forked from Mirrors/freeswitch
65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
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/* -*- mode:c; indent-tabs-mode:nil; c-basic-offset:2 -*-
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* Author: Travis Cross <tc@traviscross.com>
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/wait.h>
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#include <time.h>
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int sys(char *buf, int buflen, char *cmd) {
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int i, p[2];
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pipe(p);
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if (!(i=fork())) {
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close(p[0]);
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dup2(p[1],1);
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close(p[1]);
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execlp("sh","sh","-c",cmd,NULL);
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} else {
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int s, x, c=0;
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close(p[1]);
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waitpid(i,&s,0);
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if (!(WIFEXITED(s))) return 255;
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if (WEXITSTATUS(s)) return WEXITSTATUS(s);
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while ((x=read(p[0],buf,buflen-1))>0) c+=x;
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if (x<0) return 1;
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buf[c] = 0;
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}
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return 0;
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}
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int sys1(char *buf, int buflen, char *cmd) {
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int r = sys(buf,buflen,cmd);
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char *c;
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if (r!=0) return r;
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if ((c=strstr(buf,"\n"))) *c=0;
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return 0;
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}
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int main(int argc, char **argv) {
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char buf[256], xdate[256], xfdate[256], xcommit[256], xver[256];
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time_t xdate_t;
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struct tm *xdate_tm;
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sys1(xdate,sizeof(xdate),"git log -n1 --format='%ct' HEAD");
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xdate_t = (time_t) atoi(xdate);
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if (!(xdate_tm = gmtime(&xdate_t))) return 1;
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strftime(xfdate,sizeof(xfdate),"%Y%m%dT%H%M%SZ",xdate_tm);
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sys1(xcommit,sizeof(xcommit),"git rev-list -n1 --abbrev=10 --abbrev-commit HEAD");
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snprintf(xver,sizeof(xver),"+git~%s~%s",xfdate,xcommit);
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if ((sys(buf,sizeof(buf),"git diff-index --quiet HEAD"))) {
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time_t now_t = time(NULL);
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struct tm *now_tm = gmtime(&now_t);
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char now[256];
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if (!now_tm) return 1;
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strftime(now,sizeof(now),"%Y%m%dT%H%M%SZ",now_tm);
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snprintf(buf,sizeof(buf),"%s+unclean~%s",xver,now);
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strncpy(xver,buf,sizeof(xver));
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}
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printf("%s\n",xver);
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return 0;
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}
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