From d2cfebaad77a978ef2849cddc96740aef39c2d32 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 8 Oct 2016 15:30:50 +0100
Subject: [PATCH] New import: Introduce make_commit_text (nfc)

No callers yet.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 dgit | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/dgit b/dgit
index 5e852b60..b9b47eb3 100755
--- a/dgit
+++ b/dgit
@@ -1450,6 +1450,27 @@ sub make_commit ($) {
     return cmdoutput @git, qw(hash-object -w -t commit), $file;
 }
 
+sub make_commit_text ($) {
+    my ($text) = @_;
+    my ($out, $in);
+    my @cmd = (@git, qw(hash-object -w -t commit --stdin));
+    debugcmd "|",@cmd;
+    my $child = open2($out, $in, @cmd) or die $!;
+    my $h;
+    eval {
+	print $in $text or die $!;
+	close $in or die $!;
+	$h = <$out>;
+	$h =~ m/^\w+$/ or die;
+	$h = $&;
+	printdebug "=> $h\n";
+    };
+    close $out;
+    waitpid $child, 0 == $child or die "$child $!";
+    $? and failedcmd @cmd;
+    return $h;
+}
+
 sub clogp_authline ($) {
     my ($clogp) = @_;
     my $author = getfield $clogp, 'Maintainer';
-- 
2.30.2