From e6447b8a9ffd354549827e90e8bec007e703374d Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter@eisentraut.org>
Date: Sun, 11 Feb 2024 23:58:42 +0100
Subject: [PATCH v3 1/2] make dist uses git archive

Discussion: https://www.postgresql.org/message-id/flat/40e80f77-a294-4f29-a16f-e21bc7bc75fc%40eisentraut.org
---
 GNUmakefile.in | 34 ++++++++++++---------------------
 meson.build    | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+), 22 deletions(-)

diff --git a/GNUmakefile.in b/GNUmakefile.in
index eba569e930e..73560ea7d0a 100644
--- a/GNUmakefile.in
+++ b/GNUmakefile.in
@@ -87,29 +87,19 @@ 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
+
+.PHONY: check-dirty-index
+check-dirty-index:
+	$(GIT) -C $(srcdir) diff-index --quiet HEAD
+
+$(distdir).tar.gz: check-dirty-index
+	$(GIT) -C $(srcdir) -c core.autocrlf=false archive --format tar.gz --prefix $(distdir)/ HEAD -o $(abs_top_builddir)/$@
+
+$(distdir).tar.bz2: check-dirty-index
+	$(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 8ed51b6aae8..5d68c66ac0a 100644
--- a/meson.build
+++ b/meson.build
@@ -3352,6 +3352,58 @@ run_target('help',
 
 
 
+###############################################################
+# Distribution archive
+###############################################################
+
+git = find_program('git', required: false, native: true)
+bzip2 = find_program('bzip2', required: false, native: true)
+
+distdir = meson.project_name() + '-' + meson.project_version()
+
+check_dirty_index = run_target('check-dirty-index',
+  command: [git, '-C', '@SOURCE_ROOT@', 'diff-index', '--quiet', 'HEAD'])
+
+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: ['sh', '-c', 'exit 1'],
+    output: distdir + '.tar.bz2',
+  )
+endif
+
+# FIXME: would like to add check_dirty_index here, broken(?) before
+# meson 0.60.0
+alias_target('pgdist', [tar_gz, tar_bz2])
+
+
+
 ###############################################################
 # The End, The End, My Friend
 ###############################################################

base-commit: ce571434ae7027462565706236a0c6fbdf603734
-- 
2.43.1