Hello,

Thanks for the bug report, Reepca.

Noé, could you take a look?

Thanks,
Ludo’.

Reepca Russelstein <ree...@russelstein.xyz> skribis:

> Or perhaps it would be more accurate to say that it is nondeterministic.
> This is because it currently succeeds more or less by accident: the
> AppRun symlink points to ./gnu/store/...-profile/bin/hello, which points
> to /gnu/store/...-hello-2.12.1/bin/hello (note: absolute path!).  There
> shouldn't be any reason for that to exist inside the chroot, except that
> the daemon's reference scanner has noticed that some of the inputs to
> the appimage-building derivation *may* have their hashes visible in the
> built appimage.  I say "may" because the appimage is compressed with
> squashfs, so it's a matter of luck whether a hash is actually directly
> visible.  Currently, in the master branch, it happens to be visible, but
> in my local repository it isn't, and so it fails for me.
>
> To demonstrate this without relying on the fickle compression, find the
> store path of the appimage built during the tests/pack.scm "appimage"
> test case after running "make check TESTS=tests/pack.scm" (the
> "check-appimage" derivation is printed into tests/pack.log, from there
> you can find the appimage derivation and its output path), and call it
> $IMAGE.  Then:
>
> $ IMAGE=/gnu/store/2c8m9in2pkgkf8p9qgv17dqz19jfxmmm-hello-appimage.AppImage
> $ mkdir test-root
> $ mkdir test-root/proc
> $ mkdir test-root/tmp
> $ cp "$IMAGE" test-root/test-image
> $ unshare --user --mount --map-root-user
>
> then, in the subshell spawned by unshare:
>
> $ mount --bind /proc test-root/proc
> $ chroot ./test-root /test-image --appimage-extract-and-run
>
> you should see "Failed to run
> /tmp/appimage_extracted_e331827d4eb2f579cccf6fb79143c261/AppRun: No such
> file or directory" or something like it.
>
> - reepca



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