From 2ae58700a37a0a9f1c5cad527e89bd00fc586858 Mon Sep 17 00:00:00 2001
From: Andres Freund <andres@anarazel.de>
Date: Sat, 27 May 2023 11:38:27 -0700
Subject: [PATCH v1] add meson target to run pgindent

Author:
Reviewed-By:
Discussion: https://postgr.es/m/
Backpatch:
---
 meson.build                 | 12 ++++++++++++
 src/tools/pgindent/pgindent | 12 ++++++++++--
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/meson.build b/meson.build
index 16b2e866462..1c7ed9c87f9 100644
--- a/meson.build
+++ b/meson.build
@@ -3005,7 +3005,19 @@ run_target('install-test-files',
   depends: testprep_targets,
 )
 
+indent_base = [perl, files('src/tools/pgindent/pgindent'),
+    '--indent', pg_bsd_indent.full_path(),
+    '--sourcetree=@SOURCE_ROOT@']
 
+run_target('indent-head',
+  command: indent_base + ['--commit=HEAD'],
+  depends: pg_bsd_indent
+)
+
+run_target('indent-tree',
+  command: indent_base + ['.'],
+  depends: pg_bsd_indent
+)
 
 ###############################################################
 # Test prep
diff --git a/src/tools/pgindent/pgindent b/src/tools/pgindent/pgindent
index bce63d95daf..08b0c95814f 100755
--- a/src/tools/pgindent/pgindent
+++ b/src/tools/pgindent/pgindent
@@ -23,7 +23,7 @@ my $devnull = File::Spec->devnull;
 
 my ($typedefs_file, $typedef_str, @excludes,
 	$indent, $build, $show_diff,
-	$silent_diff, $help, @commits,);
+	$silent_diff, $sourcetree, $help, @commits,);
 
 $help = 0;
 
@@ -35,7 +35,8 @@ my %options = (
 	"excludes=s" => \@excludes,
 	"indent=s" => \$indent,
 	"show-diff" => \$show_diff,
-	"silent-diff" => \$silent_diff,);
+	"silent-diff" => \$silent_diff,
+	"sourcetree=s" => \$sourcetree);
 GetOptions(%options) || usage("bad command line argument");
 
 usage() if $help;
@@ -53,6 +54,13 @@ $typedefs_file ||= $ENV{PGTYPEDEFS};
 # get indent location for environment or default
 $indent ||= $ENV{PGINDENT} || $ENV{INDENT} || "pg_bsd_indent";
 
+# When invoked from the build directory, change into source tree, otherwise
+# the heuristics in locate_sourcedir() don't work.
+if (defined $sourcetree)
+{
+	chdir $sourcetree;
+}
+
 my $sourcedir = locate_sourcedir();
 
 # if it's the base of a postgres tree, we will exclude the files
-- 
2.37.1.188.g71a8fab31b