shithub: git9

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query: chdir to root of repo for queries

add util for repo finding, use it in git/query.

--- a/conf.c

+++ b/conf.c

@@ -35,25 +35,7 @@

 	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/HEAD", path);

-		if(access(buf, AEXIST) == 0){

-			print("%s\n", path);

-			return;

-		}

-		*p = '\0';

-	}

-	sysfatal("not a git repository");

-}

-

-

 void

 usage(void)

 {

@@ -66,7 +48,7 @@

 void

 main(int argc, char **argv)

 {

-	char *file[32], *p, *s;

+	char *file[32], repo[512], *p, *s;

 	int i, j, nfile, findroot;

 	nfile = 0;

@@ -77,8 +59,12 @@

 	default:	usage();			break;

 	}ARGEND;

-	if(findroot)

-		showroot();

+	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)

--- a/git.h

+++ b/git.h

@@ -278,6 +278,7 @@

 int	hassuffix(char *, char *);

 int	swapsuffix(char *, int, char *, char *, char *);

 char	*strip(char *);

+int	findrepo(char *, int);

 /* packing */

 void	dtinit(Dtab *, void *, int);

--- a/query.c

+++ b/query.c

@@ -130,7 +130,7 @@

 	int i, j, n;

 	Hash *h;

 	char *p, *e, *s;

-	char query[2048];

+	char query[2048], repo[512];

 	ARGBEGIN{

 	case 'p':	fullpath++;	break;

@@ -139,6 +139,10 @@

 	}ARGEND;

 	gitinit();

+	if(findrepo(repo, sizeof(repo)) == -1)

+		sysfatal("find root: %r");

+	if(argc == 0)

+		usage();

 	fmtinstall('P', Pfmt);

 	s = "";

 	p = query;

--- a/util.c

+++ b/util.c

@@ -256,3 +256,25 @@

 	vfprint(2, fmt, ap);

 	va_end(ap);

 }

+

+/* Finds the directory containing the git repo. */

+int

+findrepo(char *buf, int nbuf)

+{

+	char *p, *suff;

+

+	suff = "/.git/HEAD";

+	if(getwd(buf, nbuf - strlen(suff) - 1) == nil)

+		return -1;

+

+	for(p = buf + strlen(buf); p != nil; p = strrchr(buf, '/')){

+		strcpy(p, suff);

+		if(access(buf, AEXIST) == 0){

+			*p = 0;

+			return 0;

+		}

+		*p = '\0';

+	}

+	werrstr("not a git repository");

+	return -1;

+}

--- a/walk.c

+++ b/walk.c

@@ -136,26 +136,6 @@

 	r->npath = o + 1;

 }

-static void

-findroot(void)

-{

-	char path[256], buf[256], *p;

-

-	if(access("/mnt/git/ctl", AEXIST) != 0)

-		sysfatal("no running git/fs");

-	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){

-			chdir(path);

-			return;

-		}

-		*p = '\0';

-	}

-	sysfatal("not a git repository");

-}

-

 int

 sameqid(Dir *d, char *qf)

 {

@@ -224,7 +204,7 @@

 void

 main(int argc, char **argv)

 {

-	char *rpath, *tpath, *bpath, buf[8];

+	char *rpath, *tpath, *bpath, buf[8], repo[512];

 	char *p, *e;

 	int i, dirty;

 	Wres r;

@@ -254,7 +234,11 @@

 		usage();

 	}ARGEND

-	findroot();

+	if(access("/mnt/git/ctl", AEXIST) != 0)

+		sysfatal("no running git/fs");

+	if(findrepo(repo, sizeof(repo)) == -1)

+		sysfatal("find root: %r");

+	chdir(repo);

 	dirty = 0;

 	memset(&r, 0, sizeof(r));

 	if(access("/mnt/git/ctl", AEXIST) != 0)