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chore: scratch proof workflow for custom clip speeds
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‎.github/workflows/custom-speed-proof.yml‎

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name: Custom speed proof (scratch)
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on:
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push:
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branches:
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- scratch/custom-speed-proof-ci
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permissions:
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contents: write
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jobs:
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proof:
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runs-on: blacksmith-6vcpu-macos-15
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timeout-minutes: 170
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env:
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CARGO_PROFILE_DEV_DEBUG: "0"
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TARGET: aarch64-apple-darwin
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steps:
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- uses: actions/checkout@v4
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with:
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fetch-depth: 0
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- name: Stage tools
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run: |
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mkdir -p "$RUNNER_TEMP/tools" "$RUNNER_TEMP/proof"
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cp proof/* "$RUNNER_TEMP/tools/"
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swiftc -O -o "$RUNNER_TEMP/tools/click" proof/click.swift
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swiftc -O -o "$RUNNER_TEMP/tools/winid" proof/winid.swift
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- uses: dtolnay/rust-toolchain@1.95.0
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with:
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targets: aarch64-apple-darwin
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- uses: ./.github/actions/setup-rust-cache
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with:
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target: aarch64-apple-darwin
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prefix-key: v1-rust-gpui
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save-cache: "false"
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workspaces: apps/desktop-gpui -> target
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- name: Run setup
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run: node scripts/setup.js
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env:
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RUST_TARGET_TRIPLE: aarch64-apple-darwin
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- name: Prepare GPUI dependency
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run: |
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node scripts/sync-desktop-versions.mjs
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./scripts/prepare-gpui-dependency.sh
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- name: Build app (branch)
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run: |
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cargo +1.95.0 build --manifest-path apps/desktop-gpui/Cargo.toml --locked --target $TARGET --bin cap-gpui
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for f in apps/desktop-gpui/target/$TARGET/debug/Frameworks apps/desktop-gpui/target/$TARGET/Frameworks; do
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mkdir -p $f
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ln -sfn "$GITHUB_WORKSPACE/target/Frameworks/Spacedrive.framework" $f/Spacedrive.framework
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done
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- name: Build CLI (branch)
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run: |
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cargo build -p cap --bin cap
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cp target/debug/cap "$RUNNER_TEMP/cap-branch"
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- name: Verify cases at 1.2x and the preset speeds (fixture + oracle)
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continue-on-error: true
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run: |
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CAP_VERIFY_FIXTURE_DIR="$RUNNER_TEMP/fx" CAP_VERIFY_TIER=fast \
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CAP_VERIFY_REPORT_DIR="$RUNNER_TEMP/proof/verify" \
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CAP_VERIFY_CASE='audio/*/speed-custom-all/*,audio/*/speeds-match/*,audio/*/speeds-muted/*' \
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cargo test -p cap-verify --test audio export_mp4 -- --nocapture 2>&1 | tee "$RUNNER_TEMP/proof/verify.log"
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- name: Build CLI (main)
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run: |
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branch=$(git rev-parse HEAD)
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git checkout --detach origin/main
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cargo build -p cap --bin cap
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cp target/debug/cap "$RUNNER_TEMP/cap-main"
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git checkout --detach "$branch"
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- name: Exports
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run: bash "$RUNNER_TEMP/tools/exports.sh"
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- name: Permissions
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run: |
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app="$GITHUB_WORKSPACE/apps/desktop-gpui/target/$TARGET/debug/cap-gpui"
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db="/Library/Application Support/com.apple.TCC/TCC.db"
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now=$(date +%s)
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for client in "$app" /bin/bash /bin/zsh /usr/libexec/sshd-keygen-wrapper /usr/sbin/sshd /usr/bin/osascript \
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/Users/runner/bin/Runner.Worker /Users/runner/bin/Runner.Listener "$RUNNER_TEMP/tools/click"; do
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for service in kTCCServiceScreenCapture kTCCServiceAccessibility kTCCServicePostEvent; do
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sudo sqlite3 "$db" "INSERT OR REPLACE INTO access (service,client,client_type,auth_value,auth_reason,auth_version,indirect_object_identifier,flags,last_modified) VALUES ('$service','$client',1,2,4,1,'UNUSED',0,$now);"
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done
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done
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sudo killall tccd || true
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sleep 2
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- name: Launch editor with the clip menu open
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run: |
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app="$GITHUB_WORKSPACE/apps/desktop-gpui/target/$TARGET/debug/cap-gpui"
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data="$RUNNER_TEMP/appdata"
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mkdir -p "$data/recordings" "$data/logs"
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printf '%s' '{"general_settings":{"hasCompletedOnboarding":true,"hasCompletedStartup":true,"enableNotifications":false,"enableTelemetry":false,"recordingCountdown":0}}' > "$data/store"
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caffeinate -u -t 5
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CAP_GPUI_APP_DATA_DIR="$data" CAP_GPUI_RECORDINGS_DIR="$data/recordings" CAP_GPUI_LOG_DIR="$data/logs" \
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CAP_GPUI_NO_TRAY=1 CAP_GPUI_MUTE_AUDIO=1 RUST_LOG=cap_gpui=info \
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CAP_GPUI_AUTO_EDITOR="$RUNNER_TEMP/gui.cap" CAP_GPUI_AUTO_CLIP_MENU=0:split \
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nohup "$app" > "$RUNNER_TEMP/proof/app.log" 2>&1 < /dev/null &
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sleep 40
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"$RUNNER_TEMP/tools/winid" cap-gpui | tee "$RUNNER_TEMP/proof/windows.txt"
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screencapture -x "$RUNNER_TEMP/proof/screen-01-menu.png" || true
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grep -E "clip menu opened|clip-speed|error" "$RUNNER_TEMP/proof/app.log" | head -20 || true
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- name: Command loop
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env:
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GH_TOKEN: ${{ github.token }}
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run: |
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(caffeinate -dimsu -t 7200 &)
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remote="https://x-access-token:${GH_TOKEN}@github.com/${GITHUB_REPOSITORY}.git"
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last=""
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for i in $(seq 1 400); do
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sha=$(git ls-remote "$remote" refs/heads/scratch/csp-cmd | cut -f1)
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if [ -n "$sha" ] && [ "$sha" != "$last" ]; then
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last=$sha
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git fetch -q "$remote" refs/heads/scratch/csp-cmd
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git show FETCH_HEAD:cmd.sh > "$RUNNER_TEMP/cmd.sh"
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grep -q '^# exit-loop' "$RUNNER_TEMP/cmd.sh" && break
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out="$RUNNER_TEMP/out-$i"
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mkdir -p "$out"
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OUT="$out" bash "$RUNNER_TEMP/cmd.sh" > "$out/cmd.log" 2>&1
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cp "$RUNNER_TEMP/proof/exports.txt" "$RUNNER_TEMP/proof/verify.log" "$out/" 2>/dev/null || true
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(cd "$out" && git init -q && git add -A && git -c user.name=ci -c user.email=ci@example.invalid commit -qm "out $i $sha" && git push -qf "$remote" HEAD:refs/heads/scratch/csp-out)
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echo "ran $sha -> out-$i"
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fi
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sleep 15
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done
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- name: Upload proof
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if: always()
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uses: actions/upload-artifact@v4
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with:
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name: custom-speed-proof
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path: ${{ runner.temp }}/proof
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retention-days: 7

‎proof/click.swift‎

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import CoreGraphics
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import Foundation
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// click.swift x y : moves the pointer to (x, y) in global points and left-clicks.
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let a = CommandLine.arguments
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let p = CGPoint(x: Double(a[1])!, y: Double(a[2])!)
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let src = CGEventSource(stateID: .hidSystemState)
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CGEvent(mouseEventSource: src, mouseType: .mouseMoved, mouseCursorPosition: p, mouseButton: .left)?.post(tap: .cghidEventTap)
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usleep(150_000)
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CGEvent(mouseEventSource: src, mouseType: .leftMouseDown, mouseCursorPosition: p, mouseButton: .left)?.post(tap: .cghidEventTap)
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usleep(60_000)
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CGEvent(mouseEventSource: src, mouseType: .leftMouseUp, mouseCursorPosition: p, mouseButton: .left)?.post(tap: .cghidEventTap)

‎proof/exports.sh‎

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#!/usr/bin/env bash
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set -uo pipefail
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out="$RUNNER_TEMP/proof"
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mkdir -p "$out"
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fx=$(ls -d "$RUNNER_TEMP"/fx/audio-mix-8s-*.cap | grep -v '\.tmp\.' | head -1)
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echo "fixture $fx"
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command -v ffprobe >/dev/null || brew install ffmpeg >/dev/null
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mk() {
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cp -R "$fx" "$RUNNER_TEMP/$1.cap"
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python3 "$RUNNER_TEMP/tools/set_timeline.py" "$RUNNER_TEMP/$1.cap" "$2"
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}
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mk presets '{"segments":[[0.3,2.0,1.0,null],[2.0,4.0,2.0,"maintainPitch"],[4.0,5.0,0.5,null],[5.0,7.0,1.5,"matchSpeed"],[7.0,7.8,4.0,"maintainPitch"]]}'
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mk custom '{"segments":[[0.3,3.4,1.2,"matchSpeed"],[3.4,5.0,1.2,"matchSpeed"],[5.5,7.8,1.2,"matchSpeed"]]}'
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mk custompitch '{"segments":[[0.3,3.4,1.2,"maintainPitch"],[3.4,5.0,1.2,"maintainPitch"],[5.5,7.8,1.2,"maintainPitch"]]}'
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mk gui '{"segments":[[0.0,7.9,1.0,null]],"zooms":[{"start":5.0,"end":6.5,"amount":1.5,"mode":"auto"}]}'
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report="$out/exports.txt"
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: > "$report"
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for p in presets custom custompitch; do
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for bin in main branch; do
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f="$out/$p-$bin.mp4"
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"$RUNNER_TEMP/cap-$bin" export "$RUNNER_TEMP/$p.cap" -o "$f" --fps 30 > "$out/$p-$bin.log" 2>&1 || { echo "EXPORT FAILED $p $bin"; tail -20 "$out/$p-$bin.log"; }
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[ -f "$f" ] || continue
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{
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echo "== $p $bin"
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ffprobe -v error -show_entries format=duration:stream=codec_type,duration,nb_frames -of compact "$f"
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ffmpeg -v error -i "$f" -map 0:v -f md5 - | sed 's/^/video /'
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ffmpeg -v error -i "$f" -map 0:a -f md5 - | sed 's/^/audio /'
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shasum -a 256 "$f" | cut -d' ' -f1 | sed 's/^/file /'
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} >> "$report"
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done
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if [ -f "$out/$p-main.mp4" ] && [ -f "$out/$p-branch.mp4" ]; then
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if cmp -s "$out/$p-main.mp4" "$out/$p-branch.mp4"; then
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echo "== $p main vs branch: BYTE-IDENTICAL" >> "$report"
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else
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echo "== $p main vs branch: bytes differ" >> "$report"
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fi
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fi
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done
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cat "$report"

‎proof/set_timeline.py‎

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import json
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import sys
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project, spec = sys.argv[1], json.loads(sys.argv[2])
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path = f"{project}/project-config.json"
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config = json.load(open(path))
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timeline = config.setdefault("timeline", {})
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segments = []
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for start, end, timescale, mode in spec["segments"]:
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segment = {"recordingSegment": 0, "start": start, "end": end, "timescale": timescale}
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if mode:
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segment["speedAudioMode"] = mode
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segments.append(segment)
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timeline["segments"] = segments
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timeline["zoomSegments"] = spec.get("zooms", [])
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json.dump(config, open(path, "w"), indent=2)

‎proof/winid.swift‎

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import CoreGraphics
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import Foundation
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// Prints "<id> <x> <y> <w> <h> <title>" for on-screen windows owned by a process whose name contains argv[1].
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let needle = CommandLine.arguments.dropFirst().first ?? "cap-gpui"
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let list = CGWindowListCopyWindowInfo([.optionOnScreenOnly], kCGNullWindowID) as? [[String: Any]] ?? []
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for w in list {
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let owner = w[kCGWindowOwnerName as String] as? String ?? ""
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guard owner.contains(needle) else { continue }
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let id = w[kCGWindowNumber as String] as? Int ?? 0
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let b = w[kCGWindowBounds as String] as? [String: Double] ?? [:]
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let name = w[kCGWindowName as String] as? String ?? ""
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let layer = w[kCGWindowLayer as String] as? Int ?? 0
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print(id, Int(b["X"] ?? 0), Int(b["Y"] ?? 0), Int(b["Width"] ?? 0), Int(b["Height"] ?? 0), layer, name)
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}

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