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https://github.com/penpot/penpot.git
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Andrey Antukh
5ef70c7284
Protect shared setup, compilation, artifact copy, and target cleanup with one flock lock per checkout. Route watch builds and frontend cleanup through the protected scripts. Document the lock contract and normalize the frontend and exporter build:wasm commands. Closes #11901 AI-assisted-by: Space Bunny Free
54 lines
1.5 KiB
Bash
54 lines
1.5 KiB
Bash
#!/usr/bin/env bash
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_render_wasm_lock_source=${BASH_SOURCE[0]}
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_render_wasm_lock_dir=${_render_wasm_lock_source%/*}
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if [[ "$_render_wasm_lock_dir" == "$_render_wasm_lock_source" ]]; then
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_render_wasm_lock_dir="."
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fi
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_RENDER_WASM_LOCK_DIR=$(cd -- "$_render_wasm_lock_dir" && pwd)
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_RENDER_WASM_BUILD_LOCK_HELD=0
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release_build_lock() {
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if [[ "$_RENDER_WASM_BUILD_LOCK_HELD" == "1" ]]; then
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_RENDER_WASM_BUILD_LOCK_HELD=0
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flock --unlock 9 2>/dev/null || true
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fi
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exec 9>&-
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}
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acquire_build_lock() {
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if ! command -v flock > /dev/null 2>&1; then
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echo "ERROR: render-wasm builds require flock from util-linux on Linux" >&2
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return 1
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fi
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if [[ "$_RENDER_WASM_BUILD_LOCK_HELD" == "1" ]]; then
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return 0
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fi
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local lock_file="${RENDER_WASM_LOCK_FILE:-$_RENDER_WASM_LOCK_DIR/.render-wasm-build.lock}"
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if ! exec 9>> "$lock_file"; then
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echo "ERROR: cannot open render-wasm build lock: $lock_file" >&2
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return 1
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fi
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trap 'release_build_lock' EXIT
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trap 'release_build_lock; exit 129' HUP
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trap 'release_build_lock; exit 130' INT
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trap 'release_build_lock; exit 131' QUIT
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trap 'release_build_lock; exit 143' TERM
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if ! flock --exclusive --nonblock 9; then
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echo "Waiting for another render-wasm build to finish: $lock_file" >&2
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if ! flock --exclusive 9; then
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echo "ERROR: cannot acquire render-wasm build lock: $lock_file" >&2
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release_build_lock
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return 1
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fi
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fi
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_RENDER_WASM_BUILD_LOCK_HELD=1
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}
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