Attachment 7275 Details for Bug 34200 – SOURCE_DATE_EPOCH patch

[patch] SOURCE_DATE_EPOCH patch

0001-Add-support-for-SOURCE_DATE_EPOCH-environment-variab.patch (text/plain), 1.96 KB, created by Vladimir D. Seleznev on 2017-11-15 20:02:53 MSK

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Creator: Vladimir D. Seleznev

Created: 2017-11-15 20:02:53 MSK

Size: 1.96 KB

patch

obsolete

>From db8bb73cd9ded427ab346b557b3c97ba425400d0 Mon Sep 17 00:00:00 2001
>From: "Vladimir D. Seleznev" <vseleznv@altlinux.org>
>Date: Tue, 14 Nov 2017 22:01:15 +0300
>Subject: [PATCH 1/2] Add support for SOURCE_DATE_EPOCH environment variable
>
>This allows rpmbuild to override file timestamps.
>
>Based on rpm.org commit 8d84878.
>---
> build/files.c | 27 ++++++++++++++++++++++++++-
> 1 file changed, 26 insertions(+), 1 deletion(-)
>
>diff --git a/build/files.c b/build/files.c
>index fd70c9d..990155f 100644
>--- a/build/files.c
>+++ b/build/files.c
>@@ -8,6 +8,7 @@
> 
> #define	MYALLPERMS	07777
> 
>+#include <stdlib.h>
> #include <regex.h>
> #include <signal.h>	/* getOutputFrom() */
> 
>@@ -997,7 +998,27 @@ static void genCpioListAndHeader(Spec spec, /*@partial@*/ FileList fl,
>     FileListRec flp;
>     char buf[BUFSIZ];
>     int i;
>-    
>+    int override_date = 0;
>+    time_t source_date_epoch;
>+    const char *srcdate = getenv("SOURCE_DATE_EPOCH");
>+
>+    /* Limit the maximum date to SOURCE_DATE_EPOCH if defined
>+     * similar to the tar --clamp-mtime option
>+     * https://reproducible-builds.org/specs/source-date-epoch/
>+     */
>+    if (srcdate && *srcdate) {
>+	char *endptr;
>+	errno = 0;
>+	source_date_epoch = strtol(srcdate, &endptr, 10);
>+	if (srcdate == endptr || *endptr
>+	    || ((source_date_epoch == LONG_MIN || source_date_epoch == LONG_MAX)
>+		&& errno != 0)) {
>+	    rpmlog(RPMLOG_ERR, _("unable to parse %s=%s\n"), "SOURCE_DATE_EPOCH", srcdate);
>+	} else {
>+	    override_date = 1;
>+	}
>+    }
>+
>     /* Sort the big list */
>     qsort(fl->fileList, fl->fileListRecsUsed,
> 	  sizeof(*(fl->fileList)), compareFileListRecs);
>@@ -1068,6 +1089,10 @@ static void genCpioListAndHeader(Spec spec, /*@partial@*/ FileList fl,
> 	    continue;
> 	}
> 
>+	if (override_date && flp->fl_mtime > source_date_epoch) {
>+	    flp->fl_mtime = source_date_epoch;
>+	}
>+
> 	/* Omit '/' and/or URL prefix, leave room for "./" prefix */
> 	apathlen += (strlen(flp->fileURL) - skipLen + (_addDotSlash ? 3 : 1));
> 
>-- 
>2.10.4
>

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Attachments on bug 34200: 7275