X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=ls-files.c;h=df93cf2263e34cba6f0dcb9f63c01cef368434e3;hb=39c015c556f285106931e0500f301de462b0e46e;hp=41a1f9d1c261ea19e6cc2d75effcd06652d8fcde;hpb=fee8825613001931daaa30d038521ae2a85d5234;p=git.git

diff --git a/ls-files.c b/ls-files.c
index 41a1f9d1..df93cf22 100644
--- a/ls-files.c
+++ b/ls-files.c
@@ -9,6 +9,7 @@
 #include <fnmatch.h>
 
 #include "cache.h"
+#include "quote.h"
 
 static int show_deleted = 0;
 static int show_cached = 0;
@@ -16,16 +17,25 @@ static int show_others = 0;
 static int show_ignored = 0;
 static int show_stage = 0;
 static int show_unmerged = 0;
+static int show_modified = 0;
 static int show_killed = 0;
+static int show_other_directories = 0;
 static int line_terminator = '\n';
 
+static int prefix_len = 0, prefix_offset = 0;
+static const char *prefix = NULL;
+static const char **pathspec = NULL;
+static int error_unmatch = 0;
+static char *ps_matched = NULL;
+
 static const char *tag_cached = "";
 static const char *tag_unmerged = "";
 static const char *tag_removed = "";
 static const char *tag_other = "";
 static const char *tag_killed = "";
+static const char *tag_modified = "";
 
-static char *exclude_per_dir = NULL;
+static const char *exclude_per_dir = NULL;
 
 /* We maintain three exclude pattern lists:
  * EXC_CMDL lists patterns explicitly given on the command line.
@@ -90,7 +100,7 @@ static int add_excludes_from_file_1(const char *fname,
 	for (i = 0; i < size; i++) {
 		if (buf[i] == '\n') {
 			if (entry != buf + i && entry[0] != '#') {
-				buf[i] = 0;
+				buf[i - (i && buf[i-1] == '\r')] = 0;
 				add_exclude(entry, base, baselen, which);
 			}
 			entry = buf + i + 1;
@@ -162,7 +172,7 @@ static int excluded_1(const char *pathname,
 			}
 			else {
 				/* match with FNM_PATHNAME:
-				 * exclude has base (baselen long) inplicitly
+				 * exclude has base (baselen long) implicitly
 				 * in front of it.
 				 */
 				int baselen = x->baselen;
@@ -201,7 +211,7 @@ static int excluded(const char *pathname)
 
 struct nond_on_fs {
 	int len;
-	char name[0];
+	char name[FLEX_ARRAY]; /* more */
 };
 
 static struct nond_on_fs **dir;
@@ -222,9 +232,21 @@ static void add_name(const char *pathname, int len)
 	ent = xmalloc(sizeof(*ent) + len + 1);
 	ent->len = len;
 	memcpy(ent->name, pathname, len);
+	ent->name[len] = 0;
 	dir[nr_dir++] = ent;
 }
 
+static int dir_exists(const char *dirname, int len)
+{
+	int pos = cache_name_pos(dirname, len);
+	if (pos >= 0)
+		return 1;
+	pos = -pos-1;
+	if (pos >= active_nr) /* can't */
+		return 0;
+	return !strncmp(active_cache[pos]->name, dirname, len);
+}
+
 /*
  * Read a directory tree. We currently ignore anything but
  * directories, regular files and symlinks. That's because git
@@ -273,8 +295,12 @@ static void read_directory(const char *path, const char *base, int baselen)
 				/* fallthrough */
 			case DT_DIR:
 				memcpy(fullname + baselen + len, "/", 2);
+				len++;
+				if (show_other_directories &&
+				    !dir_exists(fullname, baselen + len))
+					break;
 				read_directory(fullname, fullname,
-					       baselen + len + 1);
+					       baselen + len);
 				continue;
 			case DT_REG:
 			case DT_LNK:
@@ -297,6 +323,80 @@ static int cmp_name(const void *p1, const void *p2)
 				  e2->name, e2->len);
 }
 
+/*
+ * Match a pathspec against a filename. The first "len" characters
+ * are the common prefix
+ */
+static int match(const char **spec, char *ps_matched,
+		 const char *filename, int len)
+{
+	const char *m;
+
+	while ((m = *spec++) != NULL) {
+		int matchlen = strlen(m + len);
+
+		if (!matchlen)
+			goto matched;
+		if (!strncmp(m + len, filename + len, matchlen)) {
+			if (m[len + matchlen - 1] == '/')
+				goto matched;
+			switch (filename[len + matchlen]) {
+			case '/': case '\0':
+				goto matched;
+			}
+		}
+		if (!fnmatch(m + len, filename + len, 0))
+			goto matched;
+		if (ps_matched)
+			ps_matched++;
+		continue;
+	matched:
+		if (ps_matched)
+			*ps_matched = 1;
+		return 1;
+	}
+	return 0;
+}
+
+static void show_dir_entry(const char *tag, struct nond_on_fs *ent)
+{
+	int len = prefix_len;
+	int offset = prefix_offset;
+
+	if (len >= ent->len)
+		die("git-ls-files: internal error - directory entry not superset of prefix");
+
+	if (pathspec && !match(pathspec, ps_matched, ent->name, len))
+		return;
+
+	fputs(tag, stdout);
+	write_name_quoted("", 0, ent->name + offset, line_terminator, stdout);
+	putchar(line_terminator);
+}
+
+static void show_other_files(void)
+{
+	int i;
+	for (i = 0; i < nr_dir; i++) {
+		/* We should not have a matching entry, but we
+		 * may have an unmerged entry for this path.
+		 */
+		struct nond_on_fs *ent = dir[i];
+		int pos = cache_name_pos(ent->name, ent->len);
+		struct cache_entry *ce;
+		if (0 <= pos)
+			die("bug in show-other-files");
+		pos = -pos - 1;
+		if (pos < active_nr) { 
+			ce = active_cache[pos];
+			if (ce_namelen(ce) == ent->len &&
+			    !memcmp(ce->name, ent->name, ent->len))
+				continue; /* Yup, this one exists unmerged */
+		}
+		show_dir_entry(tag_other, ent);
+	}
+}
+
 static void show_killed_files(void)
 {
 	int i;
@@ -342,9 +442,36 @@ static void show_killed_files(void)
 			}
 		}
 		if (killed)
-			printf("%s%.*s%c", tag_killed,
-			       dir[i]->len, dir[i]->name,
-			       line_terminator);
+			show_dir_entry(tag_killed, dir[i]);
+	}
+}
+
+static void show_ce_entry(const char *tag, struct cache_entry *ce)
+{
+	int len = prefix_len;
+	int offset = prefix_offset;
+
+	if (len >= ce_namelen(ce))
+		die("git-ls-files: internal error - cache entry not superset of prefix");
+
+	if (pathspec && !match(pathspec, ps_matched, ce->name, len))
+		return;
+
+	if (!show_stage) {
+		fputs(tag, stdout);
+		write_name_quoted("", 0, ce->name + offset,
+				  line_terminator, stdout);
+		putchar(line_terminator);
+	}
+	else {
+		printf("%s%06o %s %d\t",
+		       tag,
+		       ntohl(ce->ce_mode),
+		       sha1_to_hex(ce->sha1),
+		       ce_stage(ce));
+		write_name_quoted("", 0, ce->name + offset,
+				  line_terminator, stdout);
+		putchar(line_terminator);
 	}
 }
 
@@ -354,13 +481,35 @@ static void show_files(void)
 
 	/* For cached/deleted files we don't need to even do the readdir */
 	if (show_others || show_killed) {
-		read_directory(".", "", 0);
+		const char *path = ".", *base = "";
+		int baselen = prefix_len;
+
+		if (baselen) {
+			path = base = prefix;
+			if (exclude_per_dir) {
+				char *p, *pp = xmalloc(baselen+1);
+				memcpy(pp, prefix, baselen+1);
+				p = pp;
+				while (1) {
+					char save = *p;
+					*p = 0;
+					push_exclude_per_directory(pp, p-pp);
+					*p++ = save;
+					if (!save)
+						break;
+					p = strchr(p, '/');
+					if (p)
+						p++;
+					else
+						p = pp + baselen;
+				}
+				free(pp);
+			}
+		}
+		read_directory(path, base, baselen);
 		qsort(dir, nr_dir, sizeof(struct nond_on_fs *), cmp_name);
 		if (show_others)
-			for (i = 0; i < nr_dir; i++)
-				printf("%s%.*s%c", tag_other,
-				       dir[i]->len, dir[i]->name,
-				       line_terminator);
+			show_other_files();
 		if (show_killed)
 			show_killed_files();
 	}
@@ -371,92 +520,216 @@ static void show_files(void)
 				continue;
 			if (show_unmerged && !ce_stage(ce))
 				continue;
-			if (!show_stage)
-				printf("%s%s%c",
-				       ce_stage(ce) ? tag_unmerged :
-				       tag_cached,
-				       ce->name, line_terminator);
-			else
-				printf("%s%06o %s %d\t%s%c",
-				       ce_stage(ce) ? tag_unmerged :
-				       tag_cached,
-				       ntohl(ce->ce_mode),
-				       sha1_to_hex(ce->sha1),
-				       ce_stage(ce),
-				       ce->name, line_terminator); 
+			show_ce_entry(ce_stage(ce) ? tag_unmerged : tag_cached, ce);
 		}
 	}
-	if (show_deleted) {
+	if (show_deleted | show_modified) {
 		for (i = 0; i < active_nr; i++) {
 			struct cache_entry *ce = active_cache[i];
 			struct stat st;
+			int err;
 			if (excluded(ce->name) != show_ignored)
 				continue;
-			if (!lstat(ce->name, &st))
-				continue;
-			printf("%s%s%c", tag_removed, ce->name,
-			       line_terminator);
+			err = lstat(ce->name, &st);
+			if (show_deleted && err)
+				show_ce_entry(tag_removed, ce);
+			if (show_modified && ce_modified(ce, &st))
+				show_ce_entry(tag_modified, ce);
+		}
+	}
+}
+
+/*
+ * Prune the index to only contain stuff starting with "prefix"
+ */
+static void prune_cache(void)
+{
+	int pos = cache_name_pos(prefix, prefix_len);
+	unsigned int first, last;
+
+	if (pos < 0)
+		pos = -pos-1;
+	active_cache += pos;
+	active_nr -= pos;
+	first = 0;
+	last = active_nr;
+	while (last > first) {
+		int next = (last + first) >> 1;
+		struct cache_entry *ce = active_cache[next];
+		if (!strncmp(ce->name, prefix, prefix_len)) {
+			first = next+1;
+			continue;
 		}
+		last = next;
 	}
+	active_nr = last;
 }
 
-static const char *ls_files_usage =
-	"git-ls-files [-z] [-t] (--[cached|deleted|others|stage|unmerged|killed])* "
+static void verify_pathspec(void)
+{
+	const char **p, *n, *prev;
+	char *real_prefix;
+	unsigned long max;
+
+	prev = NULL;
+	max = PATH_MAX;
+	for (p = pathspec; (n = *p) != NULL; p++) {
+		int i, len = 0;
+		for (i = 0; i < max; i++) {
+			char c = n[i];
+			if (prev && prev[i] != c)
+				break;
+			if (!c || c == '*' || c == '?')
+				break;
+			if (c == '/')
+				len = i+1;
+		}
+		prev = n;
+		if (len < max) {
+			max = len;
+			if (!max)
+				break;
+		}
+	}
+
+	if (prefix_offset > max || memcmp(prev, prefix, prefix_offset))
+		die("git-ls-files: cannot generate relative filenames containing '..'");
+
+	real_prefix = NULL;
+	prefix_len = max;
+	if (max) {
+		real_prefix = xmalloc(max + 1);
+		memcpy(real_prefix, prev, max);
+		real_prefix[max] = 0;
+	}
+	prefix = real_prefix;
+}
+
+static const char ls_files_usage[] =
+	"git-ls-files [-z] [-t] (--[cached|deleted|others|stage|unmerged|killed|modified])* "
 	"[ --ignored ] [--exclude=<pattern>] [--exclude-from=<file>] "
-	"[ --exclude-per-directory=<filename> ]";
-;
+	"[ --exclude-per-directory=<filename> ] [--full-name] [--] [<file>]*";
 
-int main(int argc, char **argv)
+int main(int argc, const char **argv)
 {
 	int i;
 	int exc_given = 0;
 
+	prefix = setup_git_directory();
+	if (prefix)
+		prefix_offset = strlen(prefix);
+	git_config(git_default_config);
+
 	for (i = 1; i < argc; i++) {
-		char *arg = argv[i];
+		const char *arg = argv[i];
 
+		if (!strcmp(arg, "--")) {
+			i++;
+			break;
+		}
 		if (!strcmp(arg, "-z")) {
 			line_terminator = 0;
-		} else if (!strcmp(arg, "-t")) {
+			continue;
+		}
+		if (!strcmp(arg, "-t")) {
 			tag_cached = "H ";
 			tag_unmerged = "M ";
 			tag_removed = "R ";
+			tag_modified = "C ";
 			tag_other = "? ";
 			tag_killed = "K ";
-		} else if (!strcmp(arg, "-c") || !strcmp(arg, "--cached")) {
+			continue;
+		}
+		if (!strcmp(arg, "-c") || !strcmp(arg, "--cached")) {
 			show_cached = 1;
-		} else if (!strcmp(arg, "-d") || !strcmp(arg, "--deleted")) {
+			continue;
+		}
+		if (!strcmp(arg, "-d") || !strcmp(arg, "--deleted")) {
 			show_deleted = 1;
-		} else if (!strcmp(arg, "-o") || !strcmp(arg, "--others")) {
+			continue;
+		}
+		if (!strcmp(arg, "-m") || !strcmp(arg, "--modified")) {
+			show_modified = 1;
+			continue;
+		}
+		if (!strcmp(arg, "-o") || !strcmp(arg, "--others")) {
 			show_others = 1;
-		} else if (!strcmp(arg, "-i") || !strcmp(arg, "--ignored")) {
+			continue;
+		}
+		if (!strcmp(arg, "-i") || !strcmp(arg, "--ignored")) {
 			show_ignored = 1;
-		} else if (!strcmp(arg, "-s") || !strcmp(arg, "--stage")) {
+			continue;
+		}
+		if (!strcmp(arg, "-s") || !strcmp(arg, "--stage")) {
 			show_stage = 1;
-		} else if (!strcmp(arg, "-k") || !strcmp(arg, "--killed")) {
+			continue;
+		}
+		if (!strcmp(arg, "-k") || !strcmp(arg, "--killed")) {
 			show_killed = 1;
-		} else if (!strcmp(arg, "-u") || !strcmp(arg, "--unmerged")) {
+			continue;
+		}
+		if (!strcmp(arg, "--directory")) {
+			show_other_directories = 1;
+			continue;
+		}
+		if (!strcmp(arg, "-u") || !strcmp(arg, "--unmerged")) {
 			/* There's no point in showing unmerged unless
 			 * you also show the stage information.
 			 */
 			show_stage = 1;
 			show_unmerged = 1;
-		} else if (!strcmp(arg, "-x") && i+1 < argc) {
+			continue;
+		}
+		if (!strcmp(arg, "-x") && i+1 < argc) {
 			exc_given = 1;
 			add_exclude(argv[++i], "", 0, &exclude_list[EXC_CMDL]);
-		} else if (!strncmp(arg, "--exclude=", 10)) {
+			continue;
+		}
+		if (!strncmp(arg, "--exclude=", 10)) {
 			exc_given = 1;
 			add_exclude(arg+10, "", 0, &exclude_list[EXC_CMDL]);
-		} else if (!strcmp(arg, "-X") && i+1 < argc) {
+			continue;
+		}
+		if (!strcmp(arg, "-X") && i+1 < argc) {
 			exc_given = 1;
 			add_excludes_from_file(argv[++i]);
-		} else if (!strncmp(arg, "--exclude-from=", 15)) {
+			continue;
+		}
+		if (!strncmp(arg, "--exclude-from=", 15)) {
 			exc_given = 1;
 			add_excludes_from_file(arg+15);
-		} else if (!strncmp(arg, "--exclude-per-directory=", 24)) {
+			continue;
+		}
+		if (!strncmp(arg, "--exclude-per-directory=", 24)) {
 			exc_given = 1;
 			exclude_per_dir = arg + 24;
-		} else
+			continue;
+		}
+		if (!strcmp(arg, "--full-name")) {
+			prefix_offset = 0;
+			continue;
+		}
+		if (!strcmp(arg, "--error-unmatch")) {
+			error_unmatch = 1;
+			continue;
+		}
+		if (*arg == '-')
 			usage(ls_files_usage);
+		break;
+	}
+
+	pathspec = get_pathspec(prefix, argv + i);
+
+	/* Verify that the pathspec matches the prefix */
+	if (pathspec)
+		verify_pathspec();
+
+	/* Treat unmatching pathspec elements as errors */
+	if (pathspec && error_unmatch) {
+		int num;
+		for (num = 0; pathspec[num]; num++)
+			;
+		ps_matched = xcalloc(1, num);
 	}
 
 	if (show_ignored && !exc_given) {
@@ -466,10 +739,28 @@ int main(int argc, char **argv)
 	}
 
 	/* With no flags, we default to showing the cached files */
-	if (!(show_stage | show_deleted | show_others | show_unmerged | show_killed))
+	if (!(show_stage | show_deleted | show_others | show_unmerged |
+	      show_killed | show_modified))
 		show_cached = 1;
 
 	read_cache();
+	if (prefix)
+		prune_cache();
 	show_files();
+
+	if (ps_matched) {
+		/* We need to make sure all pathspec matched otherwise
+		 * it is an error.
+		 */
+		int num, errors = 0;
+		for (num = 0; pathspec[num]; num++) {
+			if (ps_matched[num])
+				continue;
+			error("pathspec '%s' did not match any.",
+			      pathspec[num] + prefix_offset);
+		}
+		return errors ? 1 : 0;
+	}
+
 	return 0;
 }