[原创]写了个gentoo下的distfiles同步程序

楼主^#

更多发布于：2006-06-09 19:02

根据portage下载最新的软件包，删除distfiles下过期的和没用的软件包。

/*GPL-2,by Desatan(a newbie)*/
#include <stdio.h>
#include <dirent.h>
char s[200];
char fs[1000][200];
char df[500][200];
int i,cnt=0,cntdf=0;
int main(int argc,char *argv[]){
   int flag;
   FILE *src;
   DIR *dist;
   struct dirent *drnt;

   puts("Downloading new files.");
   if(argc==1){
   system("emerge -fe world>/tmp/distsync.tmp");
   src=fopen("/tmp/distsync.tmp","r");
   }
   else if(strcmp("skip",argv[1])){
   src=fopen(argv[1],"r");
   if(src==NULL){
   printf("file %s not exists!",argv[1]);
   exit(1);
   }
   }
   else src=fopen("/tmp/distsync.tmp","r");

   puts("Generaing files needed.");
   do{
   fgets(s,150,src);
   if((strstr(s,"checking")!=NULL)&&(strstr(s,"checksums")==NULL)){
   for(i=13;s!=' ';++i)fs[cnt][i-13]=s;
   fs[cnt++][i-13]='\0';
   }
   }while(!feof(src));
   if(!cnt){
   printf("There is no info about distfiles!");
   exit(2);
   }

   printf("Checking files useless or datepassed.\n");
   dist=opendir("/usr/portage/distfiles");
   while(drnt=readdir(dist)){
   if(drnt->d_name[0]=='.')continue;
   for(i=0;i<cnt;++i){
   flag=0;
   if(!strcmp(drnt->d_name,fs)){flag=1;break;}
   }
   if(!flag){strcpy(df[cntdf++],drnt->d_name);puts(drnt->d_name);}
   }

   printf("Sure to delete these files.[y/n]");
   scanf("%c",&s[0]);
   if(s[0]=='y'){
   for(i=0;i<cntdf;++i){
   sprintf(s,"/usr/portage/distfiles/%s",df);
   if(!unlink(s))printf("%s deleted.\n",df);
   else printf("error!sure u r root.\n");
   }
   }

   return 0;
   }