ref: 87c0fa596894a5bbca89d38c1ccfadbfd7ae8f0a
dir: /conf.c/
#include <u.h> #include <libc.h> #include <ctype.h> #include "git.h" static int showconf(char *cfg, char *sect, char *key) { char *ln, *p; Biobuf *f; int foundsect, nsect, nkey; if((f = Bopen(cfg, OREAD)) == nil) return 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); free(ln); return 1; } free(ln); } return 0; } static void showroot(void) { char path[256], buf[256], *p; if((getwd(path, sizeof(path))) == nil) sysfatal("could not get wd: %r"); while((p = strrchr(path, '/')) != nil){ snprint(buf, sizeof(buf), "%s/.git", path); if(access(buf, AEXIST) == 0){ print("%s\n", path); return; } *p = '\0'; } sysfatal("not a git repository"); } 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 *file[32], *p, *s; int i, j, nfile, findroot; nfile = 0; findroot = 0; ARGBEGIN{ case 'f': file[nfile++]=EARGF(usage()); break; case 'r': findroot++; break; default: usage(); break; }ARGEND; if(findroot) showroot(); if(nfile == 0){ file[nfile++] = ".git/config"; if((p = getenv("home")) != nil) file[nfile++] = smprint("%s/lib/git/config", p); } 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); }