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build/build.c

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#include "system.h"

#include "rpmio_internal.h"
#include "rpmbuild.h"

#include "debug.h"

/*@unchecked@*/
static int _build_debug = 0;

/*@access StringBuf @*/
/*@access urlinfo @*/           /* XXX compared with NULL */
/*@access FD_t @*/

static void doRmSource(Spec spec)
        /*@globals rpmGlobalMacroContext,
                fileSystem@*/
        /*@modifies rpmGlobalMacroContext, fileSystem @*/
{
    struct Source *p;
    Package pkg;
    int rc;
    
#if 0
    rc = Unlink(spec->specFile);
#endif

    for (p = spec->sources; p != NULL; p = p->next) {
        if (! (p->flags & RPMBUILD_ISNO)) {
            const char *fn = rpmGetPath("%{_sourcedir}/", p->source, NULL);
            rc = Unlink(fn);
            fn = _free(fn);
        }
    }

    for (pkg = spec->packages; pkg != NULL; pkg = pkg->next) {
        for (p = pkg->icon; p != NULL; p = p->next) {
            if (! (p->flags & RPMBUILD_ISNO)) {
                const char *fn = rpmGetPath("%{_sourcedir}/", p->source, NULL);
                rc = Unlink(fn);
                fn = _free(fn);
            }
        }
    }
}

/*
 * @todo Single use by %%doc in files.c prevents static.
 */
int doScript(Spec spec, int what, const char *name, StringBuf sb, int test)
{
    const char * rootURL = spec->rootURL;
    const char * rootDir;
    const char *scriptName = NULL;
    const char * buildDirURL = rpmGenPath(rootURL, "%{_builddir}", "");
    const char * buildScript;
    const char * buildCmd = NULL;
    const char * buildTemplate = NULL;
    const char * buildPost = NULL;
    const char * mTemplate = NULL;
    const char * mPost = NULL;
    int argc = 0;
    const char **argv = NULL;
    FILE * fp = NULL;
    urlinfo u = NULL;

    FD_t fd;
    FD_t xfd;
    int child;
    int status;
    int rc;
    
    /*@-branchstate@*/
    switch (what) {
    case RPMBUILD_PREP:
        name = "%prep";
        sb = spec->prep;
        mTemplate = "%{__spec_prep_template}";
        mPost = "%{__spec_prep_post}";
        break;
    case RPMBUILD_BUILD:
        name = "%build";
        sb = spec->build;
        mTemplate = "%{__spec_build_template}";
        mPost = "%{__spec_build_post}";
        break;
    case RPMBUILD_INSTALL:
        name = "%install";
        sb = spec->install;
        mTemplate = "%{__spec_install_template}";
        mPost = "%{__spec_install_post}";
        break;
    case RPMBUILD_CLEAN:
        name = "%clean";
        sb = spec->clean;
        mTemplate = "%{__spec_clean_template}";
        mPost = "%{__spec_clean_post}";
        break;
    case RPMBUILD_RMBUILD:
        name = "--clean";
        mTemplate = "%{__spec_clean_template}";
        mPost = "%{__spec_clean_post}";
        break;
    case RPMBUILD_STRINGBUF:
    default:
        mTemplate = "%{___build_template}";
        mPost = "%{___build_post}";
        break;
    }
    /*@=branchstate@*/

    if ((what != RPMBUILD_RMBUILD) && sb == NULL) {
        rc = 0;
        goto exit;
    }
    
    if (makeTempFile(rootURL, &scriptName, &fd) || fd == NULL || Ferror(fd)) {
        rpmError(RPMERR_SCRIPT, _("Unable to open temp file.\n"));
        rc = RPMERR_SCRIPT;
        goto exit;
    }

#ifdef HAVE_FCHMOD
    switch (rootut) {
    case URL_IS_PATH:
    case URL_IS_UNKNOWN:
        (void)fchmod(Fileno(fd), 0600);
        break;
    default:
        break;
    }
#endif

    /*@-branchstate@*/
    if (fdGetFp(fd) == NULL)
        xfd = Fdopen(fd, "w.fpio");
    else
        xfd = fd;
    /*@=branchstate@*/

    /*@-type@*/ /* FIX: cast? */
    if ((fp = fdGetFp(xfd)) == NULL) {
        rc = RPMERR_SCRIPT;
        goto exit;
    }
    /*@=type@*/
    
    (void) urlPath(rootURL, &rootDir);
    /*@-branchstate@*/
    if (*rootDir == '\0') rootDir = "/";
    /*@=branchstate@*/

    (void) urlPath(scriptName, &buildScript);

    buildTemplate = rpmExpand(mTemplate, NULL);
    buildPost = rpmExpand(mPost, NULL);

    (void) fputs(buildTemplate, fp);

    if (what != RPMBUILD_PREP && what != RPMBUILD_RMBUILD && spec->buildSubdir)
        fprintf(fp, "cd %s\n", spec->buildSubdir);

    if (what == RPMBUILD_RMBUILD) {
        if (spec->buildSubdir)
            fprintf(fp, "rm -rf %s\n", spec->buildSubdir);
    } else
        fprintf(fp, "%s", getStringBuf(sb));

    (void) fputs(buildPost, fp);
    
    (void) Fclose(xfd);

    if (test) {
        rc = 0;
        goto exit;
    }
    
if (_build_debug)
fprintf(stderr, "*** rootURL %s buildDirURL %s\n", rootURL, buildDirURL);
    if (buildDirURL && buildDirURL[0] != '/' &&
        (urlSplit(buildDirURL, &u) != 0)) {
        rc = RPMERR_SCRIPT;
        goto exit;
    }
    if (u != NULL) {
        switch (u->urltype) {
        case URL_IS_FTP:
if (_build_debug)
fprintf(stderr, "*** addMacros\n");
            addMacro(spec->macros, "_remsh", NULL, "%{__remsh}", RMIL_SPEC);
            addMacro(spec->macros, "_remhost", NULL, u->host, RMIL_SPEC);
            if (strcmp(rootDir, "/"))
                addMacro(spec->macros, "_remroot", NULL, rootDir, RMIL_SPEC);
            break;
        case URL_IS_HTTP:
        default:
            break;
        }
    }

    buildCmd = rpmExpand("%{___build_cmd}", " ", buildScript, NULL);
    (void) poptParseArgvString(buildCmd, &argc, &argv);

    rpmMessage(RPMMESS_NORMAL, _("Executing(%s): %s\n"), name, buildCmd);
    if (!(child = fork())) {
        if ( rpm_close_all() ) {
                perror( "rpm_close_all" );
                _exit( -1 );
        }

        /* Unset all known locale environment variables */
        {
                const char *const name[] = {
                        "LANG",
                        "LANGUAGE",
                        "LC_CTYPE",
                        "LC_NUMERIC",
                        "LC_TIME",
                        "LC_COLLATE",
                        "LC_MONETARY",
                        "LC_MESSAGES",
                        "LC_PAPER",
                        "LC_NAME",
                        "LC_ADDRESS",
                        "LC_TELEPHONE",
                        "LC_MEASUREMENT",
                        "LC_IDENTIFICATION",
                        "LC_ALL",
                        0
                };
                unsigned int i;

                for (i = 0; name[i]; ++i)
                        unsetenv (name[i]);
        }

        /*@-mods@*/
        errno = 0;
        /*@=mods@*/
        (void) execvp(argv[0], (char *const *)argv);

        rpmError(RPMERR_SCRIPT, _("Exec of %s failed (%s): %s\n"),
                scriptName, name, strerror(errno));

        _exit(-1);
    }

    rc = waitpid(child, &status, 0);

    if (!WIFEXITED(status) || WEXITSTATUS(status)) {
        rpmError(RPMERR_SCRIPT, _("Bad exit status from %s (%s)\n"),
                 scriptName, name);
        rc = RPMERR_SCRIPT;
    } else
        rc = 0;
    
exit:
    if (scriptName) {
        if (!rc)
            (void) Unlink(scriptName);
        scriptName = _free(scriptName);
    }
    if (u != NULL) {
        switch (u->urltype) {
        case URL_IS_FTP:
        case URL_IS_HTTP:
if (_build_debug)
fprintf(stderr, "*** delMacros\n");
            delMacro(spec->macros, "_remsh");
            delMacro(spec->macros, "_remhost");
            if (strcmp(rootDir, "/"))
                delMacro(spec->macros, "_remroot");
            break;
        default:
            break;
        }
    }
    argv = _free(argv);
    buildCmd = _free(buildCmd);
    buildTemplate = _free(buildTemplate);
    buildPost = _free(buildPost);
    buildDirURL = _free(buildDirURL);

    return rc;
}

int buildSpec(Spec spec, int what, int test)
{
    int rc = 0;

    if (!spec->recursing && spec->BACount) {
        int x;
        /* When iterating over BANames, do the source    */
        /* packaging on the first run, and skip RMSOURCE altogether */
        if (spec->BASpecs != NULL)
        for (x = 0; x < spec->BACount; x++) {
            if ((rc = buildSpec(spec->BASpecs[x],
                                (what & ~RPMBUILD_RMSOURCE) |
                                (x ? 0 : (what & RPMBUILD_PACKAGESOURCE)),
                                test))) {
                goto exit;
            }
        }
    } else {
        if ((what & RPMBUILD_PREP) &&
            (rc = doScript(spec, RPMBUILD_PREP, NULL, NULL, test)))
                goto exit;

        if ((what & RPMBUILD_BUILD) &&
            (rc = doScript(spec, RPMBUILD_BUILD, NULL, NULL, test)))
                goto exit;

        if ((what & RPMBUILD_INSTALL) &&
            (rc = doScript(spec, RPMBUILD_INSTALL, NULL, NULL, test)))
                goto exit;

        if ((what & RPMBUILD_PACKAGESOURCE) &&
            (rc = processSourceFiles(spec)))
                goto exit;

        if (((what & RPMBUILD_INSTALL) || (what & RPMBUILD_PACKAGEBINARY) ||
            (what & RPMBUILD_FILECHECK)) &&
            (rc = processBinaryFiles(spec, what & RPMBUILD_INSTALL, test)))
                goto exit;

        if (((what & RPMBUILD_PACKAGESOURCE) && !test) &&
            (rc = packageSources(spec)))
                return rc;

        if (((what & RPMBUILD_PACKAGEBINARY) && !test) &&
            (rc = packageBinaries(spec)))
                goto exit;
        
        if ((what & RPMBUILD_CLEAN) &&
            (rc = doScript(spec, RPMBUILD_CLEAN, NULL, NULL, test)))
                goto exit;

        if ((what & RPMBUILD_RMBUILD) &&
            (rc = doScript(spec, RPMBUILD_RMBUILD, NULL, NULL, test)))
                goto exit;
    }

    if (what & RPMBUILD_RMSOURCE)
        doRmSource(spec);

    if (what & RPMBUILD_RMSPEC)
        (void) Unlink(spec->specFile);

exit:
    if (rc && rpmlogGetNrecs() > 0) {
        rpmMessage(RPMMESS_NORMAL, _("\n\nRPM build errors:\n"));
        rpmlogPrint(NULL);
    }

    return rc;
}

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