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io_archive: Use SOURCE_DATE_EPOCH for meta files instead of current time 

[TT: minor stylistic changes]
cute-signatures
kpcyrd 2021-07-24 18:13:49 +02:00 committed by Timo Teräs
parent c1405f9311
commit 90228c4d26
3 changed files with 18 additions and 1 deletions
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2
src/apk_defines.h
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@ -177,6 +177,8 @@ static inline uint32_t get_unaligned32(const void *ptr)
typedef void (*apk_progress_cb)(void *cb_ctx, size_t);
time_t apk_get_build_time(void);
void *apk_array_resize(void *array, size_t new_size, size_t elem_size);
#define APK_ARRAY(array_type_name, elem_type_name) \

15
src/common.c
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@ -40,3 +40,18 @@ void *apk_array_resize(void *array, size_t new_size, size_t elem_size)
return tmp;
}
time_t apk_get_build_time(void)
{
static int initialized = 0;
static time_t timestamp = 0;
char *source_date_epoch;
if (initialized) return timestamp;
source_date_epoch = getenv("SOURCE_DATE_EPOCH");
if (source_date_epoch && *source_date_epoch)
timestamp = strtoull(source_date_epoch, NULL, 10);
else timestamp = time(NULL);
initialized = 1;
return timestamp;
}

2
src/io_archive.c
View File

@ -291,7 +291,7 @@ int apk_tar_write_entry(struct apk_ostream *os, const struct apk_file_info *ae,
PUT_OCTAL(buf.uid, ae->uid);
PUT_OCTAL(buf.gid, ae->gid);
PUT_OCTAL(buf.mode, ae->mode & 07777);
PUT_OCTAL(buf.mtime, ae->mtime ?: time(NULL));
PUT_OCTAL(buf.mtime, ae->mtime ?: apk_get_build_time());
/* Checksum */
strcpy(buf.magic, "ustar ");