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build.sh: retry flaky git clones; empty dist/ in place

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The forgejo VM occasionally 500s under crawler load - a clone blip
should cost 10 seconds, not the run. dist/ keeps its inode so a shell
cd'd into it no longer breaks the next podman start.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Jorijn van der Graaf 2026-08-08 22:26:36 +02:00
commit f8402f97a5
1 changed files with 23 additions and 7 deletions
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30
build.sh
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@ -55,11 +55,27 @@ if [ "$(id -u)" = 0 ]; then
fi
id build >/dev/null 2>&1 || adduser -D build
echo 'build ALL=(ALL) NOPASSWD: ALL' > /etc/sudoers.d/build
rm -rf dist
# empty dist in place (never delete the dir itself: a shell cd'd into it
# would poison the next podman invocation's cwd)
install -d -o build dist
find dist -mindepth 1 -delete
exec su build -c "sh -eu '$PWD/build.sh'"
fi
# git hosts occasionally hiccup (our forgejo lives on a small VM that also
# serves crawlers); a clone failure should cost a retry, not the whole run
clone_retry() { # clone_retry <dest> <git clone args...>
_dest=$1; shift
for _i in 1 2 3; do
rm -rf "$_dest"
git clone "$@" "$_dest" && return 0
echo "git clone $_dest failed (attempt $_i/3), retrying in 10s..." >&2
sleep 10
done
echo "git clone $_dest failed after 3 attempts" >&2
return 1
}
WORK=${FP6IMG_WORK:-$HOME/fp6img-work}
mkdir -p "$WORK"
@ -74,8 +90,8 @@ fi' EXIT
# --- 1. pmaports with our aports copied over ---------------------------------
# pmbootstrap hard-errors when a pkgname exists in more than one aports dir,
# so "overlay" means: clone upstream, delete the upstream aport, drop ours in.
rm -rf "$WORK/pmaports"
git clone -q --depth=1 "$PMAPORTS_REPO" "$WORK/pmaports"
clone_retry "$WORK/pmaports" -q --depth=1 "$PMAPORTS_REPO"
rm -rf "$WORK/pmaports/device/testing/linux-postmarketos-qcom-milos" \
"$WORK/pmaports/main/postmarketos-config-nftables" \
"$WORK/pmaports/temp/libqmi" \
@ -94,8 +110,8 @@ cp -r aports/temp/modemmanager "$WORK/pmaports/temp/"
# --- 2. pin the kernel source -------------------------------------------------
# Source archives are disabled on the Forgejo instance, so generate the
# tarball ourselves; abuild treats it as a local source file.
rm -rf "$WORK/milos-src"
git clone -q --depth=1 -b "$KERNEL_BRANCH" "$KERNEL_REPO" "$WORK/milos-src"
clone_retry "$WORK/milos-src" -q --depth=1 -b "$KERNEL_BRANCH" "$KERNEL_REPO"
COMMIT=$(git -C "$WORK/milos-src" rev-parse HEAD)
KAPORT="$WORK/pmaports/device/testing/linux-postmarketos-qcom-milos"
git -C "$WORK/milos-src" archive --prefix=milos-linux/ \
@ -103,8 +119,8 @@ git -C "$WORK/milos-src" archive --prefix=milos-linux/ \
sed -i "s/^_commit=.*/_commit=\"$COMMIT\"/" "$KAPORT/APKBUILD"
# Same dance for imsd, pinned to a reviewed commit rather than branch tip.
rm -rf "$WORK/imsd-src"
git clone -q "$IMSD_REPO" "$WORK/imsd-src"
clone_retry "$WORK/imsd-src" -q "$IMSD_REPO"
git -C "$WORK/imsd-src" checkout -q "$IMSD_COMMIT"
IAPORT="$WORK/pmaports/modem/imsd"
git -C "$WORK/imsd-src" archive --prefix=imsd/ \