150k refs consume about 10MB, git handles resolving them very quickly, too.
Unified · Split
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| 1 | +#!/bin/bash | |
| 2 | +set -eu -o pipefail | |
| 3 | + | |
| 4 | +git init -q | |
| 5 | +git config commit.gpgsign false | |
| 6 | + | |
| 7 | +git checkout -q -b main | |
| 8 | +git commit -q --allow-empty -m c1 | |
| 9 | + | |
| 10 | +current_commit="$(git rev-parse HEAD)" | |
| 11 | + | |
| 12 | +for level in $(seq -w 1000); do | |
| 13 | + mkdir -p .git/refs/heads/"$level" | |
| 14 | + for refname in $(seq 150); do | |
| 15 | + echo "$current_commit" > .git/refs/heads/"$level"/$refname | |
| 16 | + done | |
| 17 | +done | |
| 18 | + | |
| 19 | +git tag t1 | |
| 20 | +git tag dt1 | |
| 21 | + | |
| 22 | +git pack-refs --all | |