ref: 38ea1ac105f4484f02bba3bfbc790ebe4f18f016
dir: /sys/src/cmd/git/conf.c/
#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); }