php8/php-build-reproducible-phar.patch

From 485e2a4e43458a417603d4ed219af3e79854ef46 Mon Sep 17 00:00:00 2001
From: Arjen de Korte <build+github@de-korte.org>
Date: Sat, 2 Jan 2021 17:57:18 +0100
Subject: [PATCH 1/1] phar: honor SOURCE_DATE_EPOCH for timestamps

In order to build reproducible phars, honor SOURCE_DATE_EPOCH
if set

Signed-off-by: Arjen de Korte <build+github@de-korte.org>
---
 ext/phar/phar.c          |  2 +-
 ext/phar/phar_internal.h | 15 +++++++++++++++
 ext/phar/stream.c        |  2 +-
 ext/phar/tar.c           |  2 +-
 ext/phar/util.c          |  2 +-
 ext/phar/zip.c           |  2 +-
 6 files changed, 18 insertions(+), 5 deletions(-)

Index: php-8.3.8/ext/phar/phar.c
===================================================================
--- php-8.3.8.orig/ext/phar/phar.c
+++ php-8.3.8/ext/phar/phar.c
@@ -2996,7 +2996,7 @@ int phar_flush(phar_archive_data *phar,
 			4: metadata-len
 			+: metadata
 		*/
-		mytime = time(NULL);
+		mytime = source_date_epoch_time(NULL);
 		phar_set_32(entry_buffer, entry->uncompressed_filesize);
 		phar_set_32(entry_buffer+4, mytime);
 		phar_set_32(entry_buffer+8, entry->compressed_filesize);
Index: php-8.3.8/ext/phar/phar_internal.h
===================================================================
--- php-8.3.8.orig/ext/phar/phar_internal.h
+++ php-8.3.8/ext/phar/phar_internal.h
@@ -427,6 +427,21 @@ static inline enum phar_fp_type phar_get
 	return PHAR_G(cached_fp)[entry->phar->phar_pos].manifest[entry->manifest_pos].fp_type;
 }
 
+static inline time_t source_date_epoch_time(time_t *tloc)
+{
+	const char *sde;
+	time_t ts;
+
+	tsrm_env_lock();
+	sde = getenv("SOURCE_DATE_EPOCH");
+	ts = (sde) ? strtoul(sde, NULL, 10) : time(0);
+	tsrm_env_unlock();
+	if (tloc) {
+		*tloc = ts;
+	}
+	return ts;
+}
+
 static inline zend_off_t phar_get_fp_offset(phar_entry_info *entry)
 {
 	if (!entry->is_persistent) {
Index: php-8.3.8/ext/phar/stream.c
===================================================================
--- php-8.3.8.orig/ext/phar/stream.c
+++ php-8.3.8/ext/phar/stream.c
@@ -474,7 +474,7 @@ static int phar_stream_flush(php_stream
 	phar_entry_data *data = (phar_entry_data *) stream->abstract;
 
 	if (data->internal_file->is_modified) {
-		data->internal_file->timestamp = time(0);
+		data->internal_file->timestamp = source_date_epoch_time(0);
 		ret = phar_flush(data->phar, 0, 0, 0, &error);
 		if (error) {
 			php_stream_wrapper_log_error(stream->wrapper, REPORT_ERRORS, "%s", error);
Index: php-8.3.8/ext/phar/tar.c
===================================================================
--- php-8.3.8.orig/ext/phar/tar.c
+++ php-8.3.8/ext/phar/tar.c
@@ -965,7 +965,7 @@ int phar_tar_flush(phar_archive_data *ph
 	char halt_stub[] = "__HALT_COMPILER();";
 
 	entry.flags = PHAR_ENT_PERM_DEF_FILE;
-	entry.timestamp = time(NULL);
+	entry.timestamp = source_date_epoch_time(NULL);
 	entry.is_modified = 1;
 	entry.is_crc_checked = 1;
 	entry.is_tar = 1;
Index: php-8.3.8/ext/phar/util.c
===================================================================
--- php-8.3.8.orig/ext/phar/util.c
+++ php-8.3.8/ext/phar/util.c
@@ -584,7 +584,7 @@ phar_entry_data *phar_get_or_create_entr
 
 	phar_add_virtual_dirs(phar, path, path_len);
 	etemp.is_modified = 1;
-	etemp.timestamp = time(0);
+	etemp.timestamp = source_date_epoch_time(0);
 	etemp.is_crc_checked = 1;
 	etemp.phar = phar;
 	etemp.filename = estrndup(path, path_len);
Index: php-8.3.8/ext/phar/zip.c
===================================================================
--- php-8.3.8.orig/ext/phar/zip.c
+++ php-8.3.8/ext/phar/zip.c
@@ -1236,7 +1236,7 @@ int phar_zip_flush(phar_archive_data *ph
 
 	pass.error = &temperr;
 	entry.flags = PHAR_ENT_PERM_DEF_FILE;
-	entry.timestamp = time(NULL);
+	entry.timestamp = source_date_epoch_time(NULL);
 	entry.is_modified = 1;
 	entry.is_zip = 1;
 	entry.phar = phar;