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Rename "intro" to "high-level" and "internals" to "low-level"

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This commit is contained in:
Sebastian Morr 2020-10-12 19:00:32 +02:00
parent 09c54bfbdd
commit 79d89de5e7
27 changed files with 0 additions and 0 deletions
levels/low-level
ref-move

41
levels/low-level/ref-move Normal file
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[description]
You can point refs to a new location using the same command you use to create them:
git update-ref refs/<refname> <object>
As an exercise, make all refs in this repository point to the tree object!
[setup]
echo hello > hello
echo world > world
BLOB1=$(git hash-object -w hello)
BLOB2=$(git hash-object -w world)
git add .
TREE=$(git write-tree)
COMMIT=$(git commit-tree $TREE -m "Initial commit")
git update-ref refs/a "$BLOB1"
git update-ref refs/b "$COMMIT"
[setup goal]
echo hello > hello
echo world > world
BLOB1=$(git hash-object -w hello)
BLOB2=$(git hash-object -w world)
git add .
TREE=$(git write-tree)
COMMIT=$(git commit-tree $TREE -m "Initial commit")
git update-ref refs/a "$BLOB1"
git update-ref refs/b "$COMMIT"
for REF in $(git for-each-ref --format='%(refname)'); do
git update-ref "$REF" "$TREE"
done
[win]
test "$(git show-ref -s | sort -u)" = "c7863f72467ed8dd44f4b8ffdb8b57ca7d91dc9e"