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authorSungbo Eo <mans0n@gorani.run>2022-02-12 17:01:31 +0900
committerSungbo Eo <mans0n@gorani.run>2022-03-09 15:38:23 +0900
commit39d06472eb93d72940b2728d33e2dafa2676e47b (patch)
treeec8e96487b6e9f2e7a830533c90b310ba6cf8f2e /tools/zip/patches
parente42764cc5fa364e9fa553903c56191484738965e (diff)
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tools: zip: fetch SOURCE_DATE_EPOCH directly
Remove "--mtime" option introduced in commit 18c9faa03211 ("tools: zip: add option for reproducible archives") and instead fetch SOURCE_DATE_EPOCH environment variable directly in the code. Ref: https://sourceforge.net/p/infozip/patches/25/ Signed-off-by: Sungbo Eo <mans0n@gorani.run>
Diffstat (limited to 'tools/zip/patches')
-rw-r--r--tools/zip/patches/011-add-option-for-reproducible-archives.patch145
-rw-r--r--tools/zip/patches/011-reproducible-mtime.patch41
2 files changed, 41 insertions, 145 deletions
diff --git a/tools/zip/patches/011-add-option-for-reproducible-archives.patch b/tools/zip/patches/011-add-option-for-reproducible-archives.patch
deleted file mode 100644
index 45b9d67e15..0000000000
--- a/tools/zip/patches/011-add-option-for-reproducible-archives.patch
+++ /dev/null
@@ -1,145 +0,0 @@
-From 6d659fc87451c02c8777dc33f750b16834e4c715 Mon Sep 17 00:00:00 2001
-From: Mathias Kresin <dev@kresin.me>
-Date: Sat, 12 Jan 2019 19:33:33 +0100
-Subject: [PATCH] add option for reproducible archives
-
-Add the option -mt/--mtime to pass a timestamp which is used as filedate
-for the containing files.
-
-So far, it isn't used for anything written to the extra fields,
-therefore requires the -X (eXclude eXtra file attributes) parameter to
-be effective.
-
-Signed-off-by: Mathias Kresin <dev@kresin.me>
----
- globals.c | 1 +
- util.c | 22 ++++++++++++++++++++++
- zip.c | 6 ++++++
- zip.h | 1 +
- zipup.c | 4 +++-
- 5 files changed, 33 insertions(+), 1 deletion(-)
-
---- a/globals.c
-+++ b/globals.c
-@@ -205,6 +205,7 @@ uzoff_t bytes_this_split = 0; /* byt
- int read_split_archive = 0; /* 1=scanzipf_reg detected spanning signature */
- int split_method = 0; /* 0=no splits, 1=seekable, 2=data desc, -1=no */
- uzoff_t split_size = 0; /* how big each split should be */
-+time_t timestamp = -1; /* fixed timestamp for archive content filedate */
- int split_bell = 0; /* when pause for next split ring bell */
- uzoff_t bytes_prev_splits = 0; /* total bytes written to all splits before this */
- uzoff_t bytes_this_entry = 0; /* bytes written for this entry across all splits */
---- a/util.c
-+++ b/util.c
-@@ -1217,6 +1217,7 @@ int DisplayNumString(file, i)
- return 0;
- }
-
-+
- /* Read numbers with trailing size multiplier (like 10M) and return number.
- 10/30/04 EG */
-
-@@ -1279,6 +1280,29 @@ uzoff_t ReadNumString( numstring )
- }
-
-
-+uzoff_t ReadNumStringUL( numstring )
-+ char *numstring;
-+{
-+ zoff_t num = 0;
-+
-+ /* check if valid number (currently no negatives) */
-+ if (numstring == NULL) {
-+ zipwarn("Unable to read empty number in ReadNumString", "");
-+ return (uzoff_t)-1;
-+ }
-+ if (numstring[0] < '0' || numstring[0] > '9') {
-+ zipwarn("Unable to read number (must start with digit): ", numstring);
-+ return (uzoff_t)-1;
-+ }
-+ if (strlen(numstring) > 10) {
-+ zipwarn("Number too long to read (10 characters max): ", numstring);
-+ return (uzoff_t)-1;
-+ }
-+
-+ return (uzoff_t)atoll(numstring);
-+}
-+
-+
- /* Write the number as a string with a multiplier (like 10M) to outstring.
- Always writes no more than 3 digits followed maybe by a multiplier and
- returns the characters written or -1 if error.
---- a/zip.c
-+++ b/zip.c
-@@ -1942,6 +1942,7 @@ int set_filetype(out_path)
- #ifdef UNICODE_TEST
- #define o_sC 0x146
- #endif
-+#define o_mt 0x255
-
-
- /* the below is mainly from the old main command line
-@@ -2036,6 +2037,7 @@ struct option_struct far options[] = {
- {"m", "move", o_NO_VALUE, o_NOT_NEGATABLE, 'm', "add files to archive then delete files"},
- {"mm", "", o_NO_VALUE, o_NOT_NEGATABLE, o_mm, "not used"},
- {"MM", "must-match", o_NO_VALUE, o_NOT_NEGATABLE, o_MM, "error if in file not matched/not readable"},
-+ {"mt", "mtime", o_REQUIRED_VALUE, o_NOT_NEGATABLE, o_mt, "use fixed timestamp for archive content filedate"},
- {"n", "suffixes", o_REQUIRED_VALUE, o_NOT_NEGATABLE, 'n', "suffixes to not compress: .gz:.zip"},
- {"nw", "no-wild", o_NO_VALUE, o_NOT_NEGATABLE, o_nw, "no wildcards during add or update"},
- #if defined(AMIGA) || defined(MACOS)
-@@ -2440,6 +2442,7 @@ char **argv; /* command line
- split_method = 0; /* 0=no splits, 1=update LHs, 2=data descriptors */
- split_size = 0; /* how big each split should be */
- split_bell = 0; /* when pause for next split ring bell */
-+ timestamp = -1; /* fixed timestamp for archive content filedate */
- bytes_prev_splits = 0; /* total bytes written to all splits before this */
- bytes_this_entry = 0; /* bytes written for this entry across all splits */
- noisy_splits = 0; /* be verbose about creating splits */
-@@ -2897,6 +2900,9 @@ char **argv; /* command line
- dispose = 1; break;
- case o_MM: /* Exit with error if input file can't be read */
- bad_open_is_error = 1; break;
-+ case o_mt: /* fixed timestamp for archive content filedate */
-+ timestamp = ReadNumStringUL(value);
-+ break;
- case 'n': /* Don't compress files with a special suffix */
- special = value;
- /* special = NULL; */ /* will be set at next argument */
---- a/zip.h
-+++ b/zip.h
-@@ -502,6 +502,7 @@ extern uzoff_t bytes_this_split; /* byte
- extern int read_split_archive; /* 1=scanzipf_reg detected spanning signature */
- extern int split_method; /* 0=no splits, 1=seekable, 2=data descs, -1=no */
- extern uzoff_t split_size; /* how big each split should be */
-+extern time_t timestamp; /* fixed timestamp for archive content filedate */
- extern int split_bell; /* when pause for next split ring bell */
- extern uzoff_t bytes_prev_splits; /* total bytes written to all splits before this */
- extern uzoff_t bytes_this_entry; /* bytes written for this entry across all splits */
-@@ -789,6 +790,7 @@ char *zip_fzofft OF((zoff_t, char
- int DisplayNumString OF ((FILE *file, uzoff_t i));
- int WriteNumString OF((uzoff_t num, char *outstring));
- uzoff_t ReadNumString OF((char *numstring));
-+uzoff_t ReadNumStringUL OF((char *numstring));
-
- /* returns true if abbrev is abbreviation for string */
- int abbrevmatch OF((char *, char *, int, int));
---- a/zipup.c
-+++ b/zipup.c
-@@ -415,7 +415,6 @@ struct zlist far *z; /* zip entry to
- char *tempextra = NULL;
- char *tempcextra = NULL;
-
--
- #ifdef WINDLL
- # ifdef ZIP64_SUPPORT
- extern _int64 filesize64;
-@@ -441,6 +440,9 @@ struct zlist far *z; /* zip entry to
- if (tim == 0 || q == (zoff_t) -3)
- return ZE_OPEN;
-
-+ if (timestamp > 0)
-+ tim = unix2dostime(&timestamp);
-+
- /* q is set to -1 if the input file is a device, -2 for a volume label */
- if (q == (zoff_t) -2) {
- isdir = 1;
diff --git a/tools/zip/patches/011-reproducible-mtime.patch b/tools/zip/patches/011-reproducible-mtime.patch
new file mode 100644
index 0000000000..6ce8445e83
--- /dev/null
+++ b/tools/zip/patches/011-reproducible-mtime.patch
@@ -0,0 +1,41 @@
+From 501ae4e93fd6fa2f7d20d00d1b011f9006802eae Mon Sep 17 00:00:00 2001
+From: "Bernhard M. Wiedemann" <bwiedemann@suse.de>
+Date: Fri, 3 May 2019 16:32:24 +0200
+Subject: [PATCH] Override mtime with zip -X
+
+with SOURCE_DATE_EPOCH
+to allow for reproducible builds of .zip files
+
+See https://reproducible-builds.org/ for why this is good
+and https://reproducible-builds.org/specs/source-date-epoch/
+for the definition of this variable.
+
+Uses clamping to keep older mtimes than SOURCE_DATE_EPOCH intact.
+---
+ zipup.c | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+--- a/zipup.c
++++ b/zipup.c
+@@ -414,6 +414,7 @@ struct zlist far *z; /* zip entry to
+ ush tempcext = 0;
+ char *tempextra = NULL;
+ char *tempcextra = NULL;
++ const char *source_date_epoch;
+
+
+ #ifdef WINDLL
+@@ -674,6 +675,13 @@ struct zlist far *z; /* zip entry to
+
+ } /* strcmp(z->name, "-") == 0 */
+
++ if (extra_fields == 0 && (source_date_epoch = getenv("SOURCE_DATE_EPOCH")) != NULL) {
++ time_t epoch = strtoull(source_date_epoch, NULL, 10);
++ if (epoch > 0) {
++ ulg epochtim = unix2dostime(&epoch);
++ if (z->tim > epochtim) z->tim = epochtim;
++ }
++ }
+ if (extra_fields == 2) {
+ unsigned len;
+ char *p;