From d150c563f6acabb9b5c0392e7b8028414ef466f9 Mon Sep 17 00:00:00 2001
From: david <mmw@tagmar.net>
Date: Tue, 14 May 2024 12:24:25 +0100
Subject: [PATCH] Fix: 'truncate' work-around for git CI on COW files systems.

fallocate fails on some (git CI) COW filesystems, so have a
coreutils alternative.

build-boot-rpi
build-debian
build-image
qemu.sh
---
 scripts/build-boot-rpi | 3 ++-
 scripts/build-debian   | 3 ++-
 scripts/build-image    | 6 ++++--
 test/qemu.sh           | 3 ++-
 4 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/scripts/build-boot-rpi b/scripts/build-boot-rpi
index 223eb4d..991bcb4 100755
--- a/scripts/build-boot-rpi
+++ b/scripts/build-boot-rpi
@@ -73,7 +73,8 @@ sed -i -e "s/BOOT_UART=0/BOOT_UART=1/" bootcode.bin
 
 # Create empty FAT partition
 rm -f vfat.img
-fallocate -l 28MiB vfat.img
+# fallocate fails on some (git CI) COW filesystems, so have a coreutils alternative.
+fallocate -l 28MiB vfat.img || truncate --size 28MiB vfat.img
 mkfs.vfat vfat.img
 
 # Copy boot files to FAT partition
diff --git a/scripts/build-debian b/scripts/build-debian
index 43fc91c..5ff5e89 100755
--- a/scripts/build-debian
+++ b/scripts/build-debian
@@ -197,7 +197,8 @@ mv debian/tmp/versions.csv versions.csv
 # >>> ((3800000000 - 32 * 1024 * 1024) // (1024 * 1024)) * (1024 * 1024)
 # 3765436416
 rm -f ext4.img
-fallocate -l 3765436416 ext4.img
+# fallocate fails on some (git CI) COW filesystems, so have a coreutils alternative.
+fallocate -l 3765436416 ext4.img || truncate --size=3765436416 ext4.img
 mkfs.ext4 -d debian ext4.img
 pigz ext4.img
 
diff --git a/scripts/build-image b/scripts/build-image
index 42ecfeb..8347cb3 100755
--- a/scripts/build-image
+++ b/scripts/build-image
@@ -14,7 +14,8 @@ if [ $IMAGE_SIZE -lt 1000000000 ]; then
   exit 1
 fi
 rm -f "${IMAGE}"
-fallocate -v -l "${IMAGE_SIZE}" "${IMAGE}" # 3,800,000,000 bytes
+# fallocate fails on some (git CI) COW filesystems, so have a coreutils alternative.
+fallocate -v -l "${IMAGE_SIZE}" "${IMAGE}" || truncate --size "${IMAGE_SIZE}" "${IMAGE}" # 3,800,000,000 bytes
 
 parted -s "${IMAGE}" mklabel msdos
 parted -s "${IMAGE}" mkpart primary fat32 -- 4MiB 32MiB # 28 MiB (29,360,128 bytes)
@@ -23,7 +24,8 @@ parted -s "${IMAGE}" set 2 boot on
 
 # Create empty FAT partition
 rm -f vfat.img
-fallocate -l 28MiB vfat.img
+# fallocate fails on some (git CI) COW filesystems, so have a coreutils alternative.
+fallocate -l 28MiB vfat.img || truncate --size 28MiB vfat.img
 mkfs.vfat vfat.img
 
 # Leave a friendly note about this partition
diff --git a/test/qemu.sh b/test/qemu.sh
index a6b13d0..19a6696 100755
--- a/test/qemu.sh
+++ b/test/qemu.sh
@@ -31,7 +31,8 @@ LOOP1=$(losetup -f -P --show image.bin) && {
 }
 
 # Assume 8GB virtual disk
-fallocate -l 8GB image.bin
+# fallocate fails on some (git CI) COW filesystems, so have a coreutils alternative.
+fallocate -l 8GB image.bin || truncate --size 8GB image.bin
 
 # Extend second partition
 parted -s -a opt image.bin "resizepart 2 100%"