you can merge or cherry‑pick them back: ```bash # Return to the branch you were working on (e.g., develop) git checkout develop # Either merge the whole sequence (fast‑forward if possible) git merge feature/user-dashboard # …or cherry‑pick the individual commits you need git cherry-pick 9e374aa0f8519494f0a6661d490ebc8d2e79819d # adds "Add feature B - user dashboard" git cherry-pick 9766fbc391ea8ba7c708252756f59298b11e2bb4 # adds "Add feature A" ``` **Summary** - The lost commit message “Add feature B - user dashboard” lives in the reflog under **`9e374aa0f8519494f0a6661d490ebc8d2e79819d`** (`HEAD@{3}`). - Use that SHA to recreate a branch or cherry‑pick it back into your current work. That’s the original hash you need to recover the “user dashboard” commit. Happy git‑hunting!
nvidia/nemotron-3-nano-30b-a3b:high__json_schema PASS 100% 402 in → 227 out (119 reasoning)
aca62bbea121b23389cceda7738024fa4fc7137e
JSON Schema Structured Output
(raw) { "ref": "aca62bbea121b23389cceda7738024fa4fc7137e" }
nvidia/nemotron-3-nano-30b-a3b:none PASS 100% 410 in → 790 out (0 reasoning)
To find the original commit hash for the feature with "user dashboard" in its message, use Git's reflog to locate the commit entry you see in the provided reflog output. Here's the exact command and reasoning: --- ### ✅ **Command to Execute:** ```bash git reflog | grep "user dashboard" ``` --- ### 🔍 **Why This Works:** 1. The reflog you provided shows **all** recent Git operations (rebases, checkouts, commits, etc.). 2. The line explicitly lists the commit with the message `Add feature B - user dashboard`: ``` a0f4ade658f7fabfa599f6d6c0d60e5919257cbf HEAD@{3}: commit: Add feature B - user dashboard ``` 3. This line confirms the commit hash `a0f4ade658f7fabfa599f6d6c0d60e5919257cbf` is associated with the message containing **"user dashboard"**. 4. **No other commit** in the reflog has "user dashboard" in its message — this is the only matching entry. --- ### 📌 **Verification from Your Reflog:** | Ref Value | Commit Message | |--------------------|----------------------------------------------------| | `HEAD@{3}` | `Add feature B - user dashboard` | | `HEAD@{2}` | `checkout: moving from develop to main` | | `HEAD@{4}` | `Add feature A` | **The commit hash you want is: `a0f4ade658f7fabfa599f6d6c0d60e5919257cbf`** --- ### ⚠️ **Important Notes:** - The reflog entry at `HEAD@{3}` is the **original commit** of `Add feature B - user dashboard` (before the rebase squashed it). - The commit hash `a0f4ade658f7fabfa599f6d6c0d60e5919257cbf` **is still valid** in your Git history (it’s listed in the reflog). - To confirm, you can inspect the commit directly: ```bash git show a0f4ade658f7fabfa599f6d6c0d60e5919257cbf ``` This will show the diff of the commit with "user dashboard" in its message. --- ### ❌ Common Pitfalls to Avoid: - **Don’t use `git log` or `git reflog --oneline` alone** — they won’t show the full context of the message (you need to filter for "user dashboard"). - **Don’t assume the commit hash is the same as the reflog entry’s hash** — the hash in the reflog (`a0f4ade6...`) is the **actual commit hash** you need. - The `"squash"` happened during the rebase, but the **original commit hash remains in the reflog** (it was never deleted). --- ### ✅ **Summary:** > **The original commit hash for "Add feature B - user dashboard" is `a0f4ade658f7fabfa599f6d6c0d60e5919257cbf`.** > **Run `git reflog | grep "user dashboard"` to confirm it.** This will directly output the line you need, and the hash at the start of that line is your answer.
nvidia/nemotron-3-nano-30b-a3b:none__json_schema PASS 100% 423 in → 13 out (0 reasoning)
HEAD@{3}
JSON Schema Structured Output
(raw) { "ref": "HEAD@{3}" }
poolside/laguna-xs.2:high PASS 100% 434 in → 245 out (138 reasoning)
Looking at the git reflog, I can see the commit with "user dashboard" in the message. The commit **Add feature B - user dashboard** has the hash: **ba8e41bbf52b9343fee49147b5fa3165c0b4aa32** This is shown at `HEAD@{3}` in your reflog output. You can use this commit hash to reference the original commit before the squash/rebase operation.
poolside/laguna-xs.2:high__json_schema PASS 100% 448 in → 805 out (463 reasoning)
1a3bc56d60f6b6c8420970fb3d54daeef75c2a0d HEAD@{0}: rebase (finish): returning to refs/heads/main 1a3bc56d60f6b6c8420970fb3d54daeef75c2a0d HEAD@{1}: rebase (start): checkout develop e2c903b989906df0b19d41f6898549a0242b9e0c HEAD@{2}: checkout: moving from develop to main 1a3bc56d60f6b6c8420970fb3d54daeef75c2a0d HEAD@{3}: commit: Add feature B - user dashboard efe0f1bbc929d2c6f8f85a5dfb10f869c1f0afa1 HEAD@{4}: commit: Add feature A e2c903b989906df0b19d41f6898549a0242b9e0c HEAD@{5}: checkout: moving from main to develop e2c903b989906df0b19d41f6898549a0242b9e0c HEAD@{6}: commit (initial): Set version v1
JSON Schema Structured Output
(raw) {"ref": "1a3bc56d60f6b6c8420970fb3d54daeef75c2a0d HEAD@{0}: rebase (finish): returning to refs/heads/main\n1a3bc56d60f6b6c8420970fb3d54daeef75c2a0d HEAD@{1}: rebase (start): checkout develop\ne2c903b989906df0b19d41f6898549a0242b9e0c HEAD@{2}: checkout: moving from develop to main\n1a3bc56d60f6b6c8420970fb3d54daeef75c2a0d HEAD@{3}: commit: Add feature B - user dashboard\nefe0f1bbc929d2c6f8f85a5dfb10f869c1f0afa1 HEAD@{4}: commit: Add feature A\ne2c903b989906df0b19d41f6898549a0242b9e0c HEAD@{5}: checkout: moving from main to develop\ne2c903b989906df0b19d41f6898549a0242b9e0c HEAD@{6}: commit (initial): Set version v1"}
poolside/laguna-xs.2:none PASS 100% 434 in → 149 out (0 reasoning)
Looking at the git reflog, I need to find the commit with 'user dashboard' in the message. From the reflog entries: - `HEAD@{3}: commit: Add feature B - user dashboard` The commit hash for the 'user dashboard' commit is: **122c07905bca0e3b644ccaf881bb55866efb1575** Note: This commit hash is the same as HEAD@{0} and HEAD@{1} because after the rebase, the branch was moved back to main, but the original commits before the rebase (including the user dashboard commit) were preserved at this hash location in the reflog.
poolside/laguna-xs.2:none__json_schema FAIL 0% 432 in → 42 out (0 reasoning)
527e71a770558ca7f4fc8d558d635d691fdf89c5
JSON Schema Structured Output
(raw) {"ref": "527e71a770558ca7f4fc8d558d635d691fdf89c5"}
Failure: Expected output to mention target hash prefix/full hash or matching HEAD@{n} selector for 'Add feature B - user dashboard'