Tests: install the container's tools from our own mirror, and try again

An install test failed 13 seconds in: a public Arch mirror dropped two
signature files while the test container was installing QEMU. The three
test containers now ask mirror.omarchy.org first, with the public
mirrors after it, and try up to three times.

.github/workflows/install-test.yml

@@ -57,8 +57,16 @@ jobs:
                 printf "#!/bin/sh\nexec /usr/bin/pacman --disable-sandbox \"\$@\"\n" >/usr/local/bin/pacman
                 chmod 0755 /usr/local/bin/pacman
               fi
-              pacman -Syu --noconfirm --needed qemu-system-x86 qemu-hw-display-virtio-gpu qemu-hw-display-virtio-vga qemu-img edk2-ovmf socat \
-                imagemagick tesseract tesseract-data-eng mtools dosfstools jq openssh openssl python curl >/dev/null
+              # The tools come from our own Arch mirror first, the public ones
+              # after it. A mirror that drops one file must not fail the test:
+              # try again.
+              sed -i "1i Server = https://mirror.omarchy.org/\$repo/os/\$arch" /etc/pacman.d/mirrorlist
+              for attempt in 1 2 3; do
+                pacman -Syu --noconfirm --needed qemu-system-x86 qemu-hw-display-virtio-gpu qemu-hw-display-virtio-vga qemu-img edk2-ovmf socat \
+                  imagemagick tesseract tesseract-data-eng mtools dosfstools jq openssh openssl python curl >/dev/null && break
+                [ "$attempt" -lt 3 ] || { echo "::error::the test container could not install its tools"; exit 1; }
+                echo "pacman failed, attempt $attempt of 3; trying again in 15 s"; sleep 15
+              done
               # test/integration installs its tools through Omarchy'"'"'s helper; they are installed above.
               printf "#!/bin/sh\nexit 0\n" >/usr/local/bin/omarchy-pkg-add
               chmod 0755 /usr/local/bin/omarchy-pkg-add

.github/workflows/nightly-build.yml

@@ -139,8 +139,16 @@ jobs:
                 printf "#!/bin/sh\nexec /usr/bin/pacman --disable-sandbox \"\$@\"\n" >/usr/local/bin/pacman
                 chmod 0755 /usr/local/bin/pacman
               fi
-              pacman -Syu --noconfirm --needed qemu-system-x86 qemu-hw-display-virtio-gpu qemu-hw-display-virtio-vga qemu-img edk2-ovmf socat \
-                imagemagick tesseract tesseract-data-eng mtools dosfstools jq openssh openssl python curl binutils >/dev/null
+              # The tools come from our own Arch mirror first, the public ones
+              # after it. A mirror that drops one file must not fail the test:
+              # try again.
+              sed -i "1i Server = https://mirror.omarchy.org/\$repo/os/\$arch" /etc/pacman.d/mirrorlist
+              for attempt in 1 2 3; do
+                pacman -Syu --noconfirm --needed qemu-system-x86 qemu-hw-display-virtio-gpu qemu-hw-display-virtio-vga qemu-img edk2-ovmf socat \
+                  imagemagick tesseract tesseract-data-eng mtools dosfstools jq openssh openssl python curl binutils >/dev/null && break
+                [ "$attempt" -lt 3 ] || { echo "::error::the test container could not install its tools"; exit 1; }
+                echo "pacman failed, attempt $attempt of 3; trying again in 15 s"; sleep 15
+              done
               # test/integration installs its tools through Omarchy'"'"'s helper; they are installed above.
               printf "#!/bin/sh\nexit 0\n" >/usr/local/bin/omarchy-pkg-add
               chmod 0755 /usr/local/bin/omarchy-pkg-add

.github/workflows/unit-test.yml

@@ -46,7 +46,14 @@ jobs:
               sleep 1
             done
             echo "systemd: $state"
-            pacman -Syu --noconfirm --needed python parted diffutils jq >/dev/null
+            # From our own Arch mirror first, and a second and third try: a
+            # mirror that drops one file must not fail the tests.
+            sed -i "1i Server = https://mirror.omarchy.org/\$repo/os/\$arch" /etc/pacman.d/mirrorlist
+            for attempt in 1 2 3; do
+              pacman -Syu --noconfirm --needed python parted diffutils jq >/dev/null && break
+              [ "$attempt" -lt 3 ] || { echo "::error::the test container could not install its tools"; exit 1; }
+              sleep 15
+            done
             useradd -m tester
             cp -r /src /home/tester/omarchy-iso
             chown -R tester /home/tester/omarchy-iso