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

#include "wt-status.h"
#include "color.h"
#include "cache.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 int parse_status_slot(const char *var, int offset)
{
	if (!strcasecmp(var+offset, "header"))
		return WT_STATUS_HEADER;
	if (!strcasecmp(var+offset, "updated"))
		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;

	s->is_initial = get_sha1("HEAD", sha1) ? 1 : 0;

	head = resolve_ref(git_path("HEAD"), sha1, 0);
	s->branch = head ?
		    strdup(head + strlen(get_git_dir()) + 1) :
		    NULL;

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

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 void wt_status_print_filepair(int t, struct diff_filepair *p)
{
	const char *c = color(t);
	color_printf(color(WT_STATUS_HEADER), "#\t");
	switch (p->status) {
	case DIFF_STATUS_ADDED:
		color_printf(c, "new file: %s", p->one->path); break;
	case DIFF_STATUS_COPIED:
		color_printf(c, "copied: %s -> %s",
				p->one->path, p->two->path);
		break;
	case DIFF_STATUS_DELETED:
		color_printf_ln(c, "deleted: %s", p->one->path); break;
	case DIFF_STATUS_MODIFIED:
		color_printf(c, "modified: %s", p->one->path); break;
	case DIFF_STATUS_RENAMED:
		color_printf(c, "renamed: %s -> %s",
				p->one->path, p->two->path);
		break;
	case DIFF_STATUS_TYPE_CHANGED:
		color_printf(c, "typechange: %s", p->one->path); break;
	case DIFF_STATUS_UNKNOWN:
		color_printf(c, "unknown: %s", p->one->path); break;
	case DIFF_STATUS_UNMERGED:
		color_printf(c, "unmerged: %s", p->one->path); 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;
	if (q->nr) {
	}
	for (i = 0; i < q->nr; i++) {
		if (q->queue[i]->status == 'U')
			continue;
		if (!shown_header) {
			wt_status_print_header("Updated but not checked in",
					"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)
{
	int i;
	if (q->nr)
		wt_status_print_header("Changed but not updated",
				"use git-update-index to mark for commit");
	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;
	read_cache();
	if (active_nr) {
		s->commitable = 1;
		wt_status_print_header("Updated but not checked in",
				"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",
				active_cache[i]->name);
	}
	if (active_nr)
		wt_status_print_trailer();
}

static void wt_status_print_updated(struct wt_status *s)
{
	struct rev_info rev;
	const char *argv[] = { NULL, NULL, NULL };
	argv[1] = s->reference;
	init_revisions(&rev, NULL);
	setup_revisions(2, argv, &rev, NULL);
	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;
	const char *argv[] = { NULL, NULL };
	init_revisions(&rev, "");
	setup_revisions(1, argv, &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(const 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";
	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) {
			wt_status_print_header("Untracked files",
				"use \"git add\" to add to commit");
			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;
	const char *argv[] = { NULL, NULL, NULL };
	argv[1] = s->reference;
	init_revisions(&rev, NULL);
	setup_revisions(2, argv, &rev, NULL);
	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)
{
	if (s->branch && strcmp(s->branch, "refs/heads/master"))
		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)
		printf("%s\n", s->amend ? "# No changes" : "nothing to commit");
}

int git_status_config(const char *k, const char *v)
{
	if (!strcmp(k, "status.color")) {
		wt_status_use_color = git_config_colorbool(k, v);
		return 0;
	}
	if (!strncmp(k, "status.color.", 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
c91f0d92 JK	1	#include "wt-status.h"
	2	#include "color.h"
	3	#include "cache.h"
	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	};
	18
	19	static int parse_status_slot(const char *var, int offset)
	20	{
	21	if (!strcasecmp(var+offset, "header"))
	22	return WT_STATUS_HEADER;
	23	if (!strcasecmp(var+offset, "updated"))
	24	return WT_STATUS_UPDATED;
	25	if (!strcasecmp(var+offset, "changed"))
	26	return WT_STATUS_CHANGED;
	27	if (!strcasecmp(var+offset, "untracked"))
	28	return WT_STATUS_UNTRACKED;
	29	die("bad config variable '%s'", var);
	30	}
	31
	32	static const char* color(int slot)
	33	{
	34	return wt_status_use_color ? wt_status_colors[slot] : "";
	35	}
	36
	37	void wt_status_prepare(struct wt_status *s)
	38	{
	39	unsigned char sha1[20];
	40	const char *head;
	41
	42	s->is_initial = get_sha1("HEAD", sha1) ? 1 : 0;
	43
	44	head = resolve_ref(git_path("HEAD"), sha1, 0);
	45	s->branch = head ?
	46	strdup(head + strlen(get_git_dir()) + 1) :
	47	NULL;
	48
	49	s->reference = "HEAD";
	50	s->amend = 0;
	51	s->verbose = 0;
	52	s->commitable = 0;
	53	}
	54
	55	static void wt_status_print_header(const char main, const char sub)
	56	{
	57	const char *c = color(WT_STATUS_HEADER);
	58	color_printf_ln(c, "# %s:", main);
	59	color_printf_ln(c, "# (%s)", sub);
	60	color_printf_ln(c, "#");
	61	}
	62
	63	static void wt_status_print_trailer(void)
	64	{
65	color_printf_ln(color(WT_STATUS_HEADER), "#");
66	}
67
68	static void wt_status_print_filepair(int t, struct diff_filepair *p)
69	{
70	const char *c = color(t);
71	color_printf(color(WT_STATUS_HEADER), "#\t");
72	switch (p->status) {
73	case DIFF_STATUS_ADDED:
74	color_printf(c, "new file: %s", p->one->path); break;
75	case DIFF_STATUS_COPIED:
76	color_printf(c, "copied: %s -> %s",
77	p->one->path, p->two->path);
78	break;
79	case DIFF_STATUS_DELETED:
80	color_printf_ln(c, "deleted: %s", p->one->path); break;
81	case DIFF_STATUS_MODIFIED:
82	color_printf(c, "modified: %s", p->one->path); break;
83	case DIFF_STATUS_RENAMED:
84	color_printf(c, "renamed: %s -> %s",
85	p->one->path, p->two->path);
86	break;
87	case DIFF_STATUS_TYPE_CHANGED:
88	color_printf(c, "typechange: %s", p->one->path); break;
89	case DIFF_STATUS_UNKNOWN:
90	color_printf(c, "unknown: %s", p->one->path); break;
91	case DIFF_STATUS_UNMERGED:
92	color_printf(c, "unmerged: %s", p->one->path); break;
93	default:
94	die("bug: unhandled diff status %c", p->status);
95	}
96	printf("\n");
97	}
98
99	static void wt_status_print_updated_cb(struct diff_queue_struct *q,
100	struct diff_options *options,
101	void *data)
102	{
103	struct wt_status *s = data;
104	int shown_header = 0;
105	int i;
106	if (q->nr) {
107	}
108	for (i = 0; i < q->nr; i++) {
109	if (q->queue[i]->status == 'U')
110	continue;
111	if (!shown_header) {
112	wt_status_print_header("Updated but not checked in",
113	"will commit");
114	s->commitable = 1;
115	shown_header = 1;
116	}
117	wt_status_print_filepair(WT_STATUS_UPDATED, q->queue[i]);
118	}
119	if (shown_header)
120	wt_status_print_trailer();
121	}
122
123	static void wt_status_print_changed_cb(struct diff_queue_struct *q,
124	struct diff_options *options,
125	void *data)
126	{
127	int i;
128	if (q->nr)
129	wt_status_print_header("Changed but not updated",
130	"use git-update-index to mark for commit");
131	for (i = 0; i < q->nr; i++)
132	wt_status_print_filepair(WT_STATUS_CHANGED, q->queue[i]);
133	if (q->nr)
134	wt_status_print_trailer();
135	}
136
137	void wt_status_print_initial(struct wt_status *s)
138	{
139	int i;
140	read_cache();
141	if (active_nr) {
142	s->commitable = 1;
143	wt_status_print_header("Updated but not checked in",
144	"will commit");
145	}
146	for (i = 0; i < active_nr; i++) {
147	color_printf(color(WT_STATUS_HEADER), "#\t");
148	color_printf_ln(color(WT_STATUS_UPDATED), "new file: %s",
149	active_cache[i]->name);
150	}
151	if (active_nr)
152	wt_status_print_trailer();
153	}
154
155	static void wt_status_print_updated(struct wt_status *s)
156	{
157	struct rev_info rev;
158	const char *argv[] = { NULL, NULL, NULL };
159	argv[1] = s->reference;
160	init_revisions(&rev, NULL);
161	setup_revisions(2, argv, &rev, NULL);
162	rev.diffopt.output_format \|= DIFF_FORMAT_CALLBACK;
163	rev.diffopt.format_callback = wt_status_print_updated_cb;
164	rev.diffopt.format_callback_data = s;
165	rev.diffopt.detect_rename = 1;
166	run_diff_index(&rev, 1);
167	}
168
169	static void wt_status_print_changed(struct wt_status *s)
170	{
171	struct rev_info rev;
172	const char *argv[] = { NULL, NULL };
173	init_revisions(&rev, "");
174	setup_revisions(1, argv, &rev, NULL);
175	rev.diffopt.output_format \|= DIFF_FORMAT_CALLBACK;
176	rev.diffopt.format_callback = wt_status_print_changed_cb;
177	rev.diffopt.format_callback_data = s;
178	run_diff_files(&rev, 0);
179	}
180
181	static void wt_status_print_untracked(const struct wt_status *s)
182	{
183	struct dir_struct dir;
184	const char *x;
185	int i;
186	int shown_header = 0;
187
188	memset(&dir, 0, sizeof(dir));
189
190	dir.exclude_per_dir = ".gitignore";
191	x = git_path("info/exclude");
192	if (file_exists(x))
193	add_excludes_from_file(&dir, x);
194
195	read_directory(&dir, ".", "", 0);
196	for(i = 0; i < dir.nr; i++) {
197	/* check for matching entry, which is unmerged; lifted from
198	* builtin-ls-files:show_other_files */
199	struct dir_entry *ent = dir.entries[i];
200	int pos = cache_name_pos(ent->name, ent->len);
201	struct cache_entry *ce;
202	if (0 <= pos)
203	die("bug in wt_status_print_untracked");
204	pos = -pos - 1;
205	if (pos < active_nr) {
206	ce = active_cache[pos];
207	if (ce_namelen(ce) == ent->len &&
208	!memcmp(ce->name, ent->name, ent->len))
209	continue;
210	}
211	if (!shown_header) {
212	wt_status_print_header("Untracked files",
213	"use \"git add\" to add to commit");
214	shown_header = 1;
215	}
216	color_printf(color(WT_STATUS_HEADER), "#\t");
217	color_printf_ln(color(WT_STATUS_UNTRACKED), "%.*s",
218	ent->len, ent->name);
219	}
220	}
221
222	static void wt_status_print_verbose(struct wt_status *s)
223	{
224	struct rev_info rev;
225	const char *argv[] = { NULL, NULL, NULL };
226	argv[1] = s->reference;
227	init_revisions(&rev, NULL);
228	setup_revisions(2, argv, &rev, NULL);
229	rev.diffopt.output_format \|= DIFF_FORMAT_PATCH;
230	rev.diffopt.detect_rename = 1;
231	run_diff_index(&rev, 1);
232	}
233
234	void wt_status_print(struct wt_status *s)
235	{
236	if (s->branch && strcmp(s->branch, "refs/heads/master"))
237	color_printf_ln(color(WT_STATUS_HEADER),
238	"# On branch %s", s->branch);
239
240	if (s->is_initial) {
241	color_printf_ln(color(WT_STATUS_HEADER), "#");
242	color_printf_ln(color(WT_STATUS_HEADER), "# Initial commit");
243	color_printf_ln(color(WT_STATUS_HEADER), "#");
244	wt_status_print_initial(s);
245	}
246	else {
247	wt_status_print_updated(s);
248	discard_cache();
249	}
250
251	wt_status_print_changed(s);
252	wt_status_print_untracked(s);
253
254	if (s->verbose && !s->is_initial)
255	wt_status_print_verbose(s);
256	if (!s->commitable)
257	printf("%s\n", s->amend ? "# No changes" : "nothing to commit");
258	}
259
260	int git_status_config(const char k, const char v)
261	{
262	if (!strcmp(k, "status.color")) {
263	wt_status_use_color = git_config_colorbool(k, v);
264	return 0;
265	}
266	if (!strncmp(k, "status.color.", 13)) {
267	int slot = parse_status_slot(k, 13);
268	color_parse(v, k, wt_status_colors[slot]);
269	}
270	return git_default_config(k, v);
271	}