buildroot/package/lzop/0001-allow-overriding-modif...

43 lines
1.5 KiB
Diff

From: =?UTF-8?q?Florian=20B=C3=A4uerle?= <florian.baeuerle@allegion.com>
Date: Thu, 25 Oct 2018 17:26:30 +0200
Subject: [PATCH] allow overriding modification time
This patch allows to set the mtime of the lzop archive to
$SOURCE_DATE_EPOCH, required for reproducible build. It was submitted to
pengutronix by florian Bäuerle in october 2018.
https://git.pengutronix.de/cgit/ptxdist/tree/patches/lzop-1.04/0002-allow-overriding-modification-time.patch
Signed-off-by: Casey Reeves <casey@xogium.me>
---
src/lzop.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/src/lzop.c b/src/lzop.c
index a540ad9c4d33..c2f877d16f92 100644
--- a/src/lzop.c
+++ b/src/lzop.c
@@ -712,6 +712,7 @@ void init_compress_header(header_t *h, const file_t *fip, const file_t *fop)
assert(opt_method > 0);
assert(opt_level > 0);
assert(fip->st.st_mode == 0 || S_ISREG(fip->st.st_mode));
+ const char *source_date_epoch = getenv("SOURCE_DATE_EPOCH");
memset(h,0,sizeof(header_t));
@@ -748,7 +749,13 @@ void init_compress_header(header_t *h, const file_t *fip, const file_t *fop)
h->mode = fix_mode_for_header(fip->st.st_mode);
- if (fip->st.st_mtime > 0)
+ if (source_date_epoch)
+ {
+ time_t mtime = strtoul(source_date_epoch, NULL, 0);
+ h->mtime_low = (lzo_uint32) (mtime);
+ h->mtime_high = (lzo_uint32) ((mtime >> 16) >> 16);
+ }
+ else if (fip->st.st_mtime > 0)
{
h->mtime_low = (lzo_uint32) (fip->st.st_mtime);
h->mtime_high = (lzo_uint32) ((fip->st.st_mtime >> 16) >> 16);