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#include "spm.h"
int install(const char *destroot, const char *_package) {
char *package = find_package(_package);
if (!package) {
fprintf(SYSERROR);
return -1;
}
if (exists(destroot) != 0) {
if (mkdirs(destroot, 0755) != 0) {
fprintf(SYSERROR);
return -2;
}
}
char cwd[PATH_MAX];
char source[PATH_MAX];
char template[PATH_MAX];
char suffix[PATH_MAX] = "spm_destroot_XXXXXX";
sprintf(template, "%s%c%s", TMP_DIR, DIRSEP, suffix);
// Create a new temporary directory and extract the requested package into it
char *tmpdir = mkdtemp(template);
tar_extract_archive(package, tmpdir);
getcwd(cwd, sizeof(cwd));
RelocationEntry **b_record = NULL;
RelocationEntry **t_record = NULL;
chdir(tmpdir);
{
// Rewrite binary prefixes
RelocationEntry **b_record = prefixes_read(".SPM_PREFIX_BIN");
if (b_record) {
for (int i = 0; b_record[i] != NULL; i++) {
relocate(b_record[i]->path, b_record[i]->prefix, destroot);
}
}
// Rewrite text prefixes
RelocationEntry **t_record = prefixes_read(".SPM_PREFIX_TEXT");
if (t_record) {
for (int i = 0; t_record[i] != NULL; i++) {
file_replace_text(t_record[i]->path, t_record[i]->prefix, destroot);
}
}
prefixes_free(b_record);
prefixes_free(t_record);
}
chdir(cwd);
// Append a trailing slash to tmpdir to direct rsync to copy files, not the directory, into destroot
sprintf(source, "%s%c", tmpdir, DIRSEP);
if (rsync(NULL, source, destroot) != 0) {
exit(1);
}
rmdirs(tmpdir);
free(package);
}
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