Don't look for git or try to use it to divine the commit or tag name. This will
not work because we are not building in a git clone. The Portfile will replace
the @GIT_DESCRIBE@ placeholder with the correct value.

https://codeberg.org/tenacityteam/tenacity/issues/397
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -2,7 +2,6 @@
 # generator expressions and the use of precompiled headers
 cmake_minimum_required( VERSION 3.16 )
 
-find_package(Git)
 
 if(WIN32 OR APPLE)
   option(VCPKG "Use vcpkg for dependencies" ON)
@@ -289,9 +288,8 @@ endif()
 set( TENACITY_VERSION 1 )
 set( TENACITY_RELEASE 3 )
 set( TENACITY_REVISION 3 )
-set( GIT_DESCRIBE "unknown" )
-find_package( Git QUIET )
-if( GIT_FOUND )
+set( GIT_DESCRIBE "@GIT_DESCRIBE@" )
+if( FALSE )
     execute_process(
         COMMAND
             ${GIT_EXECUTABLE} describe --abbrev=7 --tags
--- src/CMakeLists.txt.orig
+++ src/CMakeLists.txt
@@ -23,7 +23,7 @@ if( DEFINED TENACITY_REV_LONG AND DEFINED AUDACITY_REV_TIME )
    file( WRITE "${_PRVDIR}/RevisionIdent.h"
       "#define REV_LONG \"${TENACITY_REV_LONG}\"\n#define REV_TIME \"${TENACITY_REV_TIME}\"\n"
    )
-elseif( GIT_FOUND )
+elseif( FALSE )
    add_custom_target(
       version
       COMMAND