From 1a7016a930e04c31a0a91f0257ca5c19edc7e53e Mon Sep 17 00:00:00 2001
From: Tobias Manske <tobias.manske@mailbox.org>
Date: Mon, 27 Mar 2023 13:59:50 +0200
Subject: [PATCH] Build missing packages and -git packages

Add locking
Fix style
Optionally disable git rebuild
---
 .drone.yml    |  1 -
 entrypoint.sh | 95 +++++++++++++++++++++++++++++++++------------------
 2 files changed, 61 insertions(+), 35 deletions(-)

diff --git a/.drone.yml b/.drone.yml
index aef7f43..14c35be 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -6,7 +6,6 @@ name: Build ArchLinux packages!
 trigger:
   event:
     include:
-      - push
       - custom
       - cron
       - tag
diff --git a/entrypoint.sh b/entrypoint.sh
index 89de4ce..d81a36f 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,8 +1,9 @@
-#!/bin/sh
-set -u
-set -e
+#!/bin/bash
+set -eEu
 set -v
 
+PIPELINE_ID=$RANDOM
+echo ${PIPELINE_ID}
 
 sudo pacman-key --init
 
@@ -10,77 +11,103 @@ sudo pacman-key --init
 
 ## Needed so pacman doesnt complain.
 repo-add "/repo/${AUR_REPO_NAME}.db.tar.xz"
-sudo pacman -Syu --noconfirm minio-client pacman-contrib
+sudo pacman -Syu --noconfirm minio-client pacman-contrib &>/dev/null # Setup tooling
 
-mcli alias set s3 https://s3.tobiasmanske.de $REPO_ACCESS_KEY $REPO_SECRET_KEY
-mcli cp s3/repo/x86_64/rad4day.db.tar.xz /repo/rad4day.db.tar.xz
-mcli cp s3/repo/x86_64/rad4day.files.tar.xz /repo/rad4day.files.tar.xz
+mcli alias set s3 https://s3.tobiasmanske.de "${REPO_ACCESS_KEY}" "${REPO_SECRET_KEY}"
 
-mcli cp s3/repo/x86_64/rad4day.db.tar.xz.sig /repo/rad4day.db.tar.xz.sig
-mcli cp s3/repo/x86_64/rad4day.files.tar.xz.sig /repo/rad4day.files.tar.xz.sig
+# LOCK
+LOCK=""
 
-if ! (aur repo > /dev/null 2>&1); then
-    printf "Aur repo not initialized, initializing /repo...\n"
-    repo-add "/repo/${AUR_REPO_NAME}.db.tar.xz"
+while [[ "${LOCK}" != "${PIPELINE_ID}" ]]; do
+	LOCK=$(mcli cat s3/repo/LOCK)
+	if [[ "${LOCK}" == "FREE" ]]; then
+		echo $PIPELINE_ID | mcli pipe s3/repo/LOCK
+	fi
+	echo "Waiting for lock with id $PIPELINE_ID..."
+	sleep $((RANDOM % 10))
+
+done
+
+unlock() {
+	if [[ "${LOCK}" == "${PIPELINE_ID}" ]]; then
+		echo "FREE" | mcli pipe s3/repo/LOCK
+	fi
+
+}
+
+trap unlock EXIT INT TERM
+
+echo "Pulling Repository"
+(
+	mcli mirror --overwrite s3/repo/x86_64 /repo &>/dev/null
+	rm "/repo/${AUR_REPO_NAME}.db"
+	rm "/repo/${AUR_REPO_NAME}.db.sig"
+	rm "/repo/${AUR_REPO_NAME}.files"
+	# rm "/repo/${AUR_REPO_NAME}.files.sig"
+	ln -sf "/repo/${AUR_REPO_NAME}.db.tar.xz" "/repo/${AUR_REPO_NAME}.db"
+	ln -sf "/repo/${AUR_REPO_NAME}.files.tar.xz" "/repo/${AUR_REPO_NAME}.files"
+	ln -sf "/repo/${AUR_REPO_NAME}.db.tar.xz.sig" "/repo/${AUR_REPO_NAME}.db.sig"
+	ln -sf "/repo/${AUR_REPO_NAME}.files.tar.xz.sig" "/repo/${AUR_REPO_NAME}.files.sig"
+) &>/dev/null 
+
+if ! (aur repo >/dev/null 2>&1); then
+	printf "Aur repo not initialized, initializing /repo...\n"
+	repo-add "/repo/${AUR_REPO_NAME}.db.tar.xz"
 fi
 
-
 # Keyring Signing Key
 sudo pacman-key --add trustroot.asc
 gpg --import --batch trustroot.asc
 sudo pacman-key --lsign 10BE06BC275CE0E17373B368F67996C486D1B56B
 
-
-# repoctl conf new "$(readlink -f \"/repo/${AUR_REPO_NAME}.db.tar.xz\")"
-
 # Setup signing
-echo "$BUILD_GPG_KEY" | base64 -d | gpg --import --batch
+echo "${BUILD_GPG_KEY:-}" | base64 -d | gpg --import --batch
 echo "C3FE87CFB8F8D503AE03EC1C033E7F3DC71FE89E:6:" | gpg --import-ownertrust --batch
 
-sudo pacman --noconfirm -Sy archlinux-keyring
-sudo pacman --noconfirm -Syu
 
+sudo pacman --noconfirm -Syu archlinux-keyring &>/dev/null
 
-git clone --recursive https://git.tobiasmanske.de/archlinux-repo/package_sources.git packages
+git clone --recursive https://git.tobiasmanske.de/archlinux-repo/package_sources.git packages &>/dev/null
 cd packages
 
 touch buildqueue
 ## OBTAIN PACKAGES TO BUILD
 
-git submodule update --remote --merge # Make sure we are up to date if something is linked as a submodule
+git submodule update --remote --merge &>/dev/null # Make sure we are up to date if something is linked as a submodule
 #
 find . -name PKGBUILD -execdir sh -c 'makepkg --printsrcinfo > .SRCINFO' \;
 
 # Obtain version of downloaded packages
-find . -iname PKGBUILD -exec dirname {} \; | aur srcver --no-prepare - > vcs
+find . -iname PKGBUILD -exec dirname {} \; | aur srcver --no-prepare - >vcs
 
 # Rebuild all git packages
-find . -iname "*-git$" -type d | tee -a buildqueue
+if [ ! -z "$NO_GIT_REBUILD" ]; then
+	cut -f1 vcs | grep -e "-git$" | tee -a buildqueue
+fi
 
 # add all outdated packages to the build queue
 aur repo --list | aur vercmp -q -p vcs | tee -a buildqueue
 
+# Build missing packages
+comm -23 <(cut -f1 vcs | sort) <(pacman -Slq "${AUR_REPO_NAME}" | sort) | tee -a buildqueue
+
 # Build all packages defined in buildqueue
 while read -r i; do
-    cat "$i"/.SRCINFO
-done < buildqueue | aur graph | tsort | tac > queue
+	cat "$i"/.SRCINFO
+done <buildqueue | aur graph | tsort | tac >queue
 echo
 echo QUEUE
 echo
 cat queue
 
+if wc -l queue | grep -q "^0 "; then
+	echo "Nothing to build, exiting."
+	exit 0
+fi
+
 ## BUILD
 
 aur build -S --noconfirm -a queue --no-sync --margs -s
 
-# build all packages defined in our repo
-#paclist custom | awk '{print $1}' | xargs -r aur sync --noconfirm
-aur sync -u -S --noview --noconfirm
-
-
 ## Upload to repo
 mcli mirror --overwrite /repo s3/repo/x86_64
-
-
-exec "$@"
-