shithub: git9

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all: sync with 9front fixes.

--- a/add

+++ b/add

@@ -16,17 +16,18 @@

 if(~ $#* 0)

 	exec aux/usage

+paths=`$nl{cleanname -d $gitrel $*}

 if(~ $add tracked)

-	files=`$nl{walk -f $gitrel/$*}

+	files=`$nl{walk -f $paths}

 if not

-	files=`$nl{cd .git/index9/tracked/ && walk -f $gitrel/$*}

+	files=`$nl{cd .git/index9/tracked/ && walk -f $paths}

 for(f in $files){

-	if(! ~ `{cleanname $f} .git/*){

+	if(! ~ `$nl{cleanname $f} .git/*){

 		addpath=.git/index9/$add/$f

 		delpath=.git/index9/$del/$f

-		mkdir -p `{basename -d $addpath}

-		mkdir -p `{basename -d $delpath}

+		mkdir -p `$nl{basename -d $addpath}

+		mkdir -p `$nl{basename -d $delpath}

 		# We don't want a matching qid, so that

 		# git/walk doesn't think this came from

 		# a checkout.

--- a/branch

+++ b/branch

@@ -60,9 +60,10 @@

 commit=`{git/query $base} || die 'branch does not exist:' $base

 if(~ $new */*)

 	mkdir -p .git/`{basename -d $new}

-echo $commit > .git/$new

-if(! ~ $#stay 0)

+if(! ~ $#stay 0){

+	echo $commit > .git/$new

 	exit

+}

 basedir=`{git/query -p $base}

 dirtypaths=()

 cleanpaths=($modified $deleted)

@@ -74,11 +75,12 @@

 	cleanpaths=`$nl{echo $"x$nl$"y | sort | uniq -u}

 }

 if(! ~ $#cleanpaths 0)

-	cleandirs=`$nl{{for(p in $cleanpaths) basename -d $p} | uniq}

+	cleandirs=`$nl{echo $nl^$cleanpaths | sed 's@/[^/]+/?$@@' | uniq}

 if(! ~ $#cleandirs 0){

 	mkdir -p $cleandirs

 	mkdir -p .git/index9/tracked/$cleandirs

 }

+echo $commit > .git/$new

 for(m in $cleanpaths){

 	# Modifications can turn a file into

 	# a directory, or vice versa, so we

--- a/clone

+++ b/clone

@@ -17,7 +17,7 @@

 if(~ $#branch 1)

 	branchflag=(-b $branch)

-if(! ~ `{ls $local | wc -l} 0)

+if(test -e $local)

 	die 'repository already exists:' $local

 fn clone{

--- a/commit

+++ b/commit

@@ -135,7 +135,7 @@

 files=()

 if(! ~ $#* 0)

-	files=`$nl{git/walk -c `$nl{cleanname $gitrel/$*}}

+	files=`$nl{git/walk -c `$nl{cleanname -d $gitrel $*}}

 if(~ $status '' || ~ $#files 0 && ! test -f .git/index9/merge-parents && ~ $#revise 0)

 	die 'nothing to commit' $status

 @{

--- a/common.rc

+++ b/common.rc

@@ -40,12 +40,13 @@

 }

 # merge1 out theirs base ours

-fn merge1 {

+fn merge1 {@{

+	rfork e

 	n=$pid

 	out=$1

-	theirs=$2

+	ours=$2

 	base=$3

-	ours=$4

+	theirs=$4

 	tmp=$out.tmp

 	while(test -f $tmp){

 		tmp=$tmp.$n

@@ -59,7 +60,7 @@

 	if(! test -f $theirs)

 		theirs=/dev/null

 	if(! ape/diff3 -3 -m $ours $base $theirs > $tmp)

-		echo merge needed: $out

+		echo merge needed: $out >[1=2]

 	if(present $ours $base $theirs){

 		mv $tmp $out

@@ -69,7 +70,7 @@

 		rm -f $tmp $out

 		git/rm $out

 	}

-}

+}}

 fn gitup{

 	gitroot=`{git/conf -r >[2]/dev/null}

--- a/diff

+++ b/diff

@@ -12,7 +12,7 @@

 files=()

 if(! ~ $#* 0)

-	files=`{cleanname $gitrel/$*}

+	files=`{cleanname -d $gitrel $*}

 branch=`{git/query -p $commit}

 if(~ $summarize 1){

--- a/init

+++ b/init

@@ -20,7 +20,7 @@

 }

 mkdir -p $dir/.git/refs/^(heads remotes)

-mkdri -p $dir/.git/fs

+mkdir -p $dir/.git/fs

 >$dir/.git/config {

 	echo '[core]'

 	echo '	repositoryformatversion = p9.0'

--- a/mkfile

+++ b/mkfile

@@ -51,12 +51,6 @@

 		mk $MKFLAGS $i.install

 	for (i in $RC)

 		mk $MKFLAGS $i.rcinstall

-	cp git.1.man /sys/man/1/git

-	cp gitfs.4.man /sys/man/4/gitfs

-	cp common.rc /sys/lib/git/common.rc

-

-uninstall:V:

-	rm -rf $BIN /sys/lib/git /sys/man/1/git /sys/man/4/gitfs

 %.rcinstall:V:

 	cp $stem $BIN/$stem

--- a/proto.c

+++ b/proto.c

@@ -285,19 +285,37 @@

 		snprint(cmd, sizeof(cmd), "git-%s-pack", direction);

 		dprint(1, "exec ssh '%s' '%s' %s\n", host, cmd, path);

 		execl("/bin/ssh", "ssh", host, cmd, path, nil);

-	}else{

-		close(pfd[0]);

-		c->type = ConnSsh;

-		c->rfd = pfd[1];

-		c->wfd = dup(pfd[1], -1);

+		sysfatal("exec: %r");

 	}

+	close(pfd[0]);

+	c->type = ConnSsh;

+	c->rfd = pfd[1];

+	c->wfd = dup(pfd[1], -1);

 	return 0;

 }

 static int

+githandshake(Conn *c, char *host, char *path, char *direction)

+{

+	char *p, *e, cmd[512];

+

+	p = cmd;

+	e = cmd + sizeof(cmd);

+	p = seprint(p, e - 1, "git-%s-pack %s", direction, path);

+	if(host != nil)

+		p = seprint(p + 1, e, "host=%s", host);

+	if(writepkt(c, cmd, p - cmd + 1) == -1){

+		fprint(2, "failed to write message\n");

+		closeconn(c);

+		return -1;

+	}

+	return 0;

+}

+

+static int

 dialhjgit(Conn *c, char *host, char *port, char *path, char *direction, int auth)

 {

-	char *ds, *p, *e, cmd[512];

+	char *ds;

 	int pid, pfd[2];

 	if((ds = netmkaddr(host, "tcp", port)) == nil)

@@ -317,30 +335,26 @@

 		else

 			execl("/bin/tlsclient", "tlsclient", ds, nil);

 		sysfatal("exec: %r");

-	}else{

-		close(pfd[0]);

-		p = cmd;

-		e = cmd + sizeof(cmd);

-		p = seprint(p, e - 1, "git-%s-pack %s", direction, path);

-		p = seprint(p + 1, e, "host=%s", host);

-		c->type = ConnGit9;

-		c->rfd = pfd[1];

-		c->wfd = dup(pfd[1], -1);

-		if(writepkt(c, cmd, p - cmd + 1) == -1){

-			fprint(2, "failed to write message\n");

-			close(c->rfd);

-			close(c->wfd);

-			return -1;

-		}

 	}

-	return 0;

+	close(pfd[0]);

+	c->type = ConnGit9;

+	c->rfd = pfd[1];

+	c->wfd = dup(pfd[1], -1);

+	return githandshake(c, host, path, direction);

 }

+void

+initconn(Conn *c, int rd, int wr)

+{

+	c->type = ConnGit;

+	c->rfd = rd;

+	c->wfd = wr;

+}

 static int

 dialgit(Conn *c, char *host, char *port, char *path, char *direction)

 {

-	char *ds, *p, *e, cmd[512];

+	char *ds;

 	int fd;

 	if((ds = netmkaddr(host, "tcp", port)) == nil)

@@ -349,29 +363,53 @@

 	fd = dial(ds, nil, nil, nil);

 	if(fd == -1)

 		return -1;

-	p = cmd;

-	e = cmd + sizeof(cmd);

-	p = seprint(p, e - 1, "git-%s-pack %s", direction, path);

-	p = seprint(p + 1, e, "host=%s", host);

 	c->type = ConnGit;

 	c->rfd = fd;

 	c->wfd = dup(fd, -1);

-	if(writepkt(c, cmd, p - cmd + 1) == -1){

-		fprint(2, "failed to write message\n");

-		close(fd);

-		return -1;

-	}

-	return 0;

+	return githandshake(c, host, path, direction);

 }

-void

-initconn(Conn *c, int rd, int wr)

+static int

+servelocal(Conn *c, char *path, char *direction)

 {

+	int pid, pfd[2];

+

+	if(pipe(pfd) == -1)

+		sysfatal("unable to open pipe: %r");

+	pid = fork();

+	if(pid == -1)

+		sysfatal("unable to fork");

+	if(pid == 0){

+		close(pfd[1]);

+		dup(pfd[0], 0);

+		dup(pfd[0], 1);

+		execl("/bin/git/serve", "serve", "-w", nil);

+		sysfatal("exec: %r");

+	}

+	close(pfd[0]);

 	c->type = ConnGit;

-	c->rfd = rd;

-	c->wfd = wr;

+	c->rfd = pfd[1];

+	c->wfd = dup(pfd[1], -1);

+	return githandshake(c, nil, path, direction);

 }

+static int

+localrepo(char *uri, char *path, int npath)

+{

+	int fd;

+

+	snprint(path, npath, "%s/.git/../", uri);

+	fd = open(path, OREAD);

+	if(fd < 0)

+		return -1;

+	if(fd2path(fd, path, npath) != 0){

+		close(fd);

+		return -1;

+	}

+	close(fd);

+	return 0;

+}

+

 int

 gitconnect(Conn *c, char *uri, char *direction)

 {

@@ -378,12 +416,16 @@

 	char proto[Nproto], host[Nhost], port[Nport];

 	char repo[Nrepo], path[Npath];

+	memset(c, 0, sizeof(Conn));

+	c->rfd = c->wfd = c->cfd = -1;

+

+	if(localrepo(uri, path, sizeof(path)) == 0)

+		return servelocal(c, path, direction);

+

 	if(parseuri(uri, proto, host, port, path, repo) == -1){

 		werrstr("bad uri %s", uri);

 		return -1;

 	}

-

-	memset(c, 0, sizeof(Conn));

 	if(strcmp(proto, "ssh") == 0)

 		return dialssh(c, host, port, path, direction);

 	else if(strcmp(proto, "git") == 0)

--- a/save.c

+++ b/save.c

@@ -345,11 +345,17 @@

 main(int argc, char **argv)

 {

 	Hash th, ch, parents[Maxparents];

-	char *msg, *name, *email, *dstr;

-	int i, r, nparents;

+	char *msg, *name, *email, *dstr, cwd[1024];

+	int i, r, ncwd, nparents;

 	vlong date;

 	Object *t;

+	gitinit();

+	gitinit();

+	if(access(".git", AEXIST) != 0)

+		sysfatal("could not find git repo: %r");

+	if(getwd(cwd, sizeof(cwd)) == nil)

+		sysfatal("getcwd: %r");

 	msg = nil;

 	name = nil;

 	email = nil;

@@ -356,7 +362,8 @@

 	dstr = nil;

 	date = time(nil);

 	nparents = 0;

-	gitinit();

+	ncwd = strlen(cwd);

+

 	ARGBEGIN{

 	case 'm':	msg = EARGF(usage());	break;

 	case 'n':	name = EARGF(usage());	break;

@@ -385,12 +392,14 @@

 	}

 	if(msg == nil || name == nil)

 		usage();

-	for(i = 0; i < argc; i++)

+	for(i = 0; i < argc; i++){

 		cleanname(argv[i]);

+		if(*argv[i] == '/' && strncmp(argv[i], cwd, ncwd) == 0)

+			argv[i] += ncwd;

+		while(*argv[i] == '/')

+			argv[i]++;

+	}

-	gitinit();

-	if(access(".git", AEXIST) != 0)

-		sysfatal("could not find git repo: %r");

 	t = findroot();

 	r = treeify(t, argv, argv + argc, 0, &th);

 	if(r == -1)

--- a/serve.c

+++ b/serve.c

@@ -5,8 +5,7 @@

 #include "git.h"

-char	*pathpfx = "/usr/git";

-char	*namespace = nil;

+char	*pathpfx = nil;

 int	allowwrite;

 int

@@ -498,7 +497,6 @@

 main(int argc, char **argv)

 {

 	char *repo, cmd[32], buf[512];

-	char *user;

 	Conn c;

 	ARGBEGIN{

@@ -510,9 +508,6 @@

 		if(*pathpfx != '/')

 			sysfatal("path prefix must begin with '/'");

 		break;

-	case 'n':

-		namespace=EARGF(usage());

-		break;

 	case 'w':

 		allowwrite++;

 		break;

@@ -522,14 +517,13 @@

 	}ARGEND;

 	gitinit();

-	user = "none";

 	interactive = 0;

-	if(allowwrite)

-		user = getuser();

-	if(newns(user, namespace) == -1)

-		sysfatal("addns: %r");

-	if(bind(pathpfx, "/", MREPL) == -1)

-		sysfatal("bind: %r");

+	if(rfork(RFNAMEG) == -1)

+		sysfatal("rfork: %r");

+	if(pathpfx != nil){

+		if(bind(pathpfx, "/", MREPL) == -1)

+			sysfatal("bind: %r");

+	}

 	if(rfork(RFNOMNT) == -1)

 		sysfatal("rfork: %r");