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History Rewrite Risk Model (EN)

This detail document describes example 26-history-rewrite-risk-model. Focus: History Rewrite, Secret-Entfernung und Teamkoordination.

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History Rewrite Risk Model (EN)

This detail document describes example 26-history-rewrite-risk-model. Focus: History Rewrite, Secret-Entfernung und Teamkoordination.

Learning Goals

  • Name Git states before changing anything.
  • Separate working tree, index, commit graph and references.
  • Distinguish local lab execution from team or remote impact.
  • Store evidence in a traceable way.
  • Document recovery and boundaries.
01 / 07

Flow

  1. Open the files in the example directory.
  2. Read commands.sh before executing commands blindly.
  3. Run ./run.sh and inspect work/evidence/.
  4. Compare log-graph.txt, status.txt, reflog.txt and branch-vv.txt.
  5. Explain what would need a different decision in a real team repository.
02 / 07

Expected Observations

  • Observation 01: Check History Rewrite, Secret-Entfernung und Teamkoordination and record which Git command makes the observation reliable.
  • Observation 02: Check Working tree and record which Git command makes the observation reliable.
  • Observation 03: Check Index and record which Git command makes the observation reliable.
  • Observation 04: Check Commit graph and record which Git command makes the observation reliable.
  • Observation 05: Check Branch and record which Git command makes the observation reliable.
  • Observation 06: Check Remote and record which Git command makes the observation reliable.
  • Observation 07: Check Reflog and record which Git command makes the observation reliable.
  • Observation 08: Check Conflict resolution and record which Git command makes the observation reliable.
  • Observation 09: Check History Rewrite, Secret-Entfernung und Teamkoordination and record which Git command makes the observation reliable.
  • Observation 10: Check Working tree and record which Git command makes the observation reliable.
  • Observation 11: Check Index and record which Git command makes the observation reliable.
  • Observation 12: Check Commit graph and record which Git command makes the observation reliable.
  • Observation 13: Check Branch and record which Git command makes the observation reliable.
  • Observation 14: Check Remote and record which Git command makes the observation reliable.
  • Observation 15: Check Reflog and record which Git command makes the observation reliable.
  • Observation 16: Check Conflict resolution and record which Git command makes the observation reliable.
  • Observation 17: Check History Rewrite, Secret-Entfernung und Teamkoordination and record which Git command makes the observation reliable.
  • Observation 18: Check Working tree and record which Git command makes the observation reliable.
  • Observation 19: Check Index and record which Git command makes the observation reliable.
  • Observation 20: Check Commit graph and record which Git command makes the observation reliable.
  • Observation 21: Check Branch and record which Git command makes the observation reliable.
  • Observation 22: Check Remote and record which Git command makes the observation reliable.
  • Observation 23: Check Reflog and record which Git command makes the observation reliable.
  • Observation 24: Check Conflict resolution and record which Git command makes the observation reliable.
  • Observation 25: Check History Rewrite, Secret-Entfernung und Teamkoordination and record which Git command makes the observation reliable.
  • Observation 26: Check Working tree and record which Git command makes the observation reliable.
  • Observation 27: Check Index and record which Git command makes the observation reliable.
  • Observation 28: Check Commit graph and record which Git command makes the observation reliable.
  • Observation 29: Check Branch and record which Git command makes the observation reliable.
  • Observation 30: Check Remote and record which Git command makes the observation reliable.
  • Observation 31: Check Reflog and record which Git command makes the observation reliable.
  • Observation 32: Check Conflict resolution and record which Git command makes the observation reliable.
  • Observation 33: Check History Rewrite, Secret-Entfernung und Teamkoordination and record which Git command makes the observation reliable.
  • Observation 34: Check Working tree and record which Git command makes the observation reliable.
  • Observation 35: Check Index and record which Git command makes the observation reliable.
  • Observation 36: Check Commit graph and record which Git command makes the observation reliable.
  • Observation 37: Check Branch and record which Git command makes the observation reliable.
  • Observation 38: Check Remote and record which Git command makes the observation reliable.
  • Observation 39: Check Reflog and record which Git command makes the observation reliable.
  • Observation 40: Check Conflict resolution and record which Git command makes the observation reliable.
  • Observation 41: Check History Rewrite, Secret-Entfernung und Teamkoordination and record which Git command makes the observation reliable.
  • Observation 42: Check Working tree and record which Git command makes the observation reliable.
  • Observation 43: Check Index and record which Git command makes the observation reliable.
  • Observation 44: Check Commit graph and record which Git command makes the observation reliable.
  • Observation 45: Check Branch and record which Git command makes the observation reliable.
  • Observation 46: Check Remote and record which Git command makes the observation reliable.
  • Observation 47: Check Reflog and record which Git command makes the observation reliable.
  • Observation 48: Check Conflict resolution and record which Git command makes the observation reliable.
  • Observation 49: Check History Rewrite, Secret-Entfernung und Teamkoordination and record which Git command makes the observation reliable.
  • Observation 50: Check Working tree and record which Git command makes the observation reliable.
  • Observation 51: Check Index and record which Git command makes the observation reliable.
  • Observation 52: Check Commit graph and record which Git command makes the observation reliable.
  • Observation 53: Check Branch and record which Git command makes the observation reliable.
  • Observation 54: Check Remote and record which Git command makes the observation reliable.
  • Observation 55: Check Reflog and record which Git command makes the observation reliable.
  • Observation 56: Check Conflict resolution and record which Git command makes the observation reliable.
  • Observation 57: Check History Rewrite, Secret-Entfernung und Teamkoordination and record which Git command makes the observation reliable.
03 / 07

Review Checklist for Example History Rewrite Risk Model

  • 01. document context and desired state: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 02. explain index state: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 03. read the commit graph: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 04. assess diff and patch: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 05. check remote relationship: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 06. isolate conflict cause: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 07. use reflog as recovery path: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 08. name history rewrite risk: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 09. assess credential impact: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 10. describe signature or hook boundary: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 11. write down rollback or recovery path: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 12. state a team rule: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 13. document context and desired state: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 14. explain index state: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 15. read the commit graph: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 16. assess diff and patch: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 17. check remote relationship: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 18. isolate conflict cause: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 19. use reflog as recovery path: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 20. name history rewrite risk: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 21. assess credential impact: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 22. describe signature or hook boundary: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 23. write down rollback or recovery path: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 24. state a team rule: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 25. document context and desired state: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 26. explain index state: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 27. read the commit graph: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 28. assess diff and patch: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 29. check remote relationship: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 30. isolate conflict cause: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 31. use reflog as recovery path: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 32. name history rewrite risk: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 33. assess credential impact: record which Git reference, commit, index state or remote is affected and how you prove the state.
  • 34. describe signature or hook boundary: record which Git reference, commit, index state or remote is affected and how you prove the state.
04 / 07

Practice Appendix: Example History Rewrite Risk Model

This appendix provides a backlog for longer trainings, reviews and repetition. Each task is small enough to reproduce in a local lab repository.

A001. History Rewrite, Secret-Entfernung und Teamkoordination

  • Task: document context and desired state and explicitly relate the observation to History Rewrite, Secret-Entfernung und Teamkoordination.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A002. Git CLI

  • Task: explain index state and explicitly relate the observation to Git CLI.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A003. Repository

  • Task: read the commit graph and explicitly relate the observation to Repository.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A004. Index

  • Task: assess diff and patch and explicitly relate the observation to Index.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A005. Remote

  • Task: check remote relationship and explicitly relate the observation to Remote.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A006. Credential

  • Task: isolate conflict cause and explicitly relate the observation to Credential.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A007. Recovery

  • Task: use reflog as recovery path and explicitly relate the observation to Recovery.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A008. History Rewrite, Secret-Entfernung und Teamkoordination

  • Task: name history rewrite risk and explicitly relate the observation to History Rewrite, Secret-Entfernung und Teamkoordination.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A009. Git CLI

  • Task: assess credential impact and explicitly relate the observation to Git CLI.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A010. Repository

  • Task: describe signature or hook boundary and explicitly relate the observation to Repository.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A011. Index

  • Task: write down rollback or recovery path and explicitly relate the observation to Index.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A012. Remote

  • Task: state a team rule and explicitly relate the observation to Remote.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A013. Credential

  • Task: document context and desired state and explicitly relate the observation to Credential.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A014. Recovery

  • Task: explain index state and explicitly relate the observation to Recovery.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A015. History Rewrite, Secret-Entfernung und Teamkoordination

  • Task: read the commit graph and explicitly relate the observation to History Rewrite, Secret-Entfernung und Teamkoordination.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A016. Git CLI

  • Task: assess diff and patch and explicitly relate the observation to Git CLI.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A017. Repository

  • Task: check remote relationship and explicitly relate the observation to Repository.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A018. Index

  • Task: isolate conflict cause and explicitly relate the observation to Index.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A019. Remote

  • Task: use reflog as recovery path and explicitly relate the observation to Remote.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A020. Credential

  • Task: name history rewrite risk and explicitly relate the observation to Credential.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A021. Recovery

  • Task: assess credential impact and explicitly relate the observation to Recovery.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A022. History Rewrite, Secret-Entfernung und Teamkoordination

  • Task: describe signature or hook boundary and explicitly relate the observation to History Rewrite, Secret-Entfernung und Teamkoordination.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A023. Git CLI

  • Task: write down rollback or recovery path and explicitly relate the observation to Git CLI.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A024. Repository

  • Task: state a team rule and explicitly relate the observation to Repository.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A025. Index

  • Task: document context and desired state and explicitly relate the observation to Index.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A026. Remote

  • Task: explain index state and explicitly relate the observation to Remote.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A027. Credential

  • Task: read the commit graph and explicitly relate the observation to Credential.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A028. Recovery

  • Task: assess diff and patch and explicitly relate the observation to Recovery.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A029. History Rewrite, Secret-Entfernung und Teamkoordination

  • Task: check remote relationship and explicitly relate the observation to History Rewrite, Secret-Entfernung und Teamkoordination.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A030. Git CLI

  • Task: isolate conflict cause and explicitly relate the observation to Git CLI.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A031. Repository

  • Task: use reflog as recovery path and explicitly relate the observation to Repository.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A032. Index

  • Task: name history rewrite risk and explicitly relate the observation to Index.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A033. Remote

  • Task: assess credential impact and explicitly relate the observation to Remote.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A034. Credential

  • Task: describe signature or hook boundary and explicitly relate the observation to Credential.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A035. Recovery

  • Task: write down rollback or recovery path and explicitly relate the observation to Recovery.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A036. History Rewrite, Secret-Entfernung und Teamkoordination

  • Task: state a team rule and explicitly relate the observation to History Rewrite, Secret-Entfernung und Teamkoordination.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A037. Git CLI

  • Task: document context and desired state and explicitly relate the observation to Git CLI.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A038. Repository

  • Task: explain index state and explicitly relate the observation to Repository.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A039. Index

  • Task: read the commit graph and explicitly relate the observation to Index.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A040. Remote

  • Task: assess diff and patch and explicitly relate the observation to Remote.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A041. Credential

  • Task: check remote relationship and explicitly relate the observation to Credential.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A042. Recovery

  • Task: isolate conflict cause and explicitly relate the observation to Recovery.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A043. History Rewrite, Secret-Entfernung und Teamkoordination

  • Task: use reflog as recovery path and explicitly relate the observation to History Rewrite, Secret-Entfernung und Teamkoordination.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A044. Git CLI

  • Task: name history rewrite risk and explicitly relate the observation to Git CLI.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A045. Repository

  • Task: assess credential impact and explicitly relate the observation to Repository.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A046. Index

  • Task: describe signature or hook boundary and explicitly relate the observation to Index.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A047. Remote

  • Task: write down rollback or recovery path and explicitly relate the observation to Remote.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.

A048. Credential

  • Task: state a team rule and explicitly relate the observation to Credential.
  • Evidence: Write down at least one Git command, one expected result and one limit of that evidence.
  • Team question: What coordination is required before this change lands in a shared branch?
  • Security question: Which credentials, signatures, hooks or confidential files could be affected?
  • Recovery: Explain whether reflog, restore, reset, revert, merge --abort, rebase --abort or a backup is the right path.
05 / 07

Official Sources and Scope

The material is aligned with public Git documentation. GitHub, GitLab, Forgejo and other hosting platforms are mentioned only where they explain common Git workflows; they are not the same thing as Git itself.

  • Git Reference: https://git-scm.com/docs
  • Git Manual: https://git-scm.com/docs/git
  • Pro Git Book: https://git-scm.com/book/en/v2
  • git-submodule: https://git-scm.com/docs/git-submodule
  • gitcredentials: https://git-scm.com/docs/gitcredentials
  • git-credential-store: https://git-scm.com/docs/git-credential-store
  • GitHub Certifications: https://docs.github.com/en/get-started/showcase-your-expertise-with-github-certifications/about-github-certifications
  • GitHub Foundations on Microsoft Learn: https://learn.microsoft.com/en-us/credentials/certifications/github-foundations/
06 / 07

Additional Review Drills

Use these drills when the primary task is complete and the learner needs another pass over operational reasoning. They are intentionally evidence-oriented and can be answered in a local lab repository.

Drill 01: working tree

  • State which Git state or reference is affected by working tree.
  • Name one command that produces evidence and one field or line in the output that matters.
  • Explain what can be concluded from that evidence and what cannot be concluded from it.
  • Describe the safest recovery path for a shared training repository.

Drill 02: index

  • State which Git state or reference is affected by index.
  • Name one command that produces evidence and one field or line in the output that matters.
  • Explain what can be concluded from that evidence and what cannot be concluded from it.
  • Describe the safest recovery path for a shared training repository.

Drill 03: commit graph

  • State which Git state or reference is affected by commit graph.
  • Name one command that produces evidence and one field or line in the output that matters.
  • Explain what can be concluded from that evidence and what cannot be concluded from it.
  • Describe the safest recovery path for a shared training repository.

Drill 04: branch reference

  • State which Git state or reference is affected by branch reference.
  • Name one command that produces evidence and one field or line in the output that matters.
  • Explain what can be concluded from that evidence and what cannot be concluded from it.
  • Describe the safest recovery path for a shared training repository.

Drill 05: remote-tracking branch

  • State which Git state or reference is affected by remote-tracking branch.
  • Name one command that produces evidence and one field or line in the output that matters.
  • Explain what can be concluded from that evidence and what cannot be concluded from it.
  • Describe the safest recovery path for a shared training repository.

Drill 06: reflog

  • State which Git state or reference is affected by reflog.
  • Name one command that produces evidence and one field or line in the output that matters.
  • Explain what can be concluded from that evidence and what cannot be concluded from it.
  • Describe the safest recovery path for a shared training repository.

Drill 07: credential helper

  • State which Git state or reference is affected by credential helper.
  • Name one command that produces evidence and one field or line in the output that matters.
  • Explain what can be concluded from that evidence and what cannot be concluded from it.
  • Describe the safest recovery path for a shared training repository.

Drill 08: signature

  • State which Git state or reference is affected by signature.
  • Name one command that produces evidence and one field or line in the output that matters.
  • Explain what can be concluded from that evidence and what cannot be concluded from it.
  • Describe the safest recovery path for a shared training repository.

Drill 09: hook

  • State which Git state or reference is affected by hook.
  • Name one command that produces evidence and one field or line in the output that matters.
  • Explain what can be concluded from that evidence and what cannot be concluded from it.
  • Describe the safest recovery path for a shared training repository.

Drill 10: submodule

  • State which Git state or reference is affected by submodule.
  • Name one command that produces evidence and one field or line in the output that matters.
  • Explain what can be concluded from that evidence and what cannot be concluded from it.
  • Describe the safest recovery path for a shared training repository.

Drill 11: tag

  • State which Git state or reference is affected by tag.
  • Name one command that produces evidence and one field or line in the output that matters.
  • Explain what can be concluded from that evidence and what cannot be concluded from it.
  • Describe the safest recovery path for a shared training repository.

Drill 12: recovery

  • State which Git state or reference is affected by recovery.
  • Name one command that produces evidence and one field or line in the output that matters.
  • Explain what can be concluded from that evidence and what cannot be concluded from it.
  • Describe the safest recovery path for a shared training repository.

Drill 13: working tree

  • State which Git state or reference is affected by working tree.
  • Name one command that produces evidence and one field or line in the output that matters.
  • Explain what can be concluded from that evidence and what cannot be concluded from it.
  • Describe the safest recovery path for a shared training repository.

Drill 14: index

  • State which Git state or reference is affected by index.
  • Name one command that produces evidence and one field or line in the output that matters.
  • Explain what can be concluded from that evidence and what cannot be concluded from it.
  • Describe the safest recovery path for a shared training repository.

Drill 15: commit graph

  • State which Git state or reference is affected by commit graph.
  • Name one command that produces evidence and one field or line in the output that matters.
  • Explain what can be concluded from that evidence and what cannot be concluded from it.
  • Describe the safest recovery path for a shared training repository.

Drill 16: branch reference

  • State which Git state or reference is affected by branch reference.
  • Name one command that produces evidence and one field or line in the output that matters.
  • Explain what can be concluded from that evidence and what cannot be concluded from it.
  • Describe the safest recovery path for a shared training repository.
07 / 07

GIT · Orthevs Academy

31 Module als durchgängiger Lernpfad.

Die Reihenfolge bleibt unverändert: von der Laborgrundstruktur über fachliche Grundlagen und Betriebsmodelle bis zum abschließenden Troubleshooting. Die technischen Verzeichnisnamen werden bewusst beibehalten.

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