#include <fnmatch.h>
#include "cache.h"
+#include "quote.h"
static int show_deleted = 0;
static int show_cached = 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 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 int nr_excludes;
-static int excludes_alloc;
-static struct exclude {
- const char *pattern;
- const char *base;
- int baselen;
-} **excludes;
+static const char *exclude_per_dir = NULL;
-static void add_exclude(const char *string, const char *base, int baselen)
+/* We maintain three exclude pattern lists:
+ * EXC_CMDL lists patterns explicitly given on the command line.
+ * EXC_DIRS lists patterns obtained from per-directory ignore files.
+ * EXC_FILE lists patterns from fallback ignore files.
+ */
+#define EXC_CMDL 0
+#define EXC_DIRS 1
+#define EXC_FILE 2
+static struct exclude_list {
+ int nr;
+ int alloc;
+ struct exclude {
+ const char *pattern;
+ const char *base;
+ int baselen;
+ } **excludes;
+} exclude_list[3];
+
+static void add_exclude(const char *string, const char *base,
+ int baselen, struct exclude_list *which)
{
struct exclude *x = xmalloc(sizeof (*x));
x->pattern = string;
x->base = base;
x->baselen = baselen;
- if (nr_excludes == excludes_alloc) {
- excludes_alloc = alloc_nr(excludes_alloc);
- excludes = realloc(excludes, excludes_alloc*sizeof(char *));
+ if (which->nr == which->alloc) {
+ which->alloc = alloc_nr(which->alloc);
+ which->excludes = realloc(which->excludes,
+ which->alloc * sizeof(x));
}
- excludes[nr_excludes++] = x;
+ which->excludes[which->nr++] = x;
}
static int add_excludes_from_file_1(const char *fname,
- const char *base, int baselen)
+ const char *base,
+ int baselen,
+ struct exclude_list *which)
{
int fd, i;
long size;
for (i = 0; i < size; i++) {
if (buf[i] == '\n') {
if (entry != buf + i && entry[0] != '#') {
- buf[i] = 0;
- add_exclude(entry, base, baselen);
+ buf[i - (i && buf[i-1] == '\r')] = 0;
+ add_exclude(entry, base, baselen, which);
}
entry = buf + i + 1;
}
static void add_excludes_from_file(const char *fname)
{
- if (add_excludes_from_file_1(fname, "", 0) < 0)
+ if (add_excludes_from_file_1(fname, "", 0,
+ &exclude_list[EXC_FILE]) < 0)
die("cannot use %s as an exclude file", fname);
}
static int push_exclude_per_directory(const char *base, int baselen)
{
char exclude_file[PATH_MAX];
- int current_nr = nr_excludes;
+ struct exclude_list *el = &exclude_list[EXC_DIRS];
+ int current_nr = el->nr;
if (exclude_per_dir) {
memcpy(exclude_file, base, baselen);
strcpy(exclude_file + baselen, exclude_per_dir);
- add_excludes_from_file_1(exclude_file, base, baselen);
+ add_excludes_from_file_1(exclude_file, base, baselen, el);
}
return current_nr;
}
static void pop_exclude_per_directory(int stk)
{
- while (stk < nr_excludes)
- free(excludes[--nr_excludes]);
+ struct exclude_list *el = &exclude_list[EXC_DIRS];
+
+ while (stk < el->nr)
+ free(el->excludes[--el->nr]);
}
-static int excluded(const char *pathname)
+/* Scan the list and let the last match determines the fate.
+ * Return 1 for exclude, 0 for include and -1 for undecided.
+ */
+static int excluded_1(const char *pathname,
+ int pathlen,
+ struct exclude_list *el)
{
int i;
- if (nr_excludes) {
- int pathlen = strlen(pathname);
-
- for (i = 0; i < nr_excludes; i++) {
- struct exclude *x = excludes[i];
+ if (el->nr) {
+ for (i = el->nr - 1; 0 <= i; i--) {
+ struct exclude *x = el->excludes[i];
const char *exclude = x->pattern;
int to_exclude = 1;
}
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;
}
}
}
+ return -1; /* undecided */
+}
+
+static int excluded(const char *pathname)
+{
+ int pathlen = strlen(pathname);
+ int st;
+
+ for (st = EXC_CMDL; st <= EXC_FILE; st++) {
+ switch (excluded_1(pathname, pathlen, &exclude_list[st])) {
+ case 0:
+ return 0;
+ case 1:
+ return 1;
+ }
+ }
return 0;
}
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
/* 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:
e2->name, e2->len);
}
+/*
+ * Match a pathspec against a filename. The first "len" characters
+ * are the common prefix
+ */
+static int match(const char **spec, const char *filename, int len)
+{
+ const char *m;
+
+ while ((m = *spec++) != NULL) {
+ int matchlen = strlen(m + len);
+
+ if (!matchlen)
+ return 1;
+ if (!strncmp(m + len, filename + len, matchlen)) {
+ if (m[len + matchlen - 1] == '/')
+ return 1;
+ switch (filename[len + matchlen]) {
+ case '/': case '\0':
+ return 1;
+ }
+ }
+ if (!fnmatch(m + len, filename + len, 0))
+ 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, 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;
}
}
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, 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);
}
}
/* 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;
+ 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();
}
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);
}
}
}
-static const char *ls_files_usage =
- "git-ls-files [-z] [-t] (--[cached|deleted|others|stage|unmerged|killed])* "
+/*
+ * 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 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) {
- add_exclude(argv[++i], "", 0);
- } else if (!strncmp(arg, "--exclude=", 10)) {
- add_exclude(arg+10, "", 0);
- } 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]);
+ continue;
+ }
+ if (!strncmp(arg, "--exclude=", 10)) {
+ exc_given = 1;
+ add_exclude(arg+10, "", 0, &exclude_list[EXC_CMDL]);
+ 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 (*arg == '-')
usage(ls_files_usage);
+ break;
}
- if (show_ignored && !nr_excludes) {
+ pathspec = get_pathspec(prefix, argv + i);
+
+ /* Verify that the pathspec matches the prefix */
+ if (pathspec)
+ verify_pathspec();
+
+ if (show_ignored && !exc_given) {
fprintf(stderr, "%s: --ignored needs some exclude pattern\n",
argv[0]);
exit(1);
}
/* 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();
return 0;
}