[Buildroot] [PATCH 10/12] cdrkit: add patch allowing to set creation date

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

The patch was posted here:
https://lists.gnu.org/archive/html/bug-cpio/2014-08/msg00000.html

And allows generating reproducible iso images with genisoimage.

Signed-off-by: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
---
 ...-reproducible-allow-setting-creation-date.patch | 140 +++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 package/cdrkit/0003-reproducible-allow-setting-creation-date.patch

diff --git a/package/cdrkit/0003-reproducible-allow-setting-creation-date.patch b/package/cdrkit/0003-reproducible-allow-setting-creation-date.patch
new file mode 100644
index 0000000..f5ed465
--- /dev/null
+++ b/package/cdrkit/0003-reproducible-allow-setting-creation-date.patch
@@ -0,0 +1,140 @@
+diff --git a/genisoimage/.eltorito.c.swp b/genisoimage/.eltorito.c.swp
+new file mode 100644
+index 0000000..a49fcbd
+Binary files /dev/null and b/genisoimage/.eltorito.c.swp differ
+diff --git a/genisoimage/genisoimage.1 b/genisoimage/genisoimage.1
+index d05b24a..d69a1d4 100644
+--- a/genisoimage/genisoimage.1
++++ b/genisoimage/genisoimage.1
+@@ -976,6 +976,12 @@ in the
+ .I .genisoimagerc
+ file.
+ .TP
++.BI \-creation-date " epoch"
++Specifies the date to be used as creation, modification and effective
++date in the volume descriptor and for files and relocations created
++on the fly. Specified as a number of second since
++1970-01-01 00:00:00 +0000 (UTC); if 0, the current time is used.
++.TP
+ .B \-print\-size
+ Print estimated filesystem size in multiples of the sector size (2048 bytes)
+ and exit. This option is needed for
+diff --git a/genisoimage/genisoimage.c b/genisoimage/genisoimage.c
+index cfd079a..58397e9 100644
+--- a/genisoimage/genisoimage.c
++++ b/genisoimage/genisoimage.c
+@@ -169,6 +169,7 @@ char	*abstract = ABSTRACT_DEFAULT;
+ char	*volset_id = VOLSET_ID_DEFAULT;
+ char	*volume_id = VOLUME_ID_DEFAULT;
+ char	*system_id = SYSTEM_ID_DEFAULT;
++time_t  creation_date = 0;
+ char	*boot_catalog = BOOT_CATALOG_DEFAULT;
+ char	*boot_image = BOOT_IMAGE_DEFAULT;
+ char	*genboot_image = BOOT_IMAGE_DEFAULT;
+@@ -405,6 +406,8 @@ struct ld_option {
+ #define	OPTION_ALLOW_LEADING_DOTS	1070
+ #define	OPTION_PUBLISHER		1071
+ 
++#define OPTION_CREATION_DATE            1072
++
+ #ifdef		JIGDO_TEMPLATE
+ #define	OPTION_JTT_OUTPUT		1101
+ #define	OPTION_JTJ_OUTPUT		1102
+@@ -522,6 +525,8 @@ static const struct ld_option ld_options[] =
+ 	'\0', "FILE", "Check all ISO9660 names from previous session", ONE_DASH},
+ 	{{"copyright", required_argument, NULL, OPTION_COPYRIGHT},
+ 	'\0', "FILE", "Set Copyright filename", ONE_DASH},
++	{{"creation-date", required_argument, NULL, OPTION_CREATION_DATE},
++	'\0', NULL, "Set volume creation date", ONE_DASH},
+ 	{{"debug", no_argument, NULL, OPTION_DEBUG},
+ 	'\0', NULL, "Set debug flag", ONE_DASH},
+ 	{{"eltorito-boot", required_argument, NULL, 'b'},
+@@ -1721,6 +1726,22 @@ int main(int argc, char *argv[])
+ #endif
+ 			}
+ 			break;
++		case OPTION_CREATION_DATE:
++		{
++			char	*end = 0;
++
++			creation_date = strtol(optarg, &end, 10);
++			if (!end || *end != 0) {
++#ifdef	USE_LIBSCHILY
++				comerrno(EX_BAD, "Bad epoch for -creation-date\n");
++#else
++				fprintf(stderr, "Bad epoch for -creation-date\n");
++				exit(1);
++#endif
++			}
++			break;
++		}
++
+ 		case OPTION_DEBUG:
+ 			debug++;
+ 			break;
+diff --git a/genisoimage/genisoimage.h b/genisoimage/genisoimage.h
+index bbedfb0..c49576c 100644
+--- a/genisoimage/genisoimage.h
++++ b/genisoimage/genisoimage.h
+@@ -650,6 +650,7 @@ extern char	*appid;
+ extern char	*volset_id;
+ extern char	*system_id;
+ extern char	*volume_id;
++extern time_t	creation_date;
+ extern char	*boot_catalog;
+ extern char	*boot_image;
+ extern char	*genboot_image;
+diff --git a/genisoimage/tree.c b/genisoimage/tree.c
+index 7805888..f17a662 100644
+--- a/genisoimage/tree.c
++++ b/genisoimage/tree.c
+@@ -783,7 +783,11 @@ generate_reloc_directory()
+ 	struct directory_entry *s_entry;
+ 
+ 	/* Create an  entry for our internal tree */
+-	time(&current_time);
++	if (creation_date == 0) {
++		time(&current_time);
++	} else {
++		current_time = creation_date;
++	}
+ 	reloc_dir = (struct directory *)
+ 		e_malloc(sizeof (struct directory));
+ 	memset(reloc_dir, 0, sizeof (struct directory));
+@@ -2680,7 +2684,11 @@ init_fstatbuf()
+ 	time_t	current_time;
+ 
+ 	if (fstatbuf.st_ctime == 0) {
+-		time(&current_time);
++		if (creation_date == 0) {
++			time(&current_time);
++		} else {
++			current_time = creation_date;
++		}
+ 		if (rationalize_uid)
+ 			fstatbuf.st_uid = uid_to_use;
+ 		else
+diff --git a/genisoimage/write.c b/genisoimage/write.c
+index a423ab1..f63507c 100644
+--- a/genisoimage/write.c
++++ b/genisoimage/write.c
+@@ -1885,12 +1885,17 @@ pvd_write(FILE *outfile)
+ 	int		should_write;
+ 	struct tm	local;
+ 	struct tm	gmt;
++	time_t		pvd_date;
+ 
+ 
+ 	time(&begun);
+ 
+-	local = *localtime(&begun);
+-	gmt = *gmtime(&begun);
++	if (creation_date == 0) {
++		creation_date = begun;
++	}
++
++	local = *localtime(&creation_date);
++	gmt = *gmtime(&creation_date);
+ 
+ 	/*
+ 	 * There was a comment here about breaking in the year 2000.
-- 
2.8.2