Use disk image for btrfs tests

.github/workflows/c-cpp.yml

@@ -38,6 +38,8 @@ jobs:
         os: [ubuntu-20.04, ubuntu-22.04, ubuntu-24.04]
         cc: [gcc, clang]
         include:
+        - name: btrfs-clone
+          os: ubuntu-latest
         - name: epochalypse
           os: ubuntu-latest
           setup_options: -Db_sanitize=none
@@ -113,6 +115,16 @@ jobs:
         apk update
         apk upgrade
 
+    - if: ${{ matrix.name == 'btrfs-clone' }}
+      uses: actions/cache@v4
+      id: btrfs-img-cache
+      with:
+        path: test/rmw-btrfs-test.img
+        key: ${{ matrix.name }}-${{ hashFiles('test/rmw-btrfs-test.img.sha256sum') }}
+
+    - if: ${{ steps.btrfs-img-cache.outputs.cache-hit != 'true' && matrix.name == 'btrfs-clone' }}
+      run: curl -L -o test/rmw-btrfs-test.img 'https://www.dropbox.com/scl/fi/57g3ixd3w3tuz4qoc2zp1/rmw-btrfs-test.img?rlkey=yc7krtntswsa1bwz0sbugy4gi&st=hkgrht05&dl=0'
+
     - name: Configure
       run: meson setup builddir $SETUP_OPTIONS ${{ matrix.setup_options }}
 

.gitignore

@@ -16,3 +16,4 @@ subprojects/**
 # wrap files required
 !subprojects/**/*.wrap
 /packaging/appimage/.env
+/test/rmw-btrfs-test.img

test/btrfs_clone.sh

@@ -7,55 +7,82 @@ else
   . "${MESON_SOURCE_ROOT}/test/COMMON"
 fi
 
-# This script is only designed to work on Andy's workstation.
-if [ ! -d "/mnt/btrfs_part" ]; then
-  exit 0
-fi
+## This script is only designed to work on Andy's workstation.
+#if [ ! -d "/mnt/btrfs_part" ]; then
+  #exit 0
+#fi
+
+## subvolume
+#if [ ! -d "/mnt/btrfs_part/Waste" ]; then
+  #exit 0
+#fi
+
+#$RMW_TEST_CMD_STRING
+
+#cd "$RMW_FAKE_HOME"
+#for i in "/mnt/btrfs_part" "/mnt/btrfs_part/bar"; do
+  #touch "$i/foo"
+  #for j in 01 02 03 04; do
+    #echo "$j"
+    #$RMW_TEST_CMD_STRING -c "${MESON_SOURCE_ROOT}/test/rmw.btrfs$j.rc" "$i/foo"
+    #test ! -f "$i/foo"
+    #$RMW_TEST_CMD_STRING -c "${MESON_SOURCE_ROOT}/test/rmw.btrfs$j.rc" -u
+    #test -f "$i/foo"
+  #done
+#done
+
+#touch /mnt/btrfs_part/bar/foo
+#$RMW_TEST_CMD_STRING /mnt/btrfs_part/bar/foo \
+  #-c "${MESON_SOURCE_ROOT}/test/rmw.btrfs04.rc"
+#test ! -f /mnt/btrfs_part/bar/foo
+#cd /mnt/btrfs_part/wasteLink/files
+#$RMW_TEST_CMD_STRING -c "${MESON_SOURCE_ROOT}/test/rmw.btrfs04.rc" -z foo
+#test -f /mnt/btrfs_part/bar/foo
+
+#cd /mnt/btrfs_part/bar
+#touch ../foo
+#$RMW_TEST_CMD_STRING ../foo \
+  #-c "${MESON_SOURCE_ROOT}/test/rmw.btrfs04.rc"
+#test -f /mnt/btrfs_part/wasteLink/files/foo
+#$RMW_TEST_CMD_STRING -c "${MESON_SOURCE_ROOT}/test/rmw.btrfs04.rc" -u
+#test -f ../foo
 
-# subvolume
-if [ ! -d "/mnt/btrfs_part/Waste" ]; then
+#if [ ! -d "/mnt/loop" ]; then
+  #exit 0
+#fi
+
+IMAGE_MOUNTPOINT="/tmp/rmw-loop"
+
+if [ ! -f "${MESON_SOURCE_ROOT}/test/rmw-btrfs-test.img" ]; then
   exit 0
 fi
 
-$RMW_TEST_CMD_STRING
-
-cd "$RMW_FAKE_HOME"
-for i in "/mnt/btrfs_part" "/mnt/btrfs_part/bar"; do
-  touch "$i/foo"
-  for j in 01 02 03 04; do
-    echo "$j"
-    $RMW_TEST_CMD_STRING -c "${MESON_SOURCE_ROOT}/test/rmw.btrfs$j.rc" "$i/foo"
-    test ! -f "$i/foo"
-    $RMW_TEST_CMD_STRING -c "${MESON_SOURCE_ROOT}/test/rmw.btrfs$j.rc" -u
-    test -f "$i/foo"
-  done
-done
-
-touch /mnt/btrfs_part/bar/foo
-$RMW_TEST_CMD_STRING /mnt/btrfs_part/bar/foo \
-  -c "${MESON_SOURCE_ROOT}/test/rmw.btrfs04.rc"
-test ! -f /mnt/btrfs_part/bar/foo
-cd /mnt/btrfs_part/wasteLink/files
-$RMW_TEST_CMD_STRING -c "${MESON_SOURCE_ROOT}/test/rmw.btrfs04.rc" -z foo
-test -f /mnt/btrfs_part/bar/foo
-
-cd /mnt/btrfs_part/bar
-touch ../foo
-$RMW_TEST_CMD_STRING ../foo \
-  -c "${MESON_SOURCE_ROOT}/test/rmw.btrfs04.rc"
-test -f /mnt/btrfs_part/wasteLink/files/foo
-$RMW_TEST_CMD_STRING -c "${MESON_SOURCE_ROOT}/test/rmw.btrfs04.rc" -u
-test -f ../foo
-
-# This script is only designed to work on Andy's workstation.
-if [ ! -d "/mnt/usb_btrfs" ]; then
+if [ -f "${MESON_SOURCE_ROOT}/test/rmw-btrfs-test.img" ]; then
+  if [ ! -d "$IMAGE_MOUNTPOINT" ]; then
+    sudo mkdir "$IMAGE_MOUNTPOINT"
+  fi
+  if [ -z "$(mount | grep rmw-btrfs)" ]; then
+    sudo mount -o loop "${MESON_SOURCE_ROOT}/test/rmw-btrfs-test.img" \
+      "$IMAGE_MOUNTPOINT"
+    sudo chown $(id -u) -R "$IMAGE_MOUNTPOINT"
+  fi
+else
   exit 0
 fi
 
-cd /mnt/usb_btrfs
+cd "$IMAGE_MOUNTPOINT"
 touch foo
 $RMW_TEST_CMD_STRING foo \
-  -c "${MESON_SOURCE_ROOT}/test/rmw.btrfs_usb.rc"
+  -c "${MESON_SOURCE_ROOT}/test/rmw.btrfs_img.rc"
 test ! -f foo
+$RMW_TEST_CMD_STRING -u \
+  -c "${MESON_SOURCE_ROOT}/test/rmw.btrfs_img.rc"
+test -f foo
+
+cd
+
+if [ -n "$(mount | grep rmw-btrfs)" ]; then
+  sudo umount "$IMAGE_MOUNTPOINT"
+fi
 
 exit 0

test/rmw-btrfs-test.img.sha256sum

@@ -0,0 +1 @@
+cae56d95af17163700dd3402235248fcf52a81ea86b8cbf34733056096dda445  rmw-btrfs-test.img

test/rmw.btrfs_img.rc

@@ -0,0 +1,4 @@
+#waste = /tmp/rmw-loop/.Trash-$UID
+waste = /tmp/rmw-loop/three/Waste
+waste = /tmp/rmw-loop/@two/Waste
+waste = /tmp/rmw-loop/trashlink