From 1a48609c6bcf7b041ef3811585e1c1ab58652394 Mon Sep 17 00:00:00 2001
From: Eric Butler <eric@level.com>
Date: Sun, 9 May 2021 08:39:21 -0400
Subject: Meta: Always try genext2fs as fallback to build disk image

If mounting disk image fails (e.g. fuse is not available on macos),
always try using genext2fs before giving up.
---
 Meta/build-image-qemu.sh | 30 ++++++++++++++----------------
 1 file changed, 14 insertions(+), 16 deletions(-)

(limited to 'Meta/build-image-qemu.sh')

diff --git a/Meta/build-image-qemu.sh b/Meta/build-image-qemu.sh
index bd783f10dd..9e0ae43143 100755
--- a/Meta/build-image-qemu.sh
+++ b/Meta/build-image-qemu.sh
@@ -87,25 +87,23 @@ printf "mounting filesystem... "
 mkdir -p mnt
 use_genext2fs=0
 if [ "$(uname -s)" = "Darwin" ]; then
-    fuse-ext2 _disk_image mnt -o rw+,allow_other,uid=501,gid=20 || die "could not mount filesystem"
-    echo "done"
+  mount_cmd="fuse-ext2 _disk_image mnt -o rw+,allow_other,uid=501,gid=20"
 elif [ "$(uname -s)" = "OpenBSD" ]; then
-    mount -t ext2fs "/dev/${VND}i" mnt/ || die "could not mount filesystem"
-    echo "done"
+  mount_cmd="mount -t ext2fs "/dev/${VND}i" mnt/"
 elif [ "$(uname -s)" = "FreeBSD" ]; then
-    fuse-ext2 -o rw+,direct_io "/dev/${MD}" mnt/ || die "could not mount filesystem"
-    echo "done"
+  mount_cmd="fuse-ext2 -o rw+,direct_io "/dev/${MD}" mnt/"
 else
-    if ! mount _disk_image mnt/ ; then
-        if command -v genext2fs 1>/dev/null ; then
-            echo "mount failed but genext2fs exists, use it instead"
-            use_genext2fs=1
-        else
-            die "could not mount filesystem and genext2fs is missing"
-        fi
-    else
-         echo "done"
-    fi
+  mount_cmd="mount _disk_image mnt/"
+fi
+if ! eval "$mount_cmd"; then
+  if command -v genext2fs 1>/dev/null ; then
+    echo "mount failed but genext2fs exists, use it instead"
+    use_genext2fs=1
+  else
+    die "could not mount filesystem and genext2fs is missing"
+  fi
+else
+  echo "done"
 fi
 
 cleanup() {
-- 
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