318 lines
7.8 KiB
C
318 lines
7.8 KiB
C
/** \ingroup rpmbuild
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* \file build/parseScript.c
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* Parse install-time script section from spec file.
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*/
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#include "system.h"
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#include "rpmbuild.h"
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#include "debug.h"
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/*@access StringBuf@*/ /* XXX compared with NULL */
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/*@access poptContext @*/ /* compared with NULL */
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/**
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*/
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static int addTriggerIndex(Package pkg, const char *file,
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const char *script, const char *prog)
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/*@modifies pkg->triggerFiles @*/
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{
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struct TriggerFileEntry *tfe;
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struct TriggerFileEntry *list = pkg->triggerFiles;
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struct TriggerFileEntry *last = NULL;
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int index = 0;
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while (list) {
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last = list;
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list = list->next;
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}
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if (last)
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index = last->index + 1;
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tfe = xcalloc(1, sizeof(*tfe));
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tfe->fileName = (file) ? xstrdup(file) : NULL;
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tfe->script = (script && *script != '\0') ? xstrdup(script) : NULL;
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tfe->prog = xstrdup(prog);
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tfe->index = index;
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tfe->next = NULL;
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if (last)
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last->next = tfe;
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else
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pkg->triggerFiles = tfe;
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return index;
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}
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/* these have to be global because of stupid compilers */
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/*@unchecked@*/
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/*@observer@*/ /*@null@*/ static const char *name = NULL;
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/*@unchecked@*/
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/*@observer@*/ /*@null@*/ static const char *prog = NULL;
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/*@unchecked@*/
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/*@observer@*/ /*@null@*/ static const char *file = NULL;
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/*@unchecked@*/
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static struct poptOption optionsTable[] = {
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{ NULL, 'p', POPT_ARG_STRING, &prog, 'p', NULL, NULL},
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{ NULL, 'n', POPT_ARG_STRING, &name, 'n', NULL, NULL},
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{ NULL, 'f', POPT_ARG_STRING, &file, 'f', NULL, NULL},
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{ 0, 0, 0, 0, 0, NULL, NULL}
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};
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/* %trigger is a strange combination of %pre and Requires: behavior */
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/* We can handle it by parsing the args before "--" in parseScript. */
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/* We then pass the remaining arguments to parseRCPOT, along with */
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/* an index we just determined. */
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int parseScript(Spec spec, int parsePart)
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{
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/* There are a few options to scripts: */
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/* <pkg> */
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/* -n <pkg> */
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/* -p <sh> */
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/* -p "<sh> <args>..." */
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/* -f <file> */
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char *p;
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const char **progArgv = NULL;
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int progArgc;
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char *partname = NULL;
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int reqtag = 0;
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int tag = 0;
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int tagflags = 0;
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int progtag = 0;
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int flag = PART_SUBNAME;
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Package pkg;
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StringBuf sb = NULL;
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int nextPart;
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int index;
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char reqargs[BUFSIZ];
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int rc, argc;
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int arg;
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const char **argv = NULL;
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poptContext optCon = NULL;
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reqargs[0] = '\0';
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/*@-mods@*/
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name = NULL;
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prog = "/bin/sh";
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file = NULL;
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/*@=mods@*/
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/*@-branchstate@*/
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switch (parsePart) {
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case PART_PRE:
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tag = RPMTAG_PREIN;
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tagflags = RPMSENSE_SCRIPT_PRE;
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progtag = RPMTAG_PREINPROG;
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partname = "%pre";
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break;
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case PART_POST:
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tag = RPMTAG_POSTIN;
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tagflags = RPMSENSE_SCRIPT_POST;
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progtag = RPMTAG_POSTINPROG;
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partname = "%post";
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break;
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case PART_PREUN:
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tag = RPMTAG_PREUN;
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tagflags = RPMSENSE_SCRIPT_PREUN;
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progtag = RPMTAG_PREUNPROG;
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partname = "%preun";
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break;
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case PART_POSTUN:
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tag = RPMTAG_POSTUN;
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tagflags = RPMSENSE_SCRIPT_POSTUN;
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progtag = RPMTAG_POSTUNPROG;
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partname = "%postun";
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break;
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case PART_VERIFYSCRIPT:
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tag = RPMTAG_VERIFYSCRIPT;
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tagflags = RPMSENSE_SCRIPT_VERIFY;
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progtag = RPMTAG_VERIFYSCRIPTPROG;
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partname = "%verifyscript";
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break;
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case PART_TRIGGERIN:
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tag = RPMTAG_TRIGGERSCRIPTS;
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tagflags = 0;
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reqtag = RPMTAG_TRIGGERIN;
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progtag = RPMTAG_TRIGGERSCRIPTPROG;
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partname = "%triggerin";
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break;
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case PART_TRIGGERUN:
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tag = RPMTAG_TRIGGERSCRIPTS;
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tagflags = 0;
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reqtag = RPMTAG_TRIGGERUN;
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progtag = RPMTAG_TRIGGERSCRIPTPROG;
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partname = "%triggerun";
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break;
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case PART_TRIGGERPOSTUN:
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tag = RPMTAG_TRIGGERSCRIPTS;
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tagflags = 0;
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reqtag = RPMTAG_TRIGGERPOSTUN;
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progtag = RPMTAG_TRIGGERSCRIPTPROG;
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partname = "%triggerpostun";
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break;
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}
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/*@=branchstate@*/
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if (tag == RPMTAG_TRIGGERSCRIPTS) {
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/* break line into two */
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p = strstr(spec->line, "--");
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if (!p) {
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rpmError(RPMERR_BADSPEC, _("line %d: triggers must have --: %s\n"),
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spec->lineNum, spec->line);
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return RPMERR_BADSPEC;
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}
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*p = '\0';
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strcpy(reqargs, p + 2);
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}
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if ((rc = poptParseArgvString(spec->line, &argc, &argv))) {
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rpmError(RPMERR_BADSPEC, _("line %d: Error parsing %s: %s\n"),
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spec->lineNum, partname, poptStrerror(rc));
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return RPMERR_BADSPEC;
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}
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optCon = poptGetContext(NULL, argc, argv, optionsTable, 0);
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while ((arg = poptGetNextOpt(optCon)) > 0) {
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switch (arg) {
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case 'p':
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if (prog[0] != '/') {
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rpmError(RPMERR_BADSPEC,
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_("line %d: script program must begin "
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"with \'/\': %s\n"), spec->lineNum, prog);
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rc = RPMERR_BADSPEC;
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goto exit;
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}
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/*@switchbreak@*/ break;
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case 'n':
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flag = PART_NAME;
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/*@switchbreak@*/ break;
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}
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}
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if (arg < -1) {
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rpmError(RPMERR_BADSPEC, _("line %d: Bad option %s: %s\n"),
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spec->lineNum,
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poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
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spec->line);
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rc = RPMERR_BADSPEC;
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goto exit;
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}
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if (poptPeekArg(optCon)) {
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/*@-mods@*/
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if (name == NULL)
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name = poptGetArg(optCon);
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/*@=mods@*/
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if (poptPeekArg(optCon)) {
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rpmError(RPMERR_BADSPEC, _("line %d: Too many names: %s\n"),
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spec->lineNum,
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spec->line);
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rc = RPMERR_BADSPEC;
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goto exit;
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}
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}
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if (lookupPackage(spec, name, flag, &pkg)) {
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rpmError(RPMERR_BADSPEC, _("line %d: Package does not exist: %s\n"),
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spec->lineNum, spec->line);
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rc = RPMERR_BADSPEC;
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goto exit;
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}
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if (tag != RPMTAG_TRIGGERSCRIPTS) {
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if (headerIsEntry(pkg->header, progtag)) {
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rpmError(RPMERR_BADSPEC, _("line %d: Second %s\n"),
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spec->lineNum, partname);
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rc = RPMERR_BADSPEC;
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goto exit;
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}
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}
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if ((rc = poptParseArgvString(prog, &progArgc, &progArgv))) {
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rpmError(RPMERR_BADSPEC, _("line %d: Error parsing %s: %s\n"),
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spec->lineNum, partname, poptStrerror(rc));
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rc = RPMERR_BADSPEC;
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goto exit;
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}
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sb = newStringBuf();
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if ((rc = readLine(spec, STRIP_NOTHING)) > 0) {
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nextPart = PART_NONE;
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} else {
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if (rc)
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goto exit;
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while (! (nextPart = isPart(spec->line))) {
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appendStringBuf(sb, spec->line);
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if ((rc = readLine(spec, STRIP_NOTHING)) > 0) {
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nextPart = PART_NONE;
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break;
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}
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if (rc)
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goto exit;
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}
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}
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stripTrailingBlanksStringBuf(sb);
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p = getStringBuf(sb);
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(void) addReqProv(spec, pkg->header, (tagflags | RPMSENSE_INTERP), progArgv[0], NULL, 0);
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/* Trigger script insertion is always delayed in order to */
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/* get the index right. */
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if (tag == RPMTAG_TRIGGERSCRIPTS) {
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/* Add file/index/prog triple to the trigger file list */
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index = addTriggerIndex(pkg, file, p, progArgv[0]);
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/* Generate the trigger tags */
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if ((rc = parseRCPOT(spec, pkg, reqargs, reqtag, index, tagflags)))
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goto exit;
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} else {
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if (progArgc == 1)
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(void) headerAddEntry(pkg->header, progtag, RPM_STRING_TYPE,
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*progArgv, progArgc);
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else {
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(void) rpmlibNeedsFeature(pkg->header,
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"ScriptletInterpreterArgs", "4.0.3-1");
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(void) headerAddEntry(pkg->header, progtag, RPM_STRING_ARRAY_TYPE,
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progArgv, progArgc);
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}
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if (*p != '\0')
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(void) headerAddEntry(pkg->header, tag, RPM_STRING_TYPE, p, 1);
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if (file) {
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switch (parsePart) {
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case PART_PRE:
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pkg->preInFile = xstrdup(file);
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break;
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case PART_POST:
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pkg->postInFile = xstrdup(file);
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break;
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case PART_PREUN:
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pkg->preUnFile = xstrdup(file);
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break;
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case PART_POSTUN:
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pkg->postUnFile = xstrdup(file);
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break;
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case PART_VERIFYSCRIPT:
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pkg->verifyFile = xstrdup(file);
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break;
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}
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}
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}
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rc = nextPart;
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exit:
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sb = freeStringBuf(sb);
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progArgv = _free(progArgv);
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argv = _free(argv);
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optCon = poptFreeContext(optCon);
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return rc;
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}
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