137 lines
4.3 KiB
C++
137 lines
4.3 KiB
C++
// _________ __ __
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// / _____// |_____________ _/ |______ ____ __ __ ______
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// \_____ \\ __\_ __ \__ \\ __\__ \ / ___\| | \/ ___/
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// / \| | | | \// __ \| | / __ \_/ /_/ > | /\___ |
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// /_______ /|__| |__| (____ /__| (____ /\___ /|____//____ >
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// \/ \/ \//_____/ \/
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// ______________________ ______________________
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// T H E W A R B E G I N S
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// Stratagus - A free fantasy real time strategy game engine
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//
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/**@name genversion.cpp - Generate Stratagus header file version-generated.h */
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//
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// (c) Copyright 2013 by Pali Rohár <pali.rohar@gmail.com>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; only version 2 of the License.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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// 02111-1307, USA.
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//
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <ctime>
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/* usage: genversion "/path/to/version-generated.h" "major.minor.path.patch2" */
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int main(int argc, char * argv[]) {
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FILE * file;
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int old_ver[4] = { -1, -1, -1, -1 };
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int new_ver[4] = { -1, -1, -1, -1 };
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char old_rev[1024] {};
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if ( argc != 3 )
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return 1;
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if ( sscanf(argv[2], "%d.%d.%d.%d", &new_ver[0], &new_ver[1], &new_ver[2], &new_ver[3]) != 4 ) {
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new_ver[3] = 0;
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if ( sscanf(argv[2], "%d.%d.%d", &new_ver[0], &new_ver[1], &new_ver[2]) != 3 )
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return 1;
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}
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file = fopen(argv[1], "r");
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if ( file ) {
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if ( fscanf(file, "/* %d %d %d %d %s */", &old_ver[0], &old_ver[1], &old_ver[2], &old_ver[3], old_rev) != 5 ) {
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old_ver[0] = -1;
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old_ver[1] = -1;
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old_ver[2] = -1;
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old_ver[3] = -1;
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}
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fclose(file);
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}
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file = fopen(".git/HEAD", "r");
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char git_rev_buf[1024] {};
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char *git_rev, *gitrevfile;
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if ( file ) {
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git_rev = git_rev_buf;
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if (fscanf(file, "ref: %s", git_rev) != 1 ) {
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fscanf(file, "%s", git_rev);
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}
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fclose(file);
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gitrevfile = (char*)calloc(sizeof(char), strlen(git_rev) + 6);
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sprintf(gitrevfile, ".git/%s", git_rev);
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file = fopen(gitrevfile, "r");
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free(gitrevfile);
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if (file) {
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git_rev = git_rev_buf;
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fscanf(file, "%s", git_rev);
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fclose(file);
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}
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} else {
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git_rev = NULL;
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fprintf(stderr, "Cannot get git revision\n");
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}
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bool needs_update = false;
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for (int i = 0; i < 4; i++) {
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if (old_ver[i] != new_ver[i]) {
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printf("%d %d %d %d - %d %d %d %d\n", old_ver[0], old_ver[1], old_ver[2], old_ver[3], new_ver[0], new_ver[1], new_ver[2], new_ver[3]);
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puts("ver update");
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needs_update = true;
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break;
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}
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}
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if (git_rev == NULL) {
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needs_update = true;
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}
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if (!needs_update) {
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needs_update = strcmp(old_rev, git_rev);
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}
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if (!needs_update) {
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puts("[genversion] no update needed");
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return 0;
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}
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puts("[genversion] update needed");
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file = fopen(argv[1], "w");
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if ( ! file )
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return 1;
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if (git_rev == NULL) {
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fprintf(file, "/* %d %d %d %d no-rev */\n", new_ver[0], new_ver[1], new_ver[2], new_ver[3]);
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} else {
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fprintf(file, "/* %d %d %d %d %s */\n", new_ver[0], new_ver[1], new_ver[2], new_ver[3], git_rev);
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}
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fprintf(file, "/* This file is autogenerated, do not modify it! */\n");
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fprintf(file, "#define StratagusMajorVersion %d\n", new_ver[0]);
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fprintf(file, "#define StratagusMinorVersion %d\n", new_ver[1]);
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fprintf(file, "#define StratagusPatchLevel %d\n", new_ver[2]);
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fprintf(file, "#define StratagusPatchLevel2 %d\n", new_ver[3]);
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if ( git_rev != NULL )
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fprintf(file, "#define StratagusGitRev %s\n", git_rev);
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time_t tt = time(NULL);
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struct tm *tm = gmtime(&tt);
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fprintf(file, "#define StratagusLastModifiedDate \"%02d/%02d/%02d\"\n", tm->tm_mon + 1, tm->tm_mday, tm->tm_year + 1900);
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fprintf(file, "#define StratagusLastModifiedTime \"%02d:%02d:%02d\"\n", tm->tm_hour, tm->tm_min, tm->tm_sec);
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fclose(file);
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return 0;
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}
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