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lib/psm.c: hack to make upgrade packages between branches possible

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(cherry picked from commit c5c67cf171246d433290cb5b917ce3b6a8638880)
This commit is contained in:
Vladimir D. Seleznev 2019-01-18 15:31:06 +03:00 committed by Ivan Zakharyaschev
parent e624792819
commit 69ddb1de4c
1 changed files with 35 additions and 0 deletions
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35
lib/psm.c
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@ -102,6 +102,41 @@ int rpmVersionCompare(Header first, Header second)
if ((rc = rpm_cmp_tag_version(first, second, RPMTAG_RELEASE)))
return rc;
/* hack to make packages upgrade between branches possible */
const char * fdt;
const char * sdt;
if (!headerGetEntry(first, RPMTAG_DISTTAG, NULL, (void **) &fdt, NULL))
fdt = NULL;
if (!headerGetEntry(second, RPMTAG_DISTTAG, NULL, (void **) &sdt, NULL))
sdt = NULL;
if (fdt && sdt) {
size_t flen = 0, slen = 0;
const char * p;
if ((p = strchrnul(fdt, '+')))
flen = p - fdt;
if ((p = strchrnul(sdt, '+')))
slen = p - sdt;
if (flen < slen) {
rc = memcmp(fdt, sdt, flen) > 0 ? 1 : -1;
} else if (flen > slen) {
rc = memcmp(fdt, sdt, slen) < 0 ? -1 : 1;
} else /* flen == slen */ {
rc = memcmp(fdt, sdt, flen);
}
if (rc) {
if (rc > 0)
return 1;
else
return -1;
}
}
if (upgrade_honor_buildtime())
return rpm_cmp_tag_int(first, second, RPMTAG_BUILDTIME);