Curiously, the value of $INSTDIR is correct before MULTIUSER_UNINIT, but is
made incorrect by MULTIUSER_UNINIT. Save and restore the correct value.
Saving $MultiUser.InstallMode in the registry (by setting relevant macros
examined by MultiUser.nsh) is susceptible to overwriting if the user installs
multiple viewers with the same channel name. Instead, write an InstallMode.txt
in the install directory, and read it back on uninstall. Of course, add it to
the files to be deleted on uninstall.
for 64-bit viewers.
It seems there's a longstanding bug in NSIS: it fails to use $PROGRAMFILES64
rather than $PROGRAMFILES when performing an all-users install of a 64-bit
program. Try to remedy that.
Also pick up a few NSIS suggestions from Ansariel Hiller.
This should eliminate any confusion due to a Standard user needing to elevate
to Admin privileges, since from that point on Windows tells the running
program the current user is that Admin. Bypass all that.
run the viewer from the installer.
Turns out that the peculiar indirection through explorer.exe was a known trick
for an elevated-privileges program to launch a program as the logged-in
Windows user. (They could have commented that...)
But explorer.exe doesn't pass command-line parameters, so if you want to pass
any such to the actual target program, you have to launch a shortcut with
those parameters.
But this target program (the updater) and its parameters (precheck mumble) are
specific to the very first viewer run after installation, so delete it after.
Having an additional permanent icon that always runs the updater before the
viewer would only confuse matters.
viewer_manifest.py was signing updater.exe within the package, and then
signing the installer executable itself, but not the actual viewer executable.
Add that.
process_directory() and process_file() are reached both from the top-level
caller (try_path(), a local function within LLManifest.path()) and recursively
from process_directory(). Both places tested os.path.isdir(source), and if so
called process_directory(), else process_file(). Both places were wrong, as it
turns out.
os.path.isdir(symlink_to_directory) returns True. That meant that despite
explicit logic in ccopymumble() to recreate symlinks in the destination area,
we were consistently recopying the contents of symlinked directories.
The downside to this -- in addition to inflating the size of the installer! --
is that macOS is very particular about the structure of a Framework bundle. It
*must* include a Versions/Current symlink identifying which of the other
Versions subdirectories is, in fact, current. If Current is itself a
subdirectory, codesign can't figure out how to sign the framework, and fails.
The logic for deciding between process_directory() and process_file() must
explicitly check for os.path.islink(source). Rather than replicating that
change in both places, introduce process_either() which decides how to forward
the call, and call it both from try_path() and from process_directory().