From c112f689c2c4dfbf2e4dca0e91aa527dd96ab333 Mon Sep 17 00:00:00 2001
From: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Date: Sun, 4 Mar 2007 00:12:06 +0100
Subject: [PATCH 1/2] format-patch: add --inline option and make --attach a
 true attachment

The existing --attach option did not create a true "attachment"
but multipart/mixed with Content-Disposition: inline.  It should
have been with Content-Disposition: attachment.

Introduce --inline to add multipart/mixed that is inlined, and
make --attach to create an attachement.

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
---
 Documentation/git-format-patch.txt            |  14 +-
 builtin-log.c                                 |  16 +-
 log-tree.c                                    |   6 +-
 revision.h                                    |   1 +
 t/t4013-diff-various.sh                       |   3 +
 ...at-patch_--attach_--stdout_initial..master |   6 +-
 ...t-patch_--attach_--stdout_initial..master^ |   4 +-
 ...rmat-patch_--attach_--stdout_initial..side |   2 +-
 ...at-patch_--inline_--stdout_initial..master | 173 ++++++++++++++++++
 ...t-patch_--inline_--stdout_initial..master^ | 112 ++++++++++++
 ...rmat-patch_--inline_--stdout_initial..side |  62 +++++++
 11 files changed, 386 insertions(+), 13 deletions(-)
 create mode 100644 t/t4013/diff.format-patch_--inline_--stdout_initial..master
 create mode 100644 t/t4013/diff.format-patch_--inline_--stdout_initial..master^
 create mode 100644 t/t4013/diff.format-patch_--inline_--stdout_initial..side

diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt
index 59f34b9f0..dfdb65290 100644
--- a/Documentation/git-format-patch.txt
+++ b/Documentation/git-format-patch.txt
@@ -9,7 +9,8 @@ git-format-patch - Prepare patches for e-mail submission
 SYNOPSIS
 --------
 [verse]
-'git-format-patch' [-n | -k] [-o <dir> | --stdout] [--attach] [--thread]
+'git-format-patch' [-n | -k] [-o <dir> | --stdout] [--thread]
+	           [--attach[=<boundary>] | --inline[=<boundary>]]
 	           [-s | --signoff] [--diff-options] [--start-number <n>]
 		   [--in-reply-to=Message-Id] [--suffix=.<sfx>]
 		   [--ignore-if-in-upstream]
@@ -68,8 +69,15 @@ OPTIONS
 	Print all commits to the standard output in mbox format,
 	instead of creating a file for each one.
 
---attach::
-	Create attachments instead of inlining patches.
+--attach[=<boundary>]::
+	Create multipart/mixed attachment, the first part of
+	which is the commit message and the patch itself in the
+	second part, with "Content-Disposition: attachment".
+
+--inline[=<boundary>]::
+	Create multipart/mixed attachment, the first part of
+	which is the commit message and the patch itself in the
+	second part, with "Content-Disposition: inline".
 
 --thread::
 	Add In-Reply-To and References headers to make the second and
diff --git a/builtin-log.c b/builtin-log.c
index 1c9f7d02a..865832c85 100644
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -482,10 +482,22 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
 			memcpy(add_signoff, committer, endpos - committer + 1);
 			add_signoff[endpos - committer + 1] = 0;
 		}
-		else if (!strcmp(argv[i], "--attach"))
+		else if (!strcmp(argv[i], "--attach")) {
 			rev.mime_boundary = git_version_string;
-		else if (!prefixcmp(argv[i], "--attach="))
+			rev.no_inline = 1;
+		}
+		else if (!prefixcmp(argv[i], "--attach=")) {
+			rev.mime_boundary = argv[i] + 9;
+			rev.no_inline = 1;
+		}
+		else if (!strcmp(argv[i], "--inline")) {
+			rev.mime_boundary = git_version_string;
+			rev.no_inline = 0;
+		}
+		else if (!prefixcmp(argv[i], "--inline=")) {
 			rev.mime_boundary = argv[i] + 9;
+			rev.no_inline = 0;
+		}
 		else if (!strcmp(argv[i], "--ignore-if-in-upstream"))
 			ignore_if_in_upstream = 1;
 		else if (!strcmp(argv[i], "--thread"))
diff --git a/log-tree.c b/log-tree.c
index 6ce239d8f..7b3ad7d5f 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -205,10 +205,12 @@ void show_log(struct rev_info *opt, const char *sep)
 				 "Content-Type: text/x-patch;\n"
 				 " name=\"%s.diff\"\n"
 				 "Content-Transfer-Encoding: 8bit\n"
-				 "Content-Disposition: inline;\n"
+				 "Content-Disposition: %s;\n"
 				 " filename=\"%s.diff\"\n\n",
 				 mime_boundary_leader, opt->mime_boundary,
-				 sha1, sha1);
+				 sha1,
+				 opt->no_inline ? "attachment" : "inline",
+				 sha1);
 			opt->diffopt.stat_sep = buffer;
 		}
 	} else if (opt->commit_format != CMIT_FMT_USERFORMAT) {
diff --git a/revision.h b/revision.h
index 5fec1846f..cf3371360 100644
--- a/revision.h
+++ b/revision.h
@@ -74,6 +74,7 @@ struct rev_info {
 	const char	*add_signoff;
 	const char	*extra_headers;
 	const char	*log_reencode;
+	int		no_inline;
 
 	/* Filter by commit log message */
 	struct grep_opt	*grep_filter;
diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
index 3d85ceaae..28787a11f 100755
--- a/t/t4013-diff-various.sh
+++ b/t/t4013-diff-various.sh
@@ -238,6 +238,9 @@ format-patch --stdout initial..master
 format-patch --attach --stdout initial..side
 format-patch --attach --stdout initial..master^
 format-patch --attach --stdout initial..master
+format-patch --inline --stdout initial..side
+format-patch --inline --stdout initial..master^
+format-patch --inline --stdout initial..master
 
 diff --abbrev initial..side
 diff -r initial..side
diff --git a/t/t4013/diff.format-patch_--attach_--stdout_initial..master b/t/t4013/diff.format-patch_--attach_--stdout_initial..master
index e5ddd6fcb..33ce92d45 100644
--- a/t/t4013/diff.format-patch_--attach_--stdout_initial..master
+++ b/t/t4013/diff.format-patch_--attach_--stdout_initial..master
@@ -24,7 +24,7 @@ This is the second commit.
 Content-Type: text/x-patch;
  name="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: inline;
+Content-Disposition: attachment;
  filename="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
 
 diff --git a/dir/sub b/dir/sub
@@ -83,7 +83,7 @@ Content-Transfer-Encoding: 8bit
 Content-Type: text/x-patch;
  name="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: inline;
+Content-Disposition: attachment;
  filename="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
 
 diff --git a/dir/sub b/dir/sub
@@ -133,7 +133,7 @@ Content-Transfer-Encoding: 8bit
 Content-Type: text/x-patch;
  name="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: inline;
+Content-Disposition: attachment;
  filename="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
 
 diff --git a/dir/sub b/dir/sub
diff --git a/t/t4013/diff.format-patch_--attach_--stdout_initial..master^ b/t/t4013/diff.format-patch_--attach_--stdout_initial..master^
index d0dd19b62..d97625a50 100644
--- a/t/t4013/diff.format-patch_--attach_--stdout_initial..master^
+++ b/t/t4013/diff.format-patch_--attach_--stdout_initial..master^
@@ -24,7 +24,7 @@ This is the second commit.
 Content-Type: text/x-patch;
  name="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: inline;
+Content-Disposition: attachment;
  filename="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
 
 diff --git a/dir/sub b/dir/sub
@@ -83,7 +83,7 @@ Content-Transfer-Encoding: 8bit
 Content-Type: text/x-patch;
  name="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: inline;
+Content-Disposition: attachment;
  filename="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
 
 diff --git a/dir/sub b/dir/sub
diff --git a/t/t4013/diff.format-patch_--attach_--stdout_initial..side b/t/t4013/diff.format-patch_--attach_--stdout_initial..side
index 67a95c5cb..0b6853d92 100644
--- a/t/t4013/diff.format-patch_--attach_--stdout_initial..side
+++ b/t/t4013/diff.format-patch_--attach_--stdout_initial..side
@@ -22,7 +22,7 @@ Content-Transfer-Encoding: 8bit
 Content-Type: text/x-patch;
  name="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: inline;
+Content-Disposition: attachment;
  filename="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
 
 diff --git a/dir/sub b/dir/sub
diff --git a/t/t4013/diff.format-patch_--inline_--stdout_initial..master b/t/t4013/diff.format-patch_--inline_--stdout_initial..master
new file mode 100644
index 000000000..68c98842d
--- /dev/null
+++ b/t/t4013/diff.format-patch_--inline_--stdout_initial..master
@@ -0,0 +1,173 @@
+$ git format-patch --inline --stdout initial..master
+From 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44 Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:01:00 +0000
+Subject: [PATCH] Second
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+
+
+This is the second commit.
+---
+ dir/sub |    2 ++
+ file0   |    3 +++
+ file2   |    3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+ delete mode 100644 file2
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+
+--------------g-i-t--v-e-r-s-i-o-n--
+
+
+
+From 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0 Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:02:00 +0000
+Subject: [PATCH] Third
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+
+---
+ dir/sub |    2 ++
+ file1   |    3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ create mode 100644 file1
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+--------------g-i-t--v-e-r-s-i-o-n--
+
+
+
+From c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:03:00 +0000
+Subject: [PATCH] Side
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+
+---
+ dir/sub |    2 ++
+ file0   |    3 +++
+ file3   |    4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+--------------g-i-t--v-e-r-s-i-o-n--
+
+
+$
diff --git a/t/t4013/diff.format-patch_--inline_--stdout_initial..master^ b/t/t4013/diff.format-patch_--inline_--stdout_initial..master^
new file mode 100644
index 000000000..6008e7779
--- /dev/null
+++ b/t/t4013/diff.format-patch_--inline_--stdout_initial..master^
@@ -0,0 +1,112 @@
+$ git format-patch --inline --stdout initial..master^
+From 1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44 Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:01:00 +0000
+Subject: [PATCH] Second
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+
+
+This is the second commit.
+---
+ dir/sub |    2 ++
+ file0   |    3 +++
+ file2   |    3 ---
+ 3 files changed, 5 insertions(+), 3 deletions(-)
+ delete mode 100644 file2
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..8422d40 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++C
++D
+diff --git a/file0 b/file0
+index 01e79c3..b414108 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++4
++5
++6
+diff --git a/file2 b/file2
+deleted file mode 100644
+index 01e79c3..0000000
+--- a/file2
++++ /dev/null
+@@ -1,3 +0,0 @@
+-1
+-2
+-3
+
+--------------g-i-t--v-e-r-s-i-o-n--
+
+
+
+From 9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0 Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:02:00 +0000
+Subject: [PATCH] Third
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+
+---
+ dir/sub |    2 ++
+ file1   |    3 +++
+ 2 files changed, 5 insertions(+), 0 deletions(-)
+ create mode 100644 file1
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
+
+diff --git a/dir/sub b/dir/sub
+index 8422d40..cead32e 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -2,3 +2,5 @@ A
+ B
+ C
+ D
++E
++F
+diff --git a/file1 b/file1
+new file mode 100644
+index 0000000..b1e6722
+--- /dev/null
++++ b/file1
+@@ -0,0 +1,3 @@
++A
++B
++C
+
+--------------g-i-t--v-e-r-s-i-o-n--
+
+
+$
diff --git a/t/t4013/diff.format-patch_--inline_--stdout_initial..side b/t/t4013/diff.format-patch_--inline_--stdout_initial..side
new file mode 100644
index 000000000..c4d3da941
--- /dev/null
+++ b/t/t4013/diff.format-patch_--inline_--stdout_initial..side
@@ -0,0 +1,62 @@
+$ git format-patch --inline --stdout initial..side
+From c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a Mon Sep 17 00:00:00 2001
+From: A U Thor <author@example.com>
+Date: Mon, 26 Jun 2006 00:03:00 +0000
+Subject: [PATCH] Side
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+ boundary="------------g-i-t--v-e-r-s-i-o-n"
+
+This is a multi-part message in MIME format.
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+
+---
+ dir/sub |    2 ++
+ file0   |    3 +++
+ file3   |    4 ++++
+ 3 files changed, 9 insertions(+), 0 deletions(-)
+ create mode 100644 file3
+--------------g-i-t--v-e-r-s-i-o-n
+Content-Type: text/x-patch;
+ name="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: inline;
+ filename="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+
+diff --git a/dir/sub b/dir/sub
+index 35d242b..7289e35 100644
+--- a/dir/sub
++++ b/dir/sub
+@@ -1,2 +1,4 @@
+ A
+ B
++1
++2
+diff --git a/file0 b/file0
+index 01e79c3..f4615da 100644
+--- a/file0
++++ b/file0
+@@ -1,3 +1,6 @@
+ 1
+ 2
+ 3
++A
++B
++C
+diff --git a/file3 b/file3
+new file mode 100644
+index 0000000..7289e35
+--- /dev/null
++++ b/file3
+@@ -0,0 +1,4 @@
++A
++B
++1
++2
+
+--------------g-i-t--v-e-r-s-i-o-n--
+
+
+$

From 33ee4cfb6929c77307887bc2124eaeaf011892dc Mon Sep 17 00:00:00 2001
From: Junio C Hamano <junkio@cox.net>
Date: Sun, 4 Mar 2007 16:08:04 -0800
Subject: [PATCH 2/2] format-patch --attach: not folding some long headers.

Panagiotis Issaris reports that some MUAs seem not to like
folded "content-type" and "content-disposition" headers, so this
makes format-patch --attach output to avoid them.

Signed-off-by: Junio C Hamano <junkio@cox.net>
---
 log-tree.c                                    |  6 ++---
 t/t4013-diff-various.sh                       |  2 +-
 ...at-patch_--attach_--stdout_initial..master | 27 +++++++------------
 ...t-patch_--attach_--stdout_initial..master^ | 18 +++++--------
 ...rmat-patch_--attach_--stdout_initial..side |  9 +++----
 ...at-patch_--inline_--stdout_initial..master | 27 +++++++------------
 ...t-patch_--inline_--stdout_initial..master^ | 18 +++++--------
 ...rmat-patch_--inline_--stdout_initial..side |  9 +++----
 8 files changed, 40 insertions(+), 76 deletions(-)

diff --git a/log-tree.c b/log-tree.c
index 7b3ad7d5f..8797aa14c 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -186,7 +186,7 @@ void show_log(struct rev_info *opt, const char *sep)
 			snprintf(subject_buffer, sizeof(subject_buffer) - 1,
 				 "%s"
 				 "MIME-Version: 1.0\n"
-				 "Content-Type: multipart/mixed;\n"
+				 "Content-Type: multipart/mixed;"
 				 " boundary=\"%s%s\"\n"
 				 "\n"
 				 "This is a multi-part message in MIME "
@@ -202,10 +202,10 @@ void show_log(struct rev_info *opt, const char *sep)
 
 			snprintf(buffer, sizeof(buffer) - 1,
 				 "--%s%s\n"
-				 "Content-Type: text/x-patch;\n"
+				 "Content-Type: text/x-patch;"
 				 " name=\"%s.diff\"\n"
 				 "Content-Transfer-Encoding: 8bit\n"
-				 "Content-Disposition: %s;\n"
+				 "Content-Disposition: %s;"
 				 " filename=\"%s.diff\"\n\n",
 				 mime_boundary_leader, opt->mime_boundary,
 				 sha1,
diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
index 28787a11f..8345ef5bf 100755
--- a/t/t4013-diff-various.sh
+++ b/t/t4013-diff-various.sh
@@ -106,7 +106,7 @@ do
 			echo "\$ git $cmd"
 			git $cmd |
 			sed -e "s/^\\(-*\\)$V\\(-*\\)\$/\\1g-i-t--v-e-r-s-i-o-n\2/" \
-			    -e "s/^\\( *boundary=\"-*\\)$V\\(-*\\)\"\$/\\1g-i-t--v-e-r-s-i-o-n\2\"/"
+			    -e "s/^\\(.*mixed; boundary=\"-*\\)$V\\(-*\\)\"\$/\\1g-i-t--v-e-r-s-i-o-n\2\"/"
 			echo "\$"
 		} >"$actual" &&
 		if test -f "$expect"
diff --git a/t/t4013/diff.format-patch_--attach_--stdout_initial..master b/t/t4013/diff.format-patch_--attach_--stdout_initial..master
index 33ce92d45..cf6891f74 100644
--- a/t/t4013/diff.format-patch_--attach_--stdout_initial..master
+++ b/t/t4013/diff.format-patch_--attach_--stdout_initial..master
@@ -4,8 +4,7 @@ From: A U Thor <author@example.com>
 Date: Mon, 26 Jun 2006 00:01:00 +0000
 Subject: [PATCH] Second
 MIME-Version: 1.0
-Content-Type: multipart/mixed;
- boundary="------------g-i-t--v-e-r-s-i-o-n"
+Content-Type: multipart/mixed; boundary="------------g-i-t--v-e-r-s-i-o-n"
 
 This is a multi-part message in MIME format.
 --------------g-i-t--v-e-r-s-i-o-n
@@ -21,11 +20,9 @@ This is the second commit.
  3 files changed, 5 insertions(+), 3 deletions(-)
  delete mode 100644 file2
 --------------g-i-t--v-e-r-s-i-o-n
-Content-Type: text/x-patch;
- name="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
+Content-Type: text/x-patch; name="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: attachment;
- filename="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
+Content-Disposition: attachment; filename="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
 
 diff --git a/dir/sub b/dir/sub
 index 35d242b..8422d40 100644
@@ -66,8 +63,7 @@ From: A U Thor <author@example.com>
 Date: Mon, 26 Jun 2006 00:02:00 +0000
 Subject: [PATCH] Third
 MIME-Version: 1.0
-Content-Type: multipart/mixed;
- boundary="------------g-i-t--v-e-r-s-i-o-n"
+Content-Type: multipart/mixed; boundary="------------g-i-t--v-e-r-s-i-o-n"
 
 This is a multi-part message in MIME format.
 --------------g-i-t--v-e-r-s-i-o-n
@@ -80,11 +76,9 @@ Content-Transfer-Encoding: 8bit
  2 files changed, 5 insertions(+), 0 deletions(-)
  create mode 100644 file1
 --------------g-i-t--v-e-r-s-i-o-n
-Content-Type: text/x-patch;
- name="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
+Content-Type: text/x-patch; name="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: attachment;
- filename="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
+Content-Disposition: attachment; filename="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
 
 diff --git a/dir/sub b/dir/sub
 index 8422d40..cead32e 100644
@@ -115,8 +109,7 @@ From: A U Thor <author@example.com>
 Date: Mon, 26 Jun 2006 00:03:00 +0000
 Subject: [PATCH] Side
 MIME-Version: 1.0
-Content-Type: multipart/mixed;
- boundary="------------g-i-t--v-e-r-s-i-o-n"
+Content-Type: multipart/mixed; boundary="------------g-i-t--v-e-r-s-i-o-n"
 
 This is a multi-part message in MIME format.
 --------------g-i-t--v-e-r-s-i-o-n
@@ -130,11 +123,9 @@ Content-Transfer-Encoding: 8bit
  3 files changed, 9 insertions(+), 0 deletions(-)
  create mode 100644 file3
 --------------g-i-t--v-e-r-s-i-o-n
-Content-Type: text/x-patch;
- name="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+Content-Type: text/x-patch; name="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: attachment;
- filename="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+Content-Disposition: attachment; filename="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
 
 diff --git a/dir/sub b/dir/sub
 index 35d242b..7289e35 100644
diff --git a/t/t4013/diff.format-patch_--attach_--stdout_initial..master^ b/t/t4013/diff.format-patch_--attach_--stdout_initial..master^
index d97625a50..fe0258720 100644
--- a/t/t4013/diff.format-patch_--attach_--stdout_initial..master^
+++ b/t/t4013/diff.format-patch_--attach_--stdout_initial..master^
@@ -4,8 +4,7 @@ From: A U Thor <author@example.com>
 Date: Mon, 26 Jun 2006 00:01:00 +0000
 Subject: [PATCH] Second
 MIME-Version: 1.0
-Content-Type: multipart/mixed;
- boundary="------------g-i-t--v-e-r-s-i-o-n"
+Content-Type: multipart/mixed; boundary="------------g-i-t--v-e-r-s-i-o-n"
 
 This is a multi-part message in MIME format.
 --------------g-i-t--v-e-r-s-i-o-n
@@ -21,11 +20,9 @@ This is the second commit.
  3 files changed, 5 insertions(+), 3 deletions(-)
  delete mode 100644 file2
 --------------g-i-t--v-e-r-s-i-o-n
-Content-Type: text/x-patch;
- name="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
+Content-Type: text/x-patch; name="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: attachment;
- filename="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
+Content-Disposition: attachment; filename="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
 
 diff --git a/dir/sub b/dir/sub
 index 35d242b..8422d40 100644
@@ -66,8 +63,7 @@ From: A U Thor <author@example.com>
 Date: Mon, 26 Jun 2006 00:02:00 +0000
 Subject: [PATCH] Third
 MIME-Version: 1.0
-Content-Type: multipart/mixed;
- boundary="------------g-i-t--v-e-r-s-i-o-n"
+Content-Type: multipart/mixed; boundary="------------g-i-t--v-e-r-s-i-o-n"
 
 This is a multi-part message in MIME format.
 --------------g-i-t--v-e-r-s-i-o-n
@@ -80,11 +76,9 @@ Content-Transfer-Encoding: 8bit
  2 files changed, 5 insertions(+), 0 deletions(-)
  create mode 100644 file1
 --------------g-i-t--v-e-r-s-i-o-n
-Content-Type: text/x-patch;
- name="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
+Content-Type: text/x-patch; name="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: attachment;
- filename="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
+Content-Disposition: attachment; filename="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
 
 diff --git a/dir/sub b/dir/sub
 index 8422d40..cead32e 100644
diff --git a/t/t4013/diff.format-patch_--attach_--stdout_initial..side b/t/t4013/diff.format-patch_--attach_--stdout_initial..side
index 0b6853d92..9ff828ee9 100644
--- a/t/t4013/diff.format-patch_--attach_--stdout_initial..side
+++ b/t/t4013/diff.format-patch_--attach_--stdout_initial..side
@@ -4,8 +4,7 @@ From: A U Thor <author@example.com>
 Date: Mon, 26 Jun 2006 00:03:00 +0000
 Subject: [PATCH] Side
 MIME-Version: 1.0
-Content-Type: multipart/mixed;
- boundary="------------g-i-t--v-e-r-s-i-o-n"
+Content-Type: multipart/mixed; boundary="------------g-i-t--v-e-r-s-i-o-n"
 
 This is a multi-part message in MIME format.
 --------------g-i-t--v-e-r-s-i-o-n
@@ -19,11 +18,9 @@ Content-Transfer-Encoding: 8bit
  3 files changed, 9 insertions(+), 0 deletions(-)
  create mode 100644 file3
 --------------g-i-t--v-e-r-s-i-o-n
-Content-Type: text/x-patch;
- name="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+Content-Type: text/x-patch; name="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: attachment;
- filename="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+Content-Disposition: attachment; filename="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
 
 diff --git a/dir/sub b/dir/sub
 index 35d242b..7289e35 100644
diff --git a/t/t4013/diff.format-patch_--inline_--stdout_initial..master b/t/t4013/diff.format-patch_--inline_--stdout_initial..master
index 68c98842d..aa110c0e7 100644
--- a/t/t4013/diff.format-patch_--inline_--stdout_initial..master
+++ b/t/t4013/diff.format-patch_--inline_--stdout_initial..master
@@ -4,8 +4,7 @@ From: A U Thor <author@example.com>
 Date: Mon, 26 Jun 2006 00:01:00 +0000
 Subject: [PATCH] Second
 MIME-Version: 1.0
-Content-Type: multipart/mixed;
- boundary="------------g-i-t--v-e-r-s-i-o-n"
+Content-Type: multipart/mixed; boundary="------------g-i-t--v-e-r-s-i-o-n"
 
 This is a multi-part message in MIME format.
 --------------g-i-t--v-e-r-s-i-o-n
@@ -21,11 +20,9 @@ This is the second commit.
  3 files changed, 5 insertions(+), 3 deletions(-)
  delete mode 100644 file2
 --------------g-i-t--v-e-r-s-i-o-n
-Content-Type: text/x-patch;
- name="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
+Content-Type: text/x-patch; name="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: inline;
- filename="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
+Content-Disposition: inline; filename="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
 
 diff --git a/dir/sub b/dir/sub
 index 35d242b..8422d40 100644
@@ -66,8 +63,7 @@ From: A U Thor <author@example.com>
 Date: Mon, 26 Jun 2006 00:02:00 +0000
 Subject: [PATCH] Third
 MIME-Version: 1.0
-Content-Type: multipart/mixed;
- boundary="------------g-i-t--v-e-r-s-i-o-n"
+Content-Type: multipart/mixed; boundary="------------g-i-t--v-e-r-s-i-o-n"
 
 This is a multi-part message in MIME format.
 --------------g-i-t--v-e-r-s-i-o-n
@@ -80,11 +76,9 @@ Content-Transfer-Encoding: 8bit
  2 files changed, 5 insertions(+), 0 deletions(-)
  create mode 100644 file1
 --------------g-i-t--v-e-r-s-i-o-n
-Content-Type: text/x-patch;
- name="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
+Content-Type: text/x-patch; name="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: inline;
- filename="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
+Content-Disposition: inline; filename="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
 
 diff --git a/dir/sub b/dir/sub
 index 8422d40..cead32e 100644
@@ -115,8 +109,7 @@ From: A U Thor <author@example.com>
 Date: Mon, 26 Jun 2006 00:03:00 +0000
 Subject: [PATCH] Side
 MIME-Version: 1.0
-Content-Type: multipart/mixed;
- boundary="------------g-i-t--v-e-r-s-i-o-n"
+Content-Type: multipart/mixed; boundary="------------g-i-t--v-e-r-s-i-o-n"
 
 This is a multi-part message in MIME format.
 --------------g-i-t--v-e-r-s-i-o-n
@@ -130,11 +123,9 @@ Content-Transfer-Encoding: 8bit
  3 files changed, 9 insertions(+), 0 deletions(-)
  create mode 100644 file3
 --------------g-i-t--v-e-r-s-i-o-n
-Content-Type: text/x-patch;
- name="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+Content-Type: text/x-patch; name="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: inline;
- filename="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+Content-Disposition: inline; filename="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
 
 diff --git a/dir/sub b/dir/sub
 index 35d242b..7289e35 100644
diff --git a/t/t4013/diff.format-patch_--inline_--stdout_initial..master^ b/t/t4013/diff.format-patch_--inline_--stdout_initial..master^
index 6008e7779..95e9ea4c5 100644
--- a/t/t4013/diff.format-patch_--inline_--stdout_initial..master^
+++ b/t/t4013/diff.format-patch_--inline_--stdout_initial..master^
@@ -4,8 +4,7 @@ From: A U Thor <author@example.com>
 Date: Mon, 26 Jun 2006 00:01:00 +0000
 Subject: [PATCH] Second
 MIME-Version: 1.0
-Content-Type: multipart/mixed;
- boundary="------------g-i-t--v-e-r-s-i-o-n"
+Content-Type: multipart/mixed; boundary="------------g-i-t--v-e-r-s-i-o-n"
 
 This is a multi-part message in MIME format.
 --------------g-i-t--v-e-r-s-i-o-n
@@ -21,11 +20,9 @@ This is the second commit.
  3 files changed, 5 insertions(+), 3 deletions(-)
  delete mode 100644 file2
 --------------g-i-t--v-e-r-s-i-o-n
-Content-Type: text/x-patch;
- name="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
+Content-Type: text/x-patch; name="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: inline;
- filename="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
+Content-Disposition: inline; filename="1bde4ae5f36c8d9abe3a0fce0c6aab3c4a12fe44.diff"
 
 diff --git a/dir/sub b/dir/sub
 index 35d242b..8422d40 100644
@@ -66,8 +63,7 @@ From: A U Thor <author@example.com>
 Date: Mon, 26 Jun 2006 00:02:00 +0000
 Subject: [PATCH] Third
 MIME-Version: 1.0
-Content-Type: multipart/mixed;
- boundary="------------g-i-t--v-e-r-s-i-o-n"
+Content-Type: multipart/mixed; boundary="------------g-i-t--v-e-r-s-i-o-n"
 
 This is a multi-part message in MIME format.
 --------------g-i-t--v-e-r-s-i-o-n
@@ -80,11 +76,9 @@ Content-Transfer-Encoding: 8bit
  2 files changed, 5 insertions(+), 0 deletions(-)
  create mode 100644 file1
 --------------g-i-t--v-e-r-s-i-o-n
-Content-Type: text/x-patch;
- name="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
+Content-Type: text/x-patch; name="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: inline;
- filename="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
+Content-Disposition: inline; filename="9a6d4949b6b76956d9d5e26f2791ec2ceff5fdc0.diff"
 
 diff --git a/dir/sub b/dir/sub
 index 8422d40..cead32e 100644
diff --git a/t/t4013/diff.format-patch_--inline_--stdout_initial..side b/t/t4013/diff.format-patch_--inline_--stdout_initial..side
index c4d3da941..86ae923d7 100644
--- a/t/t4013/diff.format-patch_--inline_--stdout_initial..side
+++ b/t/t4013/diff.format-patch_--inline_--stdout_initial..side
@@ -4,8 +4,7 @@ From: A U Thor <author@example.com>
 Date: Mon, 26 Jun 2006 00:03:00 +0000
 Subject: [PATCH] Side
 MIME-Version: 1.0
-Content-Type: multipart/mixed;
- boundary="------------g-i-t--v-e-r-s-i-o-n"
+Content-Type: multipart/mixed; boundary="------------g-i-t--v-e-r-s-i-o-n"
 
 This is a multi-part message in MIME format.
 --------------g-i-t--v-e-r-s-i-o-n
@@ -19,11 +18,9 @@ Content-Transfer-Encoding: 8bit
  3 files changed, 9 insertions(+), 0 deletions(-)
  create mode 100644 file3
 --------------g-i-t--v-e-r-s-i-o-n
-Content-Type: text/x-patch;
- name="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+Content-Type: text/x-patch; name="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
 Content-Transfer-Encoding: 8bit
-Content-Disposition: inline;
- filename="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
+Content-Disposition: inline; filename="c7a2ab9e8eac7b117442a607d5a9b3950ae34d5a.diff"
 
 diff --git a/dir/sub b/dir/sub
 index 35d242b..7289e35 100644