summaryrefslogtreecommitdiff
path: root/build/reqprov.c
blob: bc2f7ea26c518d6520d2f1b13c700b58d4600d03 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/** \ingroup rpmbuild
 * \file build/reqprov.c
 *  Add dependency tags to package header(s).
 */

#include "system.h"

#include <rpm/header.h>
#include <rpm/rpmstring.h>
#include "build/rpmbuild_misc.h"
#include "debug.h"

static int isNewDep(Header h, rpmTagVal nametag,
		  const char *N, const char *EVR, rpmsenseFlags Flags,
		  rpmTagVal indextag, uint32_t index)
{
    int isnew = 1;
    struct rpmtd_s idx;
    rpmds ads = rpmdsNew(h, nametag, 0);
    rpmds bds = rpmdsSingle(nametag, N, EVR, Flags);

    if (indextag) {
	headerGet(h, indextag, &idx, HEADERGET_MINMEM);
    }

    /* XXX there's no guarantee the ds is sorted here so rpmdsFind() wont do */
    rpmdsInit(ads);
    while (isnew && rpmdsNext(ads) >= 0) {
	if (!rstreq(rpmdsN(ads), rpmdsN(bds))) continue;
	if (!rstreq(rpmdsEVR(ads), rpmdsEVR(bds))) continue;
	if (rpmdsFlags(ads) != rpmdsFlags(bds)) continue;
	if (indextag && rpmtdSetIndex(&idx, rpmdsIx(ads)) >= 0 &&
			rpmtdGetNumber(&idx) != index) continue;
	isnew = 0;
    }
    
    if (indextag) {
	rpmtdFreeData(&idx);
    }
    rpmdsFree(ads);
    rpmdsFree(bds);
    return isnew;
}

int addReqProv(Header h, rpmTagVal tagN,
		const char * N, const char * EVR, rpmsenseFlags Flags,
		uint32_t index)
{
    rpmTagVal versiontag = 0;
    rpmTagVal flagtag = 0;
    rpmTagVal indextag = 0;
    rpmsenseFlags extra = RPMSENSE_ANY;

    switch (tagN) {
    case RPMTAG_PROVIDENAME:
	versiontag = RPMTAG_PROVIDEVERSION;
	flagtag = RPMTAG_PROVIDEFLAGS;
	extra = Flags & RPMSENSE_FIND_PROVIDES;
	break;
    case RPMTAG_OBSOLETENAME:
	versiontag = RPMTAG_OBSOLETEVERSION;
	flagtag = RPMTAG_OBSOLETEFLAGS;
	break;
    case RPMTAG_CONFLICTNAME:
	versiontag = RPMTAG_CONFLICTVERSION;
	flagtag = RPMTAG_CONFLICTFLAGS;
	break;
    case RPMTAG_ORDERNAME:
	versiontag = RPMTAG_ORDERVERSION;
	flagtag = RPMTAG_ORDERFLAGS;
	break;
    case RPMTAG_TRIGGERNAME:
	versiontag = RPMTAG_TRIGGERVERSION;
	flagtag = RPMTAG_TRIGGERFLAGS;
	indextag = RPMTAG_TRIGGERINDEX;
	extra = Flags & RPMSENSE_TRIGGER;
	break;
    case RPMTAG_SUGGESTSNAME:
	versiontag = RPMTAG_SUGGESTSVERSION;
	flagtag = RPMTAG_SUGGESTSFLAGS;
	extra = Flags & _ALL_REQUIRES_MASK;
	break;
    case RPMTAG_ENHANCESNAME:
	versiontag = RPMTAG_ENHANCESVERSION;
	flagtag = RPMTAG_ENHANCESFLAGS;
	extra = Flags & _ALL_REQUIRES_MASK;
	break;
    case RPMTAG_REQUIRENAME:
    default:
	tagN = RPMTAG_REQUIRENAME;
	versiontag = RPMTAG_REQUIREVERSION;
	flagtag = RPMTAG_REQUIREFLAGS;
	extra = Flags & _ALL_REQUIRES_MASK;
    }

    /* rpmlib() dependency sanity: only requires permitted, ensure sense bit */
    if (rstreqn(N, "rpmlib(", sizeof("rpmlib(")-1)) {
	if (tagN != RPMTAG_REQUIRENAME) return 1;
	extra |= RPMSENSE_RPMLIB;
    }

    Flags = (Flags & RPMSENSE_SENSEMASK) | extra;

    if (EVR == NULL)
	EVR = "";
    
    /* Avoid adding duplicate dependencies. */
    if (isNewDep(h, tagN, N, EVR, Flags, indextag, index)) {
	headerPutString(h, tagN, N);
	headerPutString(h, versiontag, EVR);
	headerPutUint32(h, flagtag, &Flags, 1);
	if (indextag) {
	    headerPutUint32(h, indextag, &index, 1);
	}
    }

    return 0;
}

int rpmlibNeedsFeature(Header h, const char * feature, const char * featureEVR)
{
    char *reqname = NULL;
    int res;

    rasprintf(&reqname, "rpmlib(%s)", feature);

    res = addReqProv(h, RPMTAG_REQUIRENAME, reqname, featureEVR,
		     RPMSENSE_RPMLIB|(RPMSENSE_LESS|RPMSENSE_EQUAL), 0);

    free(reqname);

    return res;
}