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Added a comment: a script to hide history

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yarikoptic 2024-02-15 22:05:12 +00:00 committed by admin
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[[!comment format=mdwn
username="yarikoptic"
avatar="http://cdn.libravatar.org/avatar/f11e9c84cb18d26a1748c33b48c924b4"
subject="a script to hide history"
date="2024-02-15T22:05:12Z"
content="""
Here is a script I crafted to use to make it easy and reuse current tree object for new \"squashed history\" commit
```bash
#!/bin/bash
#
# A helper to establish an alternative history to hide commits which could have
# leaked personal data etc.
#
# More information on motivation etc and another implementation could be
# found at https://git-annex.branchable.com/tips/redacting_history_by_converting_git_files_to_annexed/
#
set -eu
BRANCH=$(git rev-parse --abbrev-ref HEAD)
: \"${SECRET_BRANCH:=unredacted-$BRANCH}\"
SAFE_BASE=\"$1\"
git branch \"${SECRET_BRANCH}\"
rm -f .git/COMBINED_COMMIT_MESSAGE
echo -e \"Combined commits to hide away sensitive data\n\" >> .git/COMBINED_COMMIT_MESSAGE
git log --format=%B \"$SAFE_BASE..HEAD\" >> .git/COMBINED_COMMIT_MESSAGE
# the tree we are on ATM
TREE_HASH=$(git log -1 --format=%T HEAD)
NEW_COMMIT=$(git commit-tree $TREE_HASH -p \"$SAFE_BASE\" -F .git/COMBINED_COMMIT_MESSAGE)
rm -f .git/COMBINED_COMMIT_MESSAGE
git reset --hard $NEW_COMMIT
git replace \"$BRANCH\" \"$SECRET_BRANCH\"
```
"""]]