64 lines
2.3 KiB
Bash
Executable file
64 lines
2.3 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Copyright (c) 2026 Sven van Heugten
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#
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# Repository: https://codeberg.org/svenvanheugten/git-check-assertions
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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set -euo pipefail
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assert_fails() {
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! "$@" || { echo "Expected command to fail, but it succeeded."; exit 1; }
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}
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export -f assert_fails
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orig_ref="$(git symbolic-ref --quiet --short HEAD || git rev-parse HEAD)"
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base="$(git merge-base main HEAD)"
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mapfile -t commits < <(git rev-list --reverse "${base}..HEAD")
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echo "Base: $base"
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echo "Commits to visit: ${#commits[@]}"
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echo
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for commit_hash in "${commits[@]}"; do
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echo "Checking out $commit_hash"
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git -c advice.detachedHead=false checkout -q "$commit_hash"
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commit_msg="$(git log -1 --format=%B "$commit_hash")"
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# shellcheck disable=SC2016
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block="$(printf '%s\n' "$commit_msg" \
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| sed -n '/^```git-check-assertions[[:space:]]*$/,/^```[[:space:]]*$/p' \
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| sed '1d;$d')"
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if [ -n "$block" ]; then
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echo "git-check-assertions block in $commit_hash:"
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printf '%s\n' "$block" | sed 's/^/> /'
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if ! bash -euo pipefail -c "$block"; then
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echo "git-check-assertions block failed in $commit_hash" >&2
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echo "Returning to $orig_ref"
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git checkout -q "$orig_ref"
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exit 1
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fi
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git restore -q .
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fi
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echo
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done
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echo
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echo "Returning to $orig_ref"
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git checkout -q "$orig_ref"
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