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#include <u.h>
#include <libc.h>
#include <ctype.h>
#include "git.h"
int findroot;
int showall;
int nfile;
char *file[32];
static int
showconf(char *cfg, char *sect, char *key)
{
char *ln, *p;
Biobuf *f;
int foundsect, nsect, nkey, found;
if((f = Bopen(cfg, OREAD)) == nil)
return 0;
found = 0;
nsect = sect ? strlen(sect) : 0;
nkey = strlen(key);
foundsect = (sect == nil);
while((ln = Brdstr(f, '\n', 1)) != nil){
p = strip(ln);
if(*p == '[' && sect){
foundsect = strncmp(sect, ln, nsect) == 0;
}else if(foundsect && strncmp(p, key, nkey) == 0){
p = strip(p + nkey);
if(*p != '=')
continue;
p = strip(p + 1);
print("%s\n", p);
found = 1;
if(!showall){
free(ln);
goto done;
}
}
free(ln);
}
done:
return found;
}
void
usage(void)
{
fprint(2, "usage: %s [-f file] [-r] keys..\n", argv0);
fprint(2, "\t-f: use file 'file' (default: .git/config)\n");
fprint(2, "\t r: print repository root\n");
exits("usage");
}
void
main(int argc, char **argv)
{
char repo[512], *p, *s;
int i, j;
ARGBEGIN{
case 'f': file[nfile++]=EARGF(usage()); break;
case 'r': findroot++; break;
case 'a': showall++; break;
default: usage(); break;
}ARGEND;
if(findroot){
if(findrepo(repo, sizeof(repo)) == -1)
sysfatal("%r");
print("%s\n", repo);
exits(nil);
}
if(nfile == 0){
file[nfile++] = ".git/config";
if((p = getenv("home")) != nil)
file[nfile++] = smprint("%s/lib/git/config", p);
file[nfile++] = "/sys/lib/git/config";
}
for(i = 0; i < argc; i++){
if((p = strchr(argv[i], '.')) == nil){
s = nil;
p = argv[i];
}else{
*p = 0;
p++;
s = smprint("[%s]", argv[i]);
}
for(j = 0; j < nfile; j++)
if(showconf(file[j], s, p))
break;
}
exits(nil);
}
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