From 24b9f4d8413731dbd02169a256e8129a1100e1d1 Mon Sep 17 00:00:00 2001
From: "Lucas C. Villa Real" <lucasvr@gmail.com>
Date: Wed, 21 Dec 2016 12:45:23 -0200
Subject: Improve the creation of /opt compatibility links.

---
 bin/InstallPackage-RPM | 65 ++++++++++++++++++++++++++++++--------------------
 1 file changed, 39 insertions(+), 26 deletions(-)

(limited to 'bin')

diff --git a/bin/InstallPackage-RPM b/bin/InstallPackage-RPM
index f68afa0..9dfc91e 100755
--- a/bin/InstallPackage-RPM
+++ b/bin/InstallPackage-RPM
@@ -64,13 +64,20 @@ function flatten_rpm() {
     Log_Normal "Flattening directory structure."
 
     function create_opt_links() {
-        local unmanagedopt="$1"
-        for pkgdir in $(basename ./opt/*)
+        local vendordir="$1"
+        local unmanagedopt="Resources/Unmanaged/opt"
+        for pkgdir in $(basename --multiple ./opt/$vendordir/*)
         do
-            mkdir -p "${unmanagedopt}/$pkgdir"
-            for optfile in $(ls | grep -v "^opt$")
+            mkdir ${verbose} -p "${unmanagedopt}/$vendordir/$pkgdir"
+            if [ -h "/opt/$vendordir/$pkgdir" ]
+            then
+                Log_Error "Too many programs are attempting to populate /opt/$vendordir/$pkgdir"
+                Log_Error "This feature is not supported by InstallPackage-RPM at this time."
+                continue
+            fi
+            for optfile in $(basename --multiple ./opt/$vendordir/$pkgdir/*)
             do
-                ln -fs $target/$optfile "${unmanagedopt}/$pkgdir/$optfile"
+                ln ${verbose} -fs $target/$optfile "${unmanagedopt}/$vendordir/$pkgdir/$optfile"
             done
         done
     }
@@ -78,61 +85,67 @@ function flatten_rpm() {
     function flatten_opt_1_level() {
         # Flatten 1-level dir: opt/pkgname/{bin,sbin,...}
         cp ${verbose} -a ./opt/*/* .
-        create_opt_links Resources/Unmanaged/opt/
+        create_opt_links ""
         realpath ./opt/* | sed "s,$(realpath $PWD),,g" >> Resources/UnmanagedFiles
     }
 
     function flatten_opt_2_levels() {
         # Flatten 2-levels dir: opt/vendorname/pkgname/{bin,sbin,...}
         cp ${verbose} -a ./opt/*/*/* .
-        for vendordir in $(basename ./opt/*)
+        for vendordir in $(basename --multiple ./opt/*)
         do
-            create_opt_links Resources/Unmanaged/opt/$vendordir
+            create_opt_links "$vendordir"
         done
         realpath ./opt/*/* | sed "s,$(realpath $PWD),,g" >> Resources/UnmanagedFiles
     }
 
     if [ -d "./usr" ]
     then
-        cp -a ./usr/* .
+        cp ${verbose} -a ./usr/* .
         rm -rf -- ./usr
     fi
     if [ -d "./etc" ]
     then
         mkdir -p Resources/Defaults/Settings
-        mv ./etc/* Resources/Defaults/Settings
+        mv ${verbose} ./etc/* Resources/Defaults/Settings
         rm -rf -- ./etc
     fi
+    if [ -d "./lib64" ]
+    then
+        Quiet rmdir lib
+        if [ ! -d "./lib" ]
+        then mv ./lib64 lib
+        fi
+    fi
+    if [ -d "./var" ]
+    then
+        mkdir -p Resources/Unmanaged/$goboVariable
+        find ./var | sed "s,./var,$goboVariable,g" >> Resources/UnmanagedFiles
+        mv ${verbose} ./var/* Resources/Unmanaged/$goboVariable
+        rm -rf -- ./var
+    fi
     if [ -d "./opt" ]
     then
+        # Prevent the creation of backlinks to directories that would be pruned later on
+        find share -type d | xargs rmdir -p --ignore-fail-on-non-empty
+        rmdir * 2> /dev/null
+
         rootdirs="^bin$\|^sbin$\|^lib$\|^lib64$\|^libexec$\|^include$\|^share$"
         mkdir -p Resources/Unmanaged/opt
         if ls ./opt/* 2> /dev/null | grep -q "$rootdirs"
         then
+            Log_Verbose "Flattening 1-level /opt directory"
             flatten_opt_1_level
         elif ls ./opt/*/* 2> /dev/null | grep -q "$rootdirs"
         then
+            Log_Verbose "Flattening 2-level /opt directory"
             flatten_opt_2_levels
         else
-            Log_Error "Could not determine this package's /opt structure, assuming 1-level"
-            flatten_opt_1_level
+            Log_Error "Could not determine this package's /opt structure, assuming 2-level"
+            flatten_opt_2_levels
         fi
         rm -rf -- ./opt
     fi
-    if [ -d "./lib64" ]
-    then
-        Quiet rmdir lib
-        if [ ! -d "./lib" ]
-        then mv ./lib64 lib
-        fi
-    fi
-    if [ -d "./var" ]
-    then
-        mkdir -p Resources/Unmanaged/$goboVariable
-        find ./var | sed "s,./var,$goboVariable,g" >> Resources/UnmanagedFiles
-        mv ./var/* Resources/Unmanaged/$goboVariable
-        rm -rf -- ./var
-    fi
     if [ -e Resources/UnmanagedFiles ]
     then
         # If multiple RPM files are being merged, then ensure we have no dups
-- 
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