chore(scripts): visual build progress in slint-run (start/ETA/ticker/final)
Learned per-tier ETA from the last successful build, a live elapsed/ETA/percent ticker while codegen is silent, and start/finish banners. Safe under zsh/oh-my-zsh (runs under bash, newline-terminated, TTY-gated colors). NO_TICKER=1 silences it. cc
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1 file changed
+57
@@ -28,14 +28,28 @@
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# is functionally identical but not byte-identical to the FAST/distribution build,
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# and switching tiers (or any RUSTFLAGS/profile knob) forces a one-time rebuild.
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#
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# ─── VISUAL PROGRESS ────────────────────────────────────────────────────────
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# Prints a start banner (wall-clock + tier), a live ⏱ ticker every 15s while the
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# long codegen phase is otherwise silent (elapsed / ETA / percent), and a final
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# banner with total build time. The ETA is learned: each successful build records
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# its duration per tier under ${XDG_CACHE_HOME:-~/.cache}/qbz-slint/, and the next
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# run of the same tier uses it as the estimate (no estimate on the first ever run
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# of a tier, or right after `cargo clean`). NO_TICKER=1 silences the live ticker.
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#
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# Usage: ./scripts/slint-run.sh [extra app args]
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# FAST=1 ./scripts/slint-run.sh # force the fast build
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# THREADS=4 CODEGEN_UNITS=128 OPT=3 ./scripts/slint-run.sh # manual override
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# CAPPED=0 ./scripts/slint-run.sh # disable the cgroup cap
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# NORUN=1 ./scripts/slint-run.sh # build only, don't exec
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# NO_TICKER=1 ./scripts/slint-run.sh # no live progress ticker
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set -euo pipefail
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cd "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/.."
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# --- Pretty helpers ----------------------------------------------------------
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if [[ -t 2 ]]; then C_DIM=$'\033[2m'; C_BOLD=$'\033[1m'; C_GRN=$'\033[32m'; C_RST=$'\033[0m'
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else C_DIM=""; C_BOLD=""; C_GRN=""; C_RST=""; fi
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fmt_dur() { local s=$1; printf '%dm %02ds' $(( s / 60 )) $(( s % 60 )); }
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avail_mb=$(free -m | awk '/^Mem:/ {print $7}')
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# --- Pick build settings from available RAM (any knob overridable via env) ----
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@@ -59,8 +73,43 @@ export CARGO_PROFILE_RELEASE_CODEGEN_UNITS="${CODEGEN_UNITS}"
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export CARGO_PROFILE_RELEASE_OPT_LEVEL="${OPT}"
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export CARGO_BUILD_JOBS="${CARGO_BUILD_JOBS:-1}" # one rustc at a time (memory)
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# --- Learned ETA: last successful build duration for THIS tier ---------------
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eta_dir="${XDG_CACHE_HOME:-$HOME/.cache}/qbz-slint"
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eta_file="${eta_dir}/last-build-${TIER}.secs"
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eta_secs=0
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[[ -r "${eta_file}" ]] && eta_secs=$(cat "${eta_file}" 2>/dev/null || echo 0)
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[[ "${eta_secs}" =~ ^[0-9]+$ ]] || eta_secs=0
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echo "[slint-run] tier=${TIER} avail=${avail_mb}MB → threads=${THREADS} codegen-units=${CODEGEN_UNITS} opt-level=${OPT} capped=${CAPPED}"
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# --- Start banner ------------------------------------------------------------
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build_start=$(date +%s)
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if (( eta_secs > 0 )); then eta_txt="~$(fmt_dur "${eta_secs}") (last ${TIER})"; else eta_txt="unknown (first ${TIER} build)"; fi
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printf '%s[slint-run] ▶ build started %s · ETA %s%s\n' \
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"${C_BOLD}" "$(date '+%H:%M:%S')" "${eta_txt}" "${C_RST}"
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# --- Live ticker: elapsed / ETA / percent, every 15s while codegen is silent -
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tick_pid=""
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if [[ "${NO_TICKER:-0}" != 1 ]] && [[ -t 2 ]]; then
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(
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while true; do
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sleep 15
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now=$(date +%s); el=$(( now - build_start ))
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if (( eta_secs > 0 )); then
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pct=$(( el * 100 / eta_secs )); (( pct > 99 )) && pct=99
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printf '%s[slint-run] ⏱ %s elapsed · ETA ~%s · ~%d%%%s\n' \
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"${C_DIM}" "$(fmt_dur "${el}")" "$(fmt_dur "${eta_secs}")" "${pct}" "${C_RST}" >&2
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else
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printf '%s[slint-run] ⏱ %s elapsed%s\n' "${C_DIM}" "$(fmt_dur "${el}")" "${C_RST}" >&2
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fi
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done
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) &
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tick_pid=$!
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# Safety net: if the build aborts (set -e), don't leak the ticker.
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trap '[[ -n "${tick_pid}" ]] && kill "${tick_pid}" 2>/dev/null || true' EXIT
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fi
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# --- The build ---------------------------------------------------------------
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if [[ "${CAPPED}" == 1 ]] && command -v cargo-capped >/dev/null 2>&1; then
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# Cap the cgroup so the GLOBAL MemAvailable floor never reaches earlyoom's
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# 10% trigger (~3.2 GB on this box). Empirically (2026-07-04, ftrace-caught):
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@@ -77,6 +126,14 @@ else
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cargo +nightly build --release --manifest-path crates/Cargo.toml -p qbz
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fi
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# --- Stop the ticker, record the duration, print the final banner ------------
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[[ -n "${tick_pid}" ]] && { kill "${tick_pid}" 2>/dev/null || true; wait "${tick_pid}" 2>/dev/null || true; }
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trap - EXIT
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build_secs=$(( $(date +%s) - build_start ))
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mkdir -p "${eta_dir}" 2>/dev/null && printf '%s\n' "${build_secs}" > "${eta_file}" 2>/dev/null || true
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printf '%s[slint-run] ✔ build finished %s · took %s (tier %s)%s\n' \
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"${C_BOLD}${C_GRN}" "$(date '+%H:%M:%S')" "$(fmt_dur "${build_secs}")" "${TIER}" "${C_RST}"
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[[ "${NORUN:-0}" == 1 ]] && { echo "[slint-run] build done (NORUN set)."; exit 0; }
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# exec the binary directly — no `cargo run`, so no CARGO_* env / cargo context,
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