From 39d06472eb93d72940b2728d33e2dafa2676e47b Mon Sep 17 00:00:00 2001 From: Sungbo Eo Date: Sat, 12 Feb 2022 17:01:31 +0900 Subject: [PATCH] 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 --- include/image-commands.mk | 1 - ...add-option-for-reproducible-archives.patch | 145 ------------------ .../zip/patches/011-reproducible-mtime.patch | 41 +++++ 3 files changed, 41 insertions(+), 146 deletions(-) delete mode 100644 tools/zip/patches/011-add-option-for-reproducible-archives.patch create mode 100644 tools/zip/patches/011-reproducible-mtime.patch diff --git a/include/image-commands.mk b/include/image-commands.mk index 21f851d2054f..b6593c138bb5 100644 --- a/include/image-commands.mk +++ b/include/image-commands.mk @@ -542,7 +542,6 @@ define Build/zip mkdir $@.tmp mv $@ $@.tmp/$(word 1,$(1)) TZ=UTC $(STAGING_DIR_HOST)/bin/zip -j -X \ - $(if $(SOURCE_DATE_EPOCH),--mtime="$(SOURCE_DATE_EPOCH)") \ $(wordlist 2,$(words $(1)),$(1)) \ $@ $@.tmp/$(if $(word 1,$(1)),$(word 1,$(1)),$$(basename $@)) rm -rf $@.tmp 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 45b9d67e1593..000000000000 --- 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 -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 ---- - 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(×tamp); -+ - /* 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 000000000000..6ce8445e831f --- /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" +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; -- 2.30.2