Upgrading seems to work but warning about missing files

1 files changed, 33 insertions, 4 deletions

diff --git a/swift-lang.spec b/swift-lang.spec
index 13fb594..7f8a450 100644
--- a/swift-lang.spec
+++ b/swift-lang.spec
@@ -210,11 +210,41 @@ mkdir -p %{buildroot}%{_mandir}/man1
 install -m 0644 %{_builddir}/usr/share/man/man1/swift.1 %{buildroot}%{_mandir}/man1
 
 
+# This is necessary because in Swift 4 the directories
+# under clang were actual directories. In 5 Apple added
+# an additional layer of indirection, to the compiler
+# version, with the previous directories relocated there.
+# Apparently there is an issue with rpm being able to 
+# replace directories with something else (in this case,
+# symlinks), thus making this pre-installation step
+# necessary when upgrading from 4.x to 5.
+%pretrans -p <lua>
+path = "/usr/lib/swift/clang"
+subdirs = {"include", "lib", "share"}
+st = posix.stat(path)
+if st and st.type == "directory" then
+    for _, dir in ipairs(subdirs) do
+        fullDir = path .. "/" .. dir
+        status = os.rename(fullDir, fullDir .. ".rpmmoved")
+        if not status then
+            suffix = 0
+            while not status do
+              suffix = suffix + 1
+              status = os.rename(path .. ".rpmmoved", path .. ".rpmmoved." .. suffix)
+            end
+            os.rename(path, path .. ".rpmmoved")
+        end
+    end
+end
+
+
 %files
 %license swift/LICENSE.txt
 %{_bindir}/swift*
 %{_mandir}/man1/*
-#/usr/lib/swift/
+%ghost /usr/lib/swift/clang/include.rpmmoved
+%ghost /usr/lib/swift/clang/lib.rpmmoved
+%ghost /usr/lib/swift/clang/share.rpmmoved
 /usr/lib/swift-lldb/
 /usr/lib/swift/Block/
 /usr/lib/swift/CoreFoundation/
@@ -230,7 +260,6 @@ install -m 0644 %{_builddir}/usr/share/man/man1/swift.1 %{buildroot}%{_mandir}/m
 
 
 %files runtime
-#/usr/lib/swift/
 /usr/lib/swift/linux/libBlocksRuntime.so
 /usr/lib/swift/linux/libdispatch.so
 /usr/lib/swift/linux/libFoundation.so
@@ -242,9 +271,9 @@ install -m 0644 %{_builddir}/usr/share/man/man1/swift.1 %{buildroot}%{_mandir}/m
 /usr/lib/swift/linux/libswiftSwiftOnoneSupport.so
 /usr/lib/swift/linux/libXCTest.so
 %ifarch aarch64
-/usr/lib/swift/linux/aarch64/*
+/usr/lib/swift/linux/aarch64/
 %else
-/usr/lib/swift/linux/x86_64/*
+/usr/lib/swift/linux/x86_64/
 %endif
 %{_sysconfdir}/ld.so.conf.d/swift-lang-runtime.conf