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/* index.c - Alpine Package Keeper (APK)
*
* Copyright (C) 2005-2008 Natanael Copa <n@tanael.org>
* Copyright (C) 2008 Timo Teräs <timo.teras@iki.fi>
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation. See http://www.gnu.org/ for details.
*/
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include "apk_applet.h"
#include "apk_database.h"
#include "apk_print.h"
struct counts {
int unsatisfied;
};
struct index_ctx {
const char *index;
const char *output;
const char *description;
apk_blob_t *rewrite_arch;
time_t index_mtime;
int method;
};
static int index_parse(void *ctx, struct apk_db_options *dbopts,
int optch, int optindex, const char *optarg)
{
struct index_ctx *ictx = (struct index_ctx *) ctx;
switch (optch) {
case 'x':
ictx->index = optarg;
break;
case 'o':
ictx->output = optarg;
break;
case 'd':
ictx->description = optarg;
break;
case 0x10000:
ictx->rewrite_arch = apk_blob_atomize(APK_BLOB_STR(optarg));
break;
default:
return -1;
}
return 0;
}
static int index_read_file(struct apk_database *db, struct index_ctx *ictx)
{
struct apk_file_info fi;
if (ictx->index == NULL)
return 0;
if (apk_file_get_info(AT_FDCWD, ictx->index, APK_CHECKSUM_NONE, &fi) < 0)
return -1;
ictx->index_mtime = fi.mtime;
return apk_db_index_read_file(db, ictx->index, 0);
}
static int warn_if_no_providers(apk_hash_item item, void *ctx)
{
struct counts *counts = (struct counts *) ctx;
struct apk_name *name = (struct apk_name *) item;
if (name->pkgs->num == 0) {
if (++counts->unsatisfied < 10) {
apk_warning("No provider for dependency '%s'",
name->name);
} else if (counts->unsatisfied == 10) {
apk_warning("Too many unsatisfiable dependencies, "
"not reporting the rest.");
}
}
return 0;
}
static int index_main(void *ctx, struct apk_database *db, int argc, char **argv)
{
struct counts counts = {0};
struct apk_ostream *os;
struct apk_file_info fi;
int total, r, i, j, found, newpkgs = 0;
struct index_ctx *ictx = (struct index_ctx *) ctx;
struct apk_package *pkg;
if (isatty(STDOUT_FILENO) && ictx->output == NULL &&
!(apk_flags & APK_FORCE)) {
apk_error("Will not write binary index to console "
"without --force");
return -1;
}
if (ictx->method == 0)
ictx->method = APK_SIGN_GENERATE;
if ((r = index_read_file(db, ictx)) < 0) {
apk_error("%s: %s", ictx->index, apk_error_str(r));
return r;
}
for (i = 0; i < argc; i++) {
if (apk_file_get_info(AT_FDCWD, argv[i], APK_CHECKSUM_NONE, &fi) < 0) {
apk_warning("File '%s' is unaccessible", argv[i]);
continue;
}
found = FALSE;
do {
struct apk_name *name;
char *fname, *fend;
apk_blob_t bname, bver;
/* Check if index is newer than package */
if (ictx->index == NULL || ictx->index_mtime < fi.mtime)
break;
/* Check that it looks like a package name */
fname = strrchr(argv[i], '/');
if (fname == NULL)
fname = argv[i];
else
fname++;
fend = strstr(fname, ".apk");
if (fend == NULL)
break;
if (apk_pkg_parse_name(APK_BLOB_PTR_PTR(fname, fend-1),
&bname, &bver) < 0)
break;
/* If we have it in the old index already? */
name = apk_db_query_name(db, bname);
if (name == NULL)
break;
for (j = 0; j < name->pkgs->num; j++) {
pkg = name->pkgs->item[j];
if (apk_blob_compare(bver, *pkg->version) != 0)
continue;
if (pkg->size != fi.size)
continue;
pkg->filename = strdup(argv[i]);
if (ictx->rewrite_arch != NULL)
pkg->arch = ictx->rewrite_arch;
found = TRUE;
break;
}
} while (0);
if (!found) {
struct apk_sign_ctx sctx;
apk_sign_ctx_init(&sctx, ictx->method, NULL, db->keys_fd);
if (apk_pkg_read(db, argv[i], &sctx, &pkg) == 0)
newpkgs++;
if (ictx->rewrite_arch != NULL)
pkg->arch = ictx->rewrite_arch;
apk_sign_ctx_free(&sctx);
}
}
if (ictx->output != NULL)
os = apk_ostream_to_file(AT_FDCWD, ictx->output, NULL, 0644);
else
os = apk_ostream_to_fd(STDOUT_FILENO);
if (ictx->method == APK_SIGN_GENERATE) {
struct apk_ostream *counter;
os = apk_ostream_gzip(os);
if (ictx->description != NULL) {
memset(&fi, 0, sizeof(fi));
fi.mode = 0644 | S_IFREG;
fi.name = "DESCRIPTION";
fi.size = strlen(ictx->description);
apk_tar_write_entry(os, &fi, ictx->description);
}
memset(&fi, 0, sizeof(fi));
fi.mode = 0644 | S_IFREG;
fi.name = "APKINDEX";
counter = apk_ostream_counter(&fi.size);
apk_db_index_write(db, counter);
counter->close(counter);
apk_tar_write_entry(os, &fi, NULL);
total = apk_db_index_write(db, os);
apk_tar_write_padding(os, &fi);
apk_tar_write_entry(os, NULL, NULL);
} else {
total = apk_db_index_write(db, os);
}
os->close(os);
apk_hash_foreach(&db->available.names, warn_if_no_providers, &counts);
if (counts.unsatisfied != 0)
apk_warning("Total of %d unsatisfiable package "
"names. Your repository maybe broken.",
counts.unsatisfied);
apk_message("Index has %d packages (of which %d are new)",
total, newpkgs);
return 0;
}
static struct apk_option index_options[] = {
{ 'o', "output", "Write the generated index to FILE",
required_argument, "FILE" },
{ 'x', "index", "Read INDEX to speed up new index creation by reusing "
"the information from an old index",
required_argument, "INDEX" },
{ 'd', "description", "Embed TEXT as description and version "
"information of the repository index",
required_argument, "TEXT" },
{ 0x10000, "rewrite-arch", "Use ARCH as architery for all packages",
required_argument, "ARCH" },
};
static struct apk_applet apk_index = {
.name = "index",
.help = "Create repository index file from FILEs.",
.arguments = "FILE...",
.open_flags = APK_OPENF_READ | APK_OPENF_NO_STATE | APK_OPENF_NO_REPOS,
.context_size = sizeof(struct index_ctx),
.num_options = ARRAY_SIZE(index_options),
.options = index_options,
.parse = index_parse,
.main = index_main,
};
APK_DEFINE_APPLET(apk_index);
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