From 9568d5bb737eb468e87fd43f21404e2def101e30 Mon Sep 17 00:00:00 2001
From: Albrecht Schlosser <albrechts.fltk@online.de>
Date: Mon, 12 Aug 2024 19:58:32 +0200
Subject: Display Git revision in docs generated from releases (#499)

 - makesrcdist: store Git revision in a file in the tarball
 - CMake/resources.cmake: get git revision either from Git or file and
   store it as CMake cache variable 'FLTK_GIT_REVISION' for reference
 - documentation/*: get git revision from git or file
 - fluid/documentation/*: get git revision from git or file
---
 fluid/documentation/CMakeLists.txt         | 21 ---------------------
 fluid/documentation/generated.dox.in       |  4 ++--
 fluid/documentation/src/fluid-title.tex.in |  2 +-
 3 files changed, 3 insertions(+), 24 deletions(-)

(limited to 'fluid')

diff --git a/fluid/documentation/CMakeLists.txt b/fluid/documentation/CMakeLists.txt
index fb2fac442..fccdeac97 100644
--- a/fluid/documentation/CMakeLists.txt
+++ b/fluid/documentation/CMakeLists.txt
@@ -15,7 +15,6 @@
 #
 
 set(DOCS)
-set(GIT_REVISION "")
 set(YEAR "")
 set(CURRENT_DATE "")
 
@@ -38,26 +37,6 @@ if(FLTK_BUILD_FLUID_DOCS OR FLTK_BUILD_PDF_DOCS)
     OUTPUT_STRIP_TRAILING_WHITESPACE
   )
 
-  # find git revision
-
-  # FIXME: This must also work with tarballs where git is not available.
-  #        For now we just ignore errors and set GIT_REVISION = "unknown".
-  #        In the future tarball/zip generation should create a file
-  #        that contains the git revision.
-
-  execute_process(COMMAND
-    git rev-parse --short=10 HEAD
-    OUTPUT_VARIABLE GIT_REVISION
-    OUTPUT_STRIP_TRAILING_WHITESPACE
-    WORKING_DIRECTORY ${FLTK_SOURCE_DIR}
-    ERROR_QUIET
-  )
-
-  # set to "'unknown'" if git is not available
-  if(GIT_REVISION STREQUAL "")
-    set(GIT_REVISION "'unknown'")
-  endif()
-
   # Find "short" doxygen version if it was built from Git
   # Note: this is still needed in CMake 3.12.0 but later CMake versions
   #       (notably 3.25) remove the Git revision in 'DOXYGEN_VERSION'.
diff --git a/fluid/documentation/generated.dox.in b/fluid/documentation/generated.dox.in
index 9ab6987e0..75f8dfc1e 100644
--- a/fluid/documentation/generated.dox.in
+++ b/fluid/documentation/generated.dox.in
@@ -1,6 +1,6 @@
 <br>
 <small>
   Generated on @CURRENT_DATE@
-  from Git revision @GIT_REVISION@
-  by Doxygen @DOXYGEN_VERSION_SHORT@
+  from Git revision '@FLTK_GIT_REVISION@'
+  by Doxygen version '@DOXYGEN_VERSION_SHORT@'
 </small>
diff --git a/fluid/documentation/src/fluid-title.tex.in b/fluid/documentation/src/fluid-title.tex.in
index f0036d417..294d82779 100644
--- a/fluid/documentation/src/fluid-title.tex.in
+++ b/fluid/documentation/src/fluid-title.tex.in
@@ -27,7 +27,7 @@ provided this copyright and permission notice are preserved.}\\
 \vspace*{0.5cm}
 \today{}\\
 \vspace*{0.5cm}
-{\small Git revision @GIT_REVISION@}\\
+{\small Git revision '@FLTK_GIT_REVISION@'}\\
 \end{center}
 \end{titlepage}
 %
-- 
cgit v1.2.3