On 22.03.24 18:29, Tristan Partin wrote:
On Thu Mar 21, 2024 at 3:44 AM CDT, Peter Eisentraut wrote:
Here is an updated version of this patch set.

You should add 'disabler: true' to the git find_program in Meson. If Git doesn't exist on the system with the way your patch is currently written, the targets would be defined, even though they would never succeed.

Ok, added. (I had it in there in an earlier version, but I think I misread one of your earlier messages and removed it.)

You may also want to make sure that we are actually in a Git repository. I don't think git-archive works outside one.

Then git archive will print an error.  That seems ok.

Re the autoclrf, is this something we could throw in a .gitattributes files?

We don't want to apply it to all git commands, just this one in this context.

I would suggest poisoning `meson dist` in the following way:

if not meson.is_subproject()
[...]
     meson.add_dist_script(perl, '-e', 'exit 1')
endif

Good idea, added that.

I have extracted the freebsd CI script fix into a separate patch (0002).   I think this is useful even if we don't take the full CI patch (0003).

0002 looks pretty reasonable to me.

Committed that one in the meantime.
From 680967a621083756e1e182df7394a739008a21d6 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <pe...@eisentraut.org>
Date: Sun, 11 Feb 2024 23:58:42 +0100
Subject: [PATCH v5 1/2] make dist uses git archive

This changes "make dist" to directly use "git archive", rather than
the custom shell script it currently runs.

This is to make the creation of the distribution tarball more directly
traceable to the git repository.  That is why we removed the "make
distprep" step.

"make dist" continues to produce a .gz and a .bz2 tarball as before.

The archives produced this way are deterministic and reproducible,
meaning for a given commit the result file should always be
bit-for-bit identical.  The exception is that if you use a git version
older than 2.38.0, gzip records the platform in the archive, so you'd
get a different output on Windows vs. macOS vs. "UNIX" (everything
else).  In git 2.38.0, this was changed so that everything is recorded
as "UNIX" now.  This is just something to keep in mind.  This issue is
specific to the gzip format, it does not affect other compression
formats.

Meson has its own distribution building command (meson dist), but we
are not using that at this point.  The main problem is that the way
they have implemented it, it is not deterministic in the above sense.
Also, we want a "make" version for the time being.  But the target
name "dist" in meson is reserved for that reason, so we call the
custom target "pgdist" (so call something like "meson compile -C build
pgdist").

Discussion: 
https://www.postgresql.org/message-id/flat/40e80f77-a294-4f29-a16f-e21bc7bc75fc%40eisentraut.org
---
 GNUmakefile.in | 35 ++++++++++----------------
 meson.build    | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 79 insertions(+), 22 deletions(-)

diff --git a/GNUmakefile.in b/GNUmakefile.in
index 4d8fc794bbb..4dc13a3e2ea 100644
--- a/GNUmakefile.in
+++ b/GNUmakefile.in
@@ -87,29 +87,20 @@ update-unicode: | submake-generated-headers 
submake-libpgport
 distdir        = postgresql-$(VERSION)
 dummy  = =install=
 
+GIT = git
+
 dist: $(distdir).tar.gz $(distdir).tar.bz2
-       rm -rf $(distdir)
-
-$(distdir).tar: distdir
-       $(TAR) chf $@ $(distdir)
-
-.INTERMEDIATE: $(distdir).tar
-
-distdir-location:
-       @echo $(distdir)
-
-distdir:
-       rm -rf $(distdir)* $(dummy)
-       for x in `cd $(top_srcdir) && find . \( -name CVS -prune \) -o \( -name 
.git -prune \) -o -print`; do \
-         file=`expr X$$x : 'X\./\(.*\)'`; \
-         if test -d "$(top_srcdir)/$$file" ; then \
-           mkdir "$(distdir)/$$file" && chmod 777 "$(distdir)/$$file"; \
-         else \
-           ln "$(top_srcdir)/$$file" "$(distdir)/$$file" >/dev/null 2>&1 \
-             || cp "$(top_srcdir)/$$file" "$(distdir)/$$file"; \
-         fi || exit; \
-       done
-       $(MAKE) -C $(distdir) distclean
+
+# Note: core.autocrlf=false is needed to avoid line-ending conversion
+# in case the environment has a different setting.  Without this, a
+# tarball created on Windows might be different than on, and unusable
+# on, Unix machines.
+
+$(distdir).tar.gz:
+       $(GIT) -C $(srcdir) -c core.autocrlf=false archive --format tar.gz 
--prefix $(distdir)/ HEAD -o $(abs_top_builddir)/$@
+
+$(distdir).tar.bz2:
+       $(GIT) -C $(srcdir) -c core.autocrlf=false -c 
tar.tar.bz2.command='$(BZIP2) -c' archive --format tar.bz2 --prefix $(distdir)/ 
HEAD -o $(abs_top_builddir)/$@
 
 distcheck: dist
        rm -rf $(dummy)
diff --git a/meson.build b/meson.build
index c8fdfeb0ec3..4981447414f 100644
--- a/meson.build
+++ b/meson.build
@@ -3359,6 +3359,72 @@ run_target('help',
 
 
 
+###############################################################
+# Distribution archive
+###############################################################
+
+# Meson has its own distribution building command (meson dist), but we
+# are not using that at this point.  The main problem is that the way
+# they have implemented it, it is not deterministic.  Also, we want it
+# to be equivalent to the "make" version for the time being.  But the
+# target name "dist" in meson is reserved for that reason, so we call
+# the custom target "pgdist".
+
+git = find_program('git', required: false, native: true, disabler: true)
+bzip2 = find_program('bzip2', required: false, native: true)
+
+distdir = meson.project_name() + '-' + meson.project_version()
+
+# Note: core.autocrlf=false is needed to avoid line-ending conversion
+# in case the environment has a different setting.  Without this, a
+# tarball created on Windows might be different than on, and unusable
+# on, Unix machines.
+
+tar_gz = custom_target('tar.gz',
+  build_always_stale: true,
+  command: [git, '-C', '@SOURCE_ROOT@',
+            '-c', 'core.autocrlf=false',
+            'archive',
+            '--format', 'tar.gz',
+            '--prefix', distdir + '/',
+            '-o', join_paths(meson.build_root(), '@OUTPUT@'),
+            'HEAD', '.'],
+  install: false,
+  output: distdir + '.tar.gz',
+)
+
+if bzip2.found()
+  tar_bz2 = custom_target('tar.bz2',
+    build_always_stale: true,
+    command: [git, '-C', '@SOURCE_ROOT@',
+              '-c', 'core.autocrlf=false',
+              '-c', 'tar.tar.bz2.command="' + bzip2.path() + '" -c',
+              'archive',
+              '--format', 'tar.bz2',
+              '--prefix', distdir + '/',
+              '-o', join_paths(meson.build_root(), '@OUTPUT@'),
+              'HEAD', '.'],
+    install: false,
+    output: distdir + '.tar.bz2',
+  )
+else
+  tar_bz2 = custom_target('tar.bz2',
+    command: [perl, '-e', 'exit 1'],
+    output: distdir + '.tar.bz2',
+  )
+endif
+
+alias_target('pgdist', [tar_gz, tar_bz2])
+
+# Make the standard "dist" command fail, to prevent accidental use.
+# But not if we are in a subproject, in case the parent project wants to
+# create a dist using the standard Meson command.
+if not meson.is_subproject()
+  meson.add_dist_script(perl, '-e', 'exit 1')
+endif
+
+
+
 ###############################################################
 # The End, The End, My Friend
 ###############################################################

base-commit: fc2d260c7e6236fe2447dad0f8415e72f4be66a2
-- 
2.44.0

From 32cf0bbe02a5378075ec4a368edc2a2d274fe602 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <pe...@eisentraut.org>
Date: Thu, 21 Mar 2024 09:23:13 +0100
Subject: [PATCH v5 2/2] ci: Add dist building

XXX only for testing
---
 .cirrus.tasks.yml | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/.cirrus.tasks.yml b/.cirrus.tasks.yml
index 1adfdfdd456..38c5cc54311 100644
--- a/.cirrus.tasks.yml
+++ b/.cirrus.tasks.yml
@@ -202,6 +202,11 @@ task:
       build/tmp_install/usr/local/pgsql/bin/pg_ctl -D build/runningcheck stop
     EOF
 
+  dist_script: |
+    su postgres -c 'meson compile -C build -v pgdist'
+  tar_artifacts:
+    path: "build*/*.tar.*"
+
   on_failure:
     # if the server continues running, it often causes cirrus-ci to fail
     # during upload, as it doesn't expect artifacts to change size
@@ -345,6 +350,10 @@ task:
           make -s ${CHECK} ${CHECKFLAGS} -j${TEST_JOBS}
         EOF
 
+      dist_script: su postgres -c "make dist -j${BUILD_JOBS}"
+      tar_artifacts:
+        path: "build*/*.tar.*"
+
       on_failure:
         <<: *on_failure_ac
 
@@ -403,6 +412,10 @@ task:
           PYTHONCOERCECLOCALE=0 LANG=C meson test $MTEST_ARGS -C build-32 
--num-processes ${TEST_JOBS}
         EOF
 
+      dist_script: su postgres -c 'meson compile -C build-32 -v pgdist'
+      tar_artifacts:
+        path: "build*/*.tar.*"
+
       on_failure:
         <<: *on_failure_meson
 
@@ -498,6 +511,10 @@ task:
     ulimit -n 1024 # default is 256, pretty low
     meson test $MTEST_ARGS --num-processes ${TEST_JOBS}
 
+  dist_script: meson compile -C build -v pgdist
+  tar_artifacts:
+    path: "build*/*.tar.*"
+
   on_failure:
     <<: *on_failure_meson
     cores_script: src/tools/ci/cores_backtrace.sh macos "${HOME}/cores"
@@ -569,6 +586,12 @@ task:
     vcvarsall x64
     meson test %MTEST_ARGS% --num-processes %TEST_JOBS%
 
+  dist_script: |
+    vcvarsall x64
+    meson compile -C build -v pgdist
+  tar_artifacts:
+    path: "build*/*.tar.*"
+
   on_failure:
     <<: *on_failure_meson
     crashlog_artifacts:
@@ -629,6 +652,11 @@ task:
   test_world_script: |
     %BASH% -c "meson test %MTEST_ARGS% --num-processes %TEST_JOBS%"
 
+  dist_script: |
+    %BASH% -c "meson compile -C build -v pgdist"
+  tar_artifacts:
+    path: "build*/*.tar.*"
+
   on_failure:
     <<: *on_failure_meson
     crashlog_artifacts:
-- 
2.44.0

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