[thirdparty/git.git] / wt-status.c

#include "cache.h"
#include "wt-status.h"
#include "color.h"
#include "object.h"
#include "dir.h"
#include "commit.h"
#include "diff.h"
#include "revision.h"
#include "diffcore.h"

int wt_status_use_color = 0;
static char wt_status_colors[][COLOR_MAXLEN] = {
	"",         /* WT_STATUS_HEADER: normal */
	"\033[32m", /* WT_STATUS_UPDATED: green */
	"\033[31m", /* WT_STATUS_CHANGED: red */
	"\033[31m", /* WT_STATUS_UNTRACKED: red */
};
static const char* use_add_msg = "use \"git add <file>...\" to incrementally add content to commit";

static int parse_status_slot(const char *var, int offset)
{
	if (!strcasecmp(var+offset, "header"))
		return WT_STATUS_HEADER;
	if (!strcasecmp(var+offset, "updated")
		|| !strcasecmp(var+offset, "added"))
		return WT_STATUS_UPDATED;
	if (!strcasecmp(var+offset, "changed"))
		return WT_STATUS_CHANGED;
	if (!strcasecmp(var+offset, "untracked"))
		return WT_STATUS_UNTRACKED;
	die("bad config variable '%s'", var);
}

static const char* color(int slot)
{
	return wt_status_use_color ? wt_status_colors[slot] : "";
}

void wt_status_prepare(struct wt_status *s)
{
	unsigned char sha1[20];
	const char *head;

	head = resolve_ref("HEAD", sha1, 0, NULL);
	s->branch = head ? xstrdup(head) : NULL;

	s->reference = "HEAD";
	s->amend = 0;
	s->verbose = 0;
	s->commitable = 0;
	s->untracked = 0;

	s->workdir_clean = 1;
}

static void wt_status_print_header(const char *main, const char *sub)
{
	const char *c = color(WT_STATUS_HEADER);
	color_printf_ln(c, "# %s:", main);
	color_printf_ln(c, "#   (%s)", sub);
	color_printf_ln(c, "#");
}

static void wt_status_print_trailer(void)
{
	color_printf_ln(color(WT_STATUS_HEADER), "#");
}

static const char *quote_crlf(const char *in, char *buf, size_t sz)
{
	const char *scan;
	char *out;
	const char *ret = in;

	for (scan = in, out = buf; *scan; scan++) {
		int ch = *scan;
		int quoted;

		switch (ch) {
		case '\n':
			quoted = 'n';
			break;
		case '\r':
			quoted = 'r';
			break;
		default:
			*out++ = ch;
			continue;
		}
		*out++ = '\\';
		*out++ = quoted;
		ret = buf;
	}
	*out = '\0';
	return ret;
}

static void wt_status_print_filepair(int t, struct diff_filepair *p)
{
	const char *c = color(t);
	const char *one, *two;
	char onebuf[PATH_MAX], twobuf[PATH_MAX];

	one = quote_crlf(p->one->path, onebuf, sizeof(onebuf));
	two = quote_crlf(p->two->path, twobuf, sizeof(twobuf));

	color_printf(color(WT_STATUS_HEADER), "#\t");
	switch (p->status) {
	case DIFF_STATUS_ADDED:
		color_printf(c, "new file:   %s", one);
		break;
	case DIFF_STATUS_COPIED:
		color_printf(c, "copied:     %s -> %s", one, two);
		break;
	case DIFF_STATUS_DELETED:
		color_printf(c, "deleted:    %s", one);
		break;
	case DIFF_STATUS_MODIFIED:
		color_printf(c, "modified:   %s", one);
		break;
	case DIFF_STATUS_RENAMED:
		color_printf(c, "renamed:    %s -> %s", one, two);
		break;
	case DIFF_STATUS_TYPE_CHANGED:
		color_printf(c, "typechange: %s", one);
		break;
	case DIFF_STATUS_UNKNOWN:
		color_printf(c, "unknown:    %s", one);
		break;
	case DIFF_STATUS_UNMERGED:
		color_printf(c, "unmerged:   %s", one);
		break;
	default:
		die("bug: unhandled diff status %c", p->status);
	}
	printf("\n");
}

static void wt_status_print_updated_cb(struct diff_queue_struct *q,
		struct diff_options *options,
		void *data)
{
	struct wt_status *s = data;
	int shown_header = 0;
	int i;
	for (i = 0; i < q->nr; i++) {
		if (q->queue[i]->status == 'U')
			continue;
		if (!shown_header) {
			wt_status_print_header("Added but not yet committed",
					"will commit");
			s->commitable = 1;
			shown_header = 1;
		}
		wt_status_print_filepair(WT_STATUS_UPDATED, q->queue[i]);
	}
	if (shown_header)
		wt_status_print_trailer();
}

static void wt_status_print_changed_cb(struct diff_queue_struct *q,
                        struct diff_options *options,
                        void *data)
{
	struct wt_status *s = data;
	int i;
	if (q->nr) {
		s->workdir_clean = 0;
		wt_status_print_header("Changed but not added", use_add_msg);
	}
	for (i = 0; i < q->nr; i++)
		wt_status_print_filepair(WT_STATUS_CHANGED, q->queue[i]);
	if (q->nr)
		wt_status_print_trailer();
}

void wt_status_print_initial(struct wt_status *s)
{
	int i;
	char buf[PATH_MAX];

	read_cache();
	if (active_nr) {
		s->commitable = 1;
		wt_status_print_header("Added but not yet committed",
				"will commit");
	}
	for (i = 0; i < active_nr; i++) {
		color_printf(color(WT_STATUS_HEADER), "#\t");
		color_printf_ln(color(WT_STATUS_UPDATED), "new file: %s",
				quote_crlf(active_cache[i]->name,
					   buf, sizeof(buf)));
	}
	if (active_nr)
		wt_status_print_trailer();
}

static void wt_status_print_updated(struct wt_status *s)
{
	struct rev_info rev;
	init_revisions(&rev, NULL);
	setup_revisions(0, NULL, &rev, s->reference);
	rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
	rev.diffopt.format_callback = wt_status_print_updated_cb;
	rev.diffopt.format_callback_data = s;
	rev.diffopt.detect_rename = 1;
	run_diff_index(&rev, 1);
}

static void wt_status_print_changed(struct wt_status *s)
{
	struct rev_info rev;
	init_revisions(&rev, "");
	setup_revisions(0, NULL, &rev, NULL);
	rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
	rev.diffopt.format_callback = wt_status_print_changed_cb;
	rev.diffopt.format_callback_data = s;
	run_diff_files(&rev, 0);
}

static void wt_status_print_untracked(struct wt_status *s)
{
	struct dir_struct dir;
	const char *x;
	int i;
	int shown_header = 0;

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

	dir.exclude_per_dir = ".gitignore";
	if (!s->untracked) {
		dir.show_other_directories = 1;
		dir.hide_empty_directories = 1;
	}
	x = git_path("info/exclude");
	if (file_exists(x))
		add_excludes_from_file(&dir, x);

	read_directory(&dir, ".", "", 0);
	for(i = 0; i < dir.nr; i++) {
		/* check for matching entry, which is unmerged; lifted from
		 * builtin-ls-files:show_other_files */
		struct dir_entry *ent = dir.entries[i];
		int pos = cache_name_pos(ent->name, ent->len);
		struct cache_entry *ce;
		if (0 <= pos)
			die("bug in wt_status_print_untracked");
		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;
		}
		if (!shown_header) {
			s->workdir_clean = 0;
			wt_status_print_header("Untracked files", use_add_msg);
			shown_header = 1;
		}
		color_printf(color(WT_STATUS_HEADER), "#\t");
		color_printf_ln(color(WT_STATUS_UNTRACKED), "%.*s",
				ent->len, ent->name);
	}
}

static void wt_status_print_verbose(struct wt_status *s)
{
	struct rev_info rev;
	init_revisions(&rev, NULL);
	setup_revisions(0, NULL, &rev, s->reference);
	rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
	rev.diffopt.detect_rename = 1;
	run_diff_index(&rev, 1);
}

void wt_status_print(struct wt_status *s)
{
	unsigned char sha1[20];
	s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;

	if (s->branch)
		color_printf_ln(color(WT_STATUS_HEADER),
			"# On branch %s", s->branch);

	if (s->is_initial) {
		color_printf_ln(color(WT_STATUS_HEADER), "#");
		color_printf_ln(color(WT_STATUS_HEADER), "# Initial commit");
		color_printf_ln(color(WT_STATUS_HEADER), "#");
		wt_status_print_initial(s);
	}
	else {
		wt_status_print_updated(s);
		discard_cache();
	}

	wt_status_print_changed(s);
	wt_status_print_untracked(s);

	if (s->verbose && !s->is_initial)
		wt_status_print_verbose(s);
	if (!s->commitable) {
		if (s->amend)
			printf("# No changes\n");
		else if (s->workdir_clean)
			printf(s->is_initial
			       ? "nothing to commit\n"
			       : "nothing to commit (working directory matches HEAD)\n");
		else
			printf("no changes added to commit (use \"git add\" and/or \"git commit [-a|-i|-o]\")\n");
	}
}

int git_status_config(const char *k, const char *v)
{
	if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
		wt_status_use_color = git_config_colorbool(k, v);
		return 0;
	}
	if (!strncmp(k, "status.color.", 13) || !strncmp(k, "color.status", 13)) {
		int slot = parse_status_slot(k, 13);
		color_parse(v, k, wt_status_colors[slot]);
	}
	return git_default_config(k, v);
}
Commit	Line	Data
85023577	1	#include "cache.h"
c91f0d92 JK	2	#include "wt-status.h"
c91f0d92 JK	3	#include "color.h"
c91f0d92 JK	4	#include "object.h"
	5	#include "dir.h"
	6	#include "commit.h"
	7	#include "diff.h"
	8	#include "revision.h"
	9	#include "diffcore.h"
	10
	11	int wt_status_use_color = 0;
	12	static char wt_status_colors[][COLOR_MAXLEN] = {
	13	"", /* WT_STATUS_HEADER: normal */
	14	"\033[32m", /* WT_STATUS_UPDATED: green */
	15	"\033[31m", /* WT_STATUS_CHANGED: red */
	16	"\033[31m", /* WT_STATUS_UNTRACKED: red */
	17	};
e54eef9e	18	static const char* use_add_msg = "use \"git add <file>...\" to incrementally add content to commit";
c91f0d92 JK	19
	20	static int parse_status_slot(const char *var, int offset)
	21	{
	22	if (!strcasecmp(var+offset, "header"))
	23	return WT_STATUS_HEADER;
82dca848 SP	24	if (!strcasecmp(var+offset, "updated")
82dca848 SP	25	\|\| !strcasecmp(var+offset, "added"))
c91f0d92 JK	26	return WT_STATUS_UPDATED;
	27	if (!strcasecmp(var+offset, "changed"))
	28	return WT_STATUS_CHANGED;
	29	if (!strcasecmp(var+offset, "untracked"))
	30	return WT_STATUS_UNTRACKED;
	31	die("bad config variable '%s'", var);
	32	}
	33
	34	static const char* color(int slot)
	35	{
	36	return wt_status_use_color ? wt_status_colors[slot] : "";
	37	}
	38
	39	void wt_status_prepare(struct wt_status *s)
	40	{
	41	unsigned char sha1[20];
	42	const char *head;
	43
8da19775	44	head = resolve_ref("HEAD", sha1, 0, NULL);
f62363fb	45	s->branch = head ? xstrdup(head) : NULL;
c91f0d92 JK	46
	47	s->reference = "HEAD";
	48	s->amend = 0;
	49	s->verbose = 0;
	50	s->commitable = 0;
2074cb0a	51	s->untracked = 0;
6e458bf6 JR	52
6e458bf6 JR	53	s->workdir_clean = 1;
c91f0d92 JK	54	}
	55
	56	static void wt_status_print_header(const char main, const char sub)
	57	{
	58	const char *c = color(WT_STATUS_HEADER);
	59	color_printf_ln(c, "# %s:", main);
	60	color_printf_ln(c, "# (%s)", sub);
	61	color_printf_ln(c, "#");
	62	}
	63
	64	static void wt_status_print_trailer(void)
	65	{
	66	color_printf_ln(color(WT_STATUS_HEADER), "#");
	67	}
	68
3a946802 JH	69	static const char quote_crlf(const char in, char *buf, size_t sz)
	70	{
	71	const char *scan;
	72	char *out;
	73	const char *ret = in;
	74
	75	for (scan = in, out = buf; *scan; scan++) {
	76	int ch = *scan;
	77	int quoted;
	78
	79	switch (ch) {
	80	case '\n':
	81	quoted = 'n';
	82	break;
	83	case '\r':
	84	quoted = 'r';
	85	break;
	86	default:
	87	*out++ = ch;
	88	continue;
	89	}
	90	*out++ = '\\';
	91	*out++ = quoted;
	92	ret = buf;
	93	}
	94	*out = '\0';
	95	return ret;
	96	}
	97
c91f0d92 JK	98	static void wt_status_print_filepair(int t, struct diff_filepair *p)
	99	{
	100	const char *c = color(t);
3a946802 JH	101	const char one, two;
	102	char onebuf[PATH_MAX], twobuf[PATH_MAX];
	103
	104	one = quote_crlf(p->one->path, onebuf, sizeof(onebuf));
	105	two = quote_crlf(p->two->path, twobuf, sizeof(twobuf));
	106
c91f0d92 JK	107	color_printf(color(WT_STATUS_HEADER), "#\t");
	108	switch (p->status) {
	109	case DIFF_STATUS_ADDED:
3a946802 JH	110	color_printf(c, "new file: %s", one);
3a946802 JH	111	break;
c91f0d92	112	case DIFF_STATUS_COPIED:
3a946802	113	color_printf(c, "copied: %s -> %s", one, two);
c91f0d92 JK	114	break;
c91f0d92 JK	115	case DIFF_STATUS_DELETED:
3a946802 JH	116	color_printf(c, "deleted: %s", one);
3a946802 JH	117	break;
c91f0d92	118	case DIFF_STATUS_MODIFIED:
3a946802 JH	119	color_printf(c, "modified: %s", one);
3a946802 JH	120	break;
c91f0d92	121	case DIFF_STATUS_RENAMED:
3a946802	122	color_printf(c, "renamed: %s -> %s", one, two);
c91f0d92 JK	123	break;
c91f0d92 JK	124	case DIFF_STATUS_TYPE_CHANGED:
3a946802 JH	125	color_printf(c, "typechange: %s", one);
3a946802 JH	126	break;
c91f0d92	127	case DIFF_STATUS_UNKNOWN:
3a946802 JH	128	color_printf(c, "unknown: %s", one);
3a946802 JH	129	break;
c91f0d92	130	case DIFF_STATUS_UNMERGED:
3a946802 JH	131	color_printf(c, "unmerged: %s", one);
3a946802 JH	132	break;
c91f0d92 JK	133	default:
	134	die("bug: unhandled diff status %c", p->status);
	135	}
	136	printf("\n");
	137	}
	138
	139	static void wt_status_print_updated_cb(struct diff_queue_struct *q,
	140	struct diff_options *options,
	141	void *data)
	142	{
	143	struct wt_status *s = data;
	144	int shown_header = 0;
	145	int i;
c91f0d92 JK	146	for (i = 0; i < q->nr; i++) {
	147	if (q->queue[i]->status == 'U')
	148	continue;
	149	if (!shown_header) {
82dca848	150	wt_status_print_header("Added but not yet committed",
c91f0d92 JK	151	"will commit");
	152	s->commitable = 1;
	153	shown_header = 1;
	154	}
	155	wt_status_print_filepair(WT_STATUS_UPDATED, q->queue[i]);
	156	}
	157	if (shown_header)
	158	wt_status_print_trailer();
	159	}
	160
	161	static void wt_status_print_changed_cb(struct diff_queue_struct *q,
	162	struct diff_options *options,
	163	void *data)
	164	{
6e458bf6	165	struct wt_status *s = data;
c91f0d92	166	int i;
6e458bf6 JR	167	if (q->nr) {
6e458bf6 JR	168	s->workdir_clean = 0;
82dca848	169	wt_status_print_header("Changed but not added", use_add_msg);
6e458bf6	170	}
c91f0d92 JK	171	for (i = 0; i < q->nr; i++)
	172	wt_status_print_filepair(WT_STATUS_CHANGED, q->queue[i]);
	173	if (q->nr)
	174	wt_status_print_trailer();
	175	}
	176
	177	void wt_status_print_initial(struct wt_status *s)
	178	{
	179	int i;
3a946802 JH	180	char buf[PATH_MAX];
3a946802 JH	181
c91f0d92 JK	182	read_cache();
	183	if (active_nr) {
	184	s->commitable = 1;
82dca848	185	wt_status_print_header("Added but not yet committed",
c91f0d92 JK	186	"will commit");
	187	}
	188	for (i = 0; i < active_nr; i++) {
	189	color_printf(color(WT_STATUS_HEADER), "#\t");
	190	color_printf_ln(color(WT_STATUS_UPDATED), "new file: %s",
3a946802 JH	191	quote_crlf(active_cache[i]->name,
3a946802 JH	192	buf, sizeof(buf)));
c91f0d92 JK	193	}
	194	if (active_nr)
	195	wt_status_print_trailer();
	196	}
	197
	198	static void wt_status_print_updated(struct wt_status *s)
	199	{
	200	struct rev_info rev;
c91f0d92	201	init_revisions(&rev, NULL);
49b8b292	202	setup_revisions(0, NULL, &rev, s->reference);
c91f0d92 JK	203	rev.diffopt.output_format \|= DIFF_FORMAT_CALLBACK;
	204	rev.diffopt.format_callback = wt_status_print_updated_cb;
	205	rev.diffopt.format_callback_data = s;
	206	rev.diffopt.detect_rename = 1;
	207	run_diff_index(&rev, 1);
	208	}
	209
	210	static void wt_status_print_changed(struct wt_status *s)
	211	{
	212	struct rev_info rev;
c91f0d92	213	init_revisions(&rev, "");
49b8b292	214	setup_revisions(0, NULL, &rev, NULL);
c91f0d92 JK	215	rev.diffopt.output_format \|= DIFF_FORMAT_CALLBACK;
	216	rev.diffopt.format_callback = wt_status_print_changed_cb;
	217	rev.diffopt.format_callback_data = s;
	218	run_diff_files(&rev, 0);
	219	}
	220
6e458bf6	221	static void wt_status_print_untracked(struct wt_status *s)
c91f0d92 JK	222	{
	223	struct dir_struct dir;
	224	const char *x;
	225	int i;
	226	int shown_header = 0;
	227
	228	memset(&dir, 0, sizeof(dir));
	229
	230	dir.exclude_per_dir = ".gitignore";
2074cb0a JS	231	if (!s->untracked) {
	232	dir.show_other_directories = 1;
	233	dir.hide_empty_directories = 1;
	234	}
c91f0d92 JK	235	x = git_path("info/exclude");
	236	if (file_exists(x))
	237	add_excludes_from_file(&dir, x);
	238
	239	read_directory(&dir, ".", "", 0);
	240	for(i = 0; i < dir.nr; i++) {
	241	/* check for matching entry, which is unmerged; lifted from
	242	* builtin-ls-files:show_other_files */
	243	struct dir_entry *ent = dir.entries[i];
	244	int pos = cache_name_pos(ent->name, ent->len);
	245	struct cache_entry *ce;
	246	if (0 <= pos)
	247	die("bug in wt_status_print_untracked");
	248	pos = -pos - 1;
	249	if (pos < active_nr) {
	250	ce = active_cache[pos];
	251	if (ce_namelen(ce) == ent->len &&
	252	!memcmp(ce->name, ent->name, ent->len))
	253	continue;
	254	}
	255	if (!shown_header) {
6e458bf6	256	s->workdir_clean = 0;
aeb80c70	257	wt_status_print_header("Untracked files", use_add_msg);
c91f0d92 JK	258	shown_header = 1;
	259	}
	260	color_printf(color(WT_STATUS_HEADER), "#\t");
	261	color_printf_ln(color(WT_STATUS_UNTRACKED), "%.*s",
	262	ent->len, ent->name);
	263	}
	264	}
	265
	266	static void wt_status_print_verbose(struct wt_status *s)
	267	{
	268	struct rev_info rev;
c91f0d92	269	init_revisions(&rev, NULL);
49b8b292	270	setup_revisions(0, NULL, &rev, s->reference);
c91f0d92 JK	271	rev.diffopt.output_format \|= DIFF_FORMAT_PATCH;
	272	rev.diffopt.detect_rename = 1;
	273	run_diff_index(&rev, 1);
	274	}
	275
	276	void wt_status_print(struct wt_status *s)
	277	{
98bf8a47 JR	278	unsigned char sha1[20];
	279	s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
	280
a990999e	281	if (s->branch)
c91f0d92 JK	282	color_printf_ln(color(WT_STATUS_HEADER),
	283	"# On branch %s", s->branch);
	284
	285	if (s->is_initial) {
	286	color_printf_ln(color(WT_STATUS_HEADER), "#");
	287	color_printf_ln(color(WT_STATUS_HEADER), "# Initial commit");
	288	color_printf_ln(color(WT_STATUS_HEADER), "#");
	289	wt_status_print_initial(s);
	290	}
	291	else {
	292	wt_status_print_updated(s);
	293	discard_cache();
	294	}
	295
	296	wt_status_print_changed(s);
	297	wt_status_print_untracked(s);
	298
	299	if (s->verbose && !s->is_initial)
	300	wt_status_print_verbose(s);
6e458bf6 JR	301	if (!s->commitable) {
	302	if (s->amend)
	303	printf("# No changes\n");
	304	else if (s->workdir_clean)
	305	printf(s->is_initial
	306	? "nothing to commit\n"
	307	: "nothing to commit (working directory matches HEAD)\n");
	308	else
	309	printf("no changes added to commit (use \"git add\" and/or \"git commit [-a\|-i\|-o]\")\n");
	310	}
c91f0d92 JK	311	}
	312
	313	int git_status_config(const char k, const char v)
	314	{
a159ca0c	315	if (!strcmp(k, "status.color") \|\| !strcmp(k, "color.status")) {
c91f0d92 JK	316	wt_status_use_color = git_config_colorbool(k, v);
	317	return 0;
	318	}
a159ca0c	319	if (!strncmp(k, "status.color.", 13) \|\| !strncmp(k, "color.status", 13)) {
c91f0d92 JK	320	int slot = parse_status_slot(k, 13);
	321	color_parse(v, k, wt_status_colors[slot]);
	322	}
	323	return git_default_config(k, v);
	324	}