raulcd commented on code in PR #47864:
URL: https://github.com/apache/arrow/pull/47864#discussion_r2448971904


##########
dev/tasks/linux-packages/apt/build.sh:
##########
@@ -93,6 +110,9 @@ fi
 # DEB_BUILD_OPTIONS="${DEB_BUILD_OPTIONS} noopt"
 export DEB_BUILD_OPTIONS
 df -h
+if [ "${REPROTEST:-no}" = "yes" ]; then
+  run reprotest --verbosity 2 
--vary=-kernel,-fileordering,-domain_host,-build_path -s .. ./reprotest.sh 
**.deb

Review Comment:
   I am currently investigating why if `build_path` is exercised, basically 
applying the following diff:
   ```suggestion
     run reprotest --verbosity 2 --vary=-kernel,-fileordering,-domain_host -s 
.. ./reprotest.sh **.deb
   ```
   The binaries generated (`**.deb`) are not reproducible, I've tried different 
approaches like:
   ```diff
   diff --git a/dev/tasks/linux-packages/apache-arrow/debian/rules 
b/dev/tasks/linux-packages/apache-arrow/debian/rules
   index 19dba393b1..17ef34fc4b 100755
   --- a/dev/tasks/linux-packages/apache-arrow/debian/rules
   +++ b/dev/tasks/linux-packages/apache-arrow/debian/rules
   @@ -6,7 +6,7 @@
    # This has to be exported to make some magic below work.
    export DH_OPTIONS
    
   -export DEB_BUILD_MAINT_OPTIONS=reproducible=-timeless
   +export DEB_BUILD_MAINT_OPTIONS= hardening=+all 
reproducible=-timeless,+fixfilepath
    
    BUILD_TYPE=relwithdebinfo
    
   @@ -31,6 +31,7 @@ override_dh_auto_configure:
             --builddirectory=cpp_build                            \
             --buildsystem=cmake+ninja                             \
             --                                                    \
   +         $(shell dpkg-buildflags --export=configure)                   \
             -DARROW_AZURE=$${ARROW_AZURE}                         \
             -DARROW_BUILD_UTILITIES=ON                            \
             -DARROW_COMPUTE=ON                                    \
   ```
   but no luck so far. More info about `build_path` in reproducible builds:
   https://reproducible-builds.org/docs/build-path/



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