From f57b469c29bd6f3cde1ea7f7b153b6f5beec583e Mon Sep 17 00:00:00 2001
From: olszomal <Malgorzata.Olszowka@stunnel.org>
Date: Thu, 1 Dec 2022 11:42:13 +0100
Subject: [PATCH] Add an option override the autodetected directory for
 installing bash completions

---
 README.md                     |  1 +
 cmake/SetBashCompletion.cmake | 14 ++++++++++----
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index f7739cd..6658d63 100644
--- a/README.md
+++ b/README.md
@@ -60,6 +60,7 @@ You may need to use `cmake3` instead of `cmake` to complete the following steps
   -DCMAKE_C_COMPILER=clang
   -DCMAKE_PREFIX_PATH=[openssl directory];[curl directory]
   -DCMAKE_INSTALL_PREFIX=[installation directory]
+  -DBASH_COMPLETION_USER_DIR=[bash completion installation directory]
 
 ```
 * Then call that build system to actually compile/link the osslsigncode project (alias `make`):
diff --git a/cmake/SetBashCompletion.cmake b/cmake/SetBashCompletion.cmake
index b47cc08..f1ebfee 100644
--- a/cmake/SetBashCompletion.cmake
+++ b/cmake/SetBashCompletion.cmake
@@ -1,13 +1,19 @@
 if(NOT MSVC)
   find_package(bash-completion QUIET)
+
+  if(BASH_COMPLETION_USER_DIR)
+    set(BASH_COMPLETION_COMPLETIONSDIR ${BASH_COMPLETION_USER_DIR}/bash-completion/completions)
+  endif(BASH_COMPLETION_USER_DIR)
+
   if(NOT BASH_COMPLETION_COMPLETIONSDIR)
     if(BASH_COMPLETION_COMPATDIR)
       set(BASH_COMPLETION_COMPLETIONSDIR ${BASH_COMPLETION_COMPATDIR})
-    else()
+    else(BASH_COMPLETION_COMPATDIR)
       set(SHAREDIR "${CMAKE_INSTALL_PREFIX}/share")
       set(BASH_COMPLETION_COMPLETIONSDIR "${SHAREDIR}/bash-completion/completions")
-    endif()
-  endif()
+    endif(BASH_COMPLETION_COMPATDIR)
+  endif(NOT BASH_COMPLETION_COMPLETIONSDIR)
+
   message(STATUS "Using bash completions dir ${BASH_COMPLETION_COMPLETIONSDIR}")
   install(FILES "osslsigncode.bash" DESTINATION ${BASH_COMPLETION_COMPLETIONSDIR})
-endif()
+endif(NOT MSVC)