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build_all --ram: exclude flatpak from tmpfs (rofiles-fuse can't mount /dev/shm)

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flatpak-builder mounts its state dir via rofiles-fuse; FUSE mounts fail on
/dev/shm ('fusermount: Permission denied'). So --ram no longer redirects the
flatpak dirs — it builds on disk as before. PyInstaller workpath, AppImage
AppDir and TMPDIR/PIP_CACHE_DIR still go to tmpfs.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Foué
2026-05-30 10:56:16 +02:00
parent ab3058d789
commit 523a69698b
1 changed files with 13 additions and 14 deletions
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27
build_all.sh
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@@ -21,9 +21,10 @@
# log of any failing step is printed at the end.
#
# Pass --ram to redirect the per-channel build scratch (PyInstaller workpath,
# Flatpak build dir + ostree repo, AppImage AppDir) and TMPDIR/PIP_CACHE_DIR to
# /dev/shm, and skip UPX. Big speedup on slow/flash storage. On a RAM-limited
# machine combine with --serial (e.g. ./build_all.sh --ram --serial).
# AppImage AppDir) and TMPDIR/PIP_CACHE_DIR to /dev/shm, and skip UPX. Big
# speedup on slow/flash storage. Flatpak is excluded (its rofiles-fuse can't
# mount on /dev/shm), so it still builds on disk. On a RAM-limited machine
# combine with --serial (e.g. ./build_all.sh --ram --serial).
#
# All artifacts are collected (copied) under <repo>/dist/. Original outputs in
# src/dist/, package/*/dist/, doc/manual/ are left in place. Wheel and AppImage
@@ -83,24 +84,22 @@ source "$SCRIPT_DIR/scripts/set_env.sh"
# ---------- RAM mode: put build scratch on tmpfs (--ram) ----------------------
# On slow storage (USB stick, SD card) the per-channel build dirs and temp
# churn dominate. --ram redirects them to /dev/shm and skips UPX. The whole
# Flatpak working set (build dir + .flatpak-builder + repo) goes to tmpfs
# because flatpak-builder requires its state dir on the same filesystem as the
# build dir — so its download cache doesn't persist across --ram runs. The
# tmpfs scratch is freed on exit.
# churn dominate. --ram redirects the PyInstaller workpath, the AppImage AppDir
# and TMPDIR/PIP_CACHE_DIR to /dev/shm, and skips UPX. Flatpak is intentionally
# NOT moved: flatpak-builder mounts its state dir with rofiles-fuse, and FUSE
# can't mount on /dev/shm (fusermount: Permission denied) — so it builds on
# disk. The tmpfs scratch is freed on exit.
if [ "$RAM" -eq 1 ]; then
RAMROOT="/dev/shm/testium-build-${VERSION}"
echo "-- RAM mode: build scratch under $RAMROOT (tmpfs), freed on exit"
echo " (flatpak builds on disk — rofiles-fuse can't mount on /dev/shm)"
rm -rf "$RAMROOT"
mkdir -p "$RAMROOT"/{tmp,pip,pyi-work,flatpak-build,flatpak-state,flatpak-repo,appdir}
mkdir -p "$RAMROOT"/{tmp,pip,pyi-work,appdir}
export TMPDIR="$RAMROOT/tmp"
export PIP_CACHE_DIR="$RAMROOT/pip"
export PYI_WORKPATH="$RAMROOT/pyi-work" # pyinstaller --workpath
export FLATPAK_BUILDDIR="$RAMROOT/flatpak-build" # flatpak-builder build dir
export FLATPAK_STATEDIR="$RAMROOT/flatpak-state" # .flatpak-builder (same fs as build dir, required)
export FLATPAK_REPODIR="$RAMROOT/flatpak-repo" # ostree repo
export APPIMAGE_APPDIR_TMPFS="$RAMROOT/appdir" # AppDir bind-mount
export TESTIUM_NO_UPX=1 # skip slow UPX in the spec
export APPIMAGE_APPDIR_TMPFS="$RAMROOT/appdir" # AppDir bind-mount
export TESTIUM_NO_UPX=1 # skip slow UPX in the spec
trap 'rm -rf "$RAMROOT"' EXIT
if [ "$SERIAL" -ne 1 ]; then
echo " note: with --ram, prefer adding --serial so each step gets the"