4ba0cb27c1
Now we can generate diff to a file descriptor, we do not have to dup() the stdout around when writing the status output. Signed-off-by: Junio C Hamano <gitster@pobox.com>
350 lines
9.4 KiB
C
350 lines
9.4 KiB
C
#include "cache.h"
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#include "wt-status.h"
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#include "color.h"
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#include "object.h"
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#include "dir.h"
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#include "commit.h"
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#include "diff.h"
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#include "revision.h"
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#include "diffcore.h"
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#include "quote.h"
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int wt_status_relative_paths = 1;
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int wt_status_use_color = -1;
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static char wt_status_colors[][COLOR_MAXLEN] = {
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"", /* WT_STATUS_HEADER: normal */
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"\033[32m", /* WT_STATUS_UPDATED: green */
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"\033[31m", /* WT_STATUS_CHANGED: red */
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"\033[31m", /* WT_STATUS_UNTRACKED: red */
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};
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static const char use_add_msg[] =
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"use \"git add <file>...\" to update what will be committed";
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static const char use_add_rm_msg[] =
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"use \"git add/rm <file>...\" to update what will be committed";
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static const char use_add_to_include_msg[] =
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"use \"git add <file>...\" to include in what will be committed";
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static int parse_status_slot(const char *var, int offset)
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{
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if (!strcasecmp(var+offset, "header"))
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return WT_STATUS_HEADER;
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if (!strcasecmp(var+offset, "updated")
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|| !strcasecmp(var+offset, "added"))
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return WT_STATUS_UPDATED;
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if (!strcasecmp(var+offset, "changed"))
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return WT_STATUS_CHANGED;
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if (!strcasecmp(var+offset, "untracked"))
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return WT_STATUS_UNTRACKED;
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die("bad config variable '%s'", var);
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}
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static const char* color(int slot)
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{
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return wt_status_use_color > 0 ? wt_status_colors[slot] : "";
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}
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void wt_status_prepare(struct wt_status *s)
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{
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unsigned char sha1[20];
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const char *head;
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memset(s, 0, sizeof(*s));
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head = resolve_ref("HEAD", sha1, 0, NULL);
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s->branch = head ? xstrdup(head) : NULL;
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s->reference = "HEAD";
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s->fp = stdout;
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s->index_file = get_index_file();
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}
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static void wt_status_print_cached_header(struct wt_status *s)
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{
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const char *c = color(WT_STATUS_HEADER);
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color_fprintf_ln(s->fp, c, "# Changes to be committed:");
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if (!s->is_initial) {
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color_fprintf_ln(s->fp, c, "# (use \"git reset %s <file>...\" to unstage)", s->reference);
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} else {
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color_fprintf_ln(s->fp, c, "# (use \"git rm --cached <file>...\" to unstage)");
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}
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color_fprintf_ln(s->fp, c, "#");
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}
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static void wt_status_print_header(struct wt_status *s,
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const char *main, const char *sub)
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{
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const char *c = color(WT_STATUS_HEADER);
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color_fprintf_ln(s->fp, c, "# %s:", main);
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color_fprintf_ln(s->fp, c, "# (%s)", sub);
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color_fprintf_ln(s->fp, c, "#");
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}
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static void wt_status_print_trailer(struct wt_status *s)
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{
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color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
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}
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#define quote_path quote_path_relative
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static void wt_status_print_filepair(struct wt_status *s,
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int t, struct diff_filepair *p)
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{
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const char *c = color(t);
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const char *one, *two;
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struct strbuf onebuf, twobuf;
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strbuf_init(&onebuf, 0);
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strbuf_init(&twobuf, 0);
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one = quote_path(p->one->path, -1, &onebuf, s->prefix);
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two = quote_path(p->two->path, -1, &twobuf, s->prefix);
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color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
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switch (p->status) {
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case DIFF_STATUS_ADDED:
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color_fprintf(s->fp, c, "new file: %s", one);
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break;
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case DIFF_STATUS_COPIED:
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color_fprintf(s->fp, c, "copied: %s -> %s", one, two);
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break;
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case DIFF_STATUS_DELETED:
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color_fprintf(s->fp, c, "deleted: %s", one);
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break;
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case DIFF_STATUS_MODIFIED:
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color_fprintf(s->fp, c, "modified: %s", one);
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break;
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case DIFF_STATUS_RENAMED:
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color_fprintf(s->fp, c, "renamed: %s -> %s", one, two);
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break;
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case DIFF_STATUS_TYPE_CHANGED:
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color_fprintf(s->fp, c, "typechange: %s", one);
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break;
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case DIFF_STATUS_UNKNOWN:
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color_fprintf(s->fp, c, "unknown: %s", one);
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break;
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case DIFF_STATUS_UNMERGED:
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color_fprintf(s->fp, c, "unmerged: %s", one);
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break;
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default:
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die("bug: unhandled diff status %c", p->status);
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}
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fprintf(s->fp, "\n");
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strbuf_release(&onebuf);
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strbuf_release(&twobuf);
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}
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static void wt_status_print_updated_cb(struct diff_queue_struct *q,
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struct diff_options *options,
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void *data)
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{
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struct wt_status *s = data;
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int shown_header = 0;
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int i;
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for (i = 0; i < q->nr; i++) {
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if (q->queue[i]->status == 'U')
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continue;
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if (!shown_header) {
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wt_status_print_cached_header(s);
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s->commitable = 1;
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shown_header = 1;
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}
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wt_status_print_filepair(s, WT_STATUS_UPDATED, q->queue[i]);
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}
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if (shown_header)
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wt_status_print_trailer(s);
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}
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static void wt_status_print_changed_cb(struct diff_queue_struct *q,
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struct diff_options *options,
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void *data)
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{
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struct wt_status *s = data;
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int i;
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if (q->nr) {
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const char *msg = use_add_msg;
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s->workdir_dirty = 1;
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for (i = 0; i < q->nr; i++)
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if (q->queue[i]->status == DIFF_STATUS_DELETED) {
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msg = use_add_rm_msg;
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break;
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}
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wt_status_print_header(s, "Changed but not updated", msg);
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}
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for (i = 0; i < q->nr; i++)
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wt_status_print_filepair(s, WT_STATUS_CHANGED, q->queue[i]);
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if (q->nr)
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wt_status_print_trailer(s);
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}
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static void wt_status_print_initial(struct wt_status *s)
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{
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int i;
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struct strbuf buf;
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strbuf_init(&buf, 0);
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if (active_nr) {
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s->commitable = 1;
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wt_status_print_cached_header(s);
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}
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for (i = 0; i < active_nr; i++) {
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color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
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color_fprintf_ln(s->fp, color(WT_STATUS_UPDATED), "new file: %s",
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quote_path(active_cache[i]->name, -1,
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&buf, s->prefix));
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}
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if (active_nr)
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wt_status_print_trailer(s);
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strbuf_release(&buf);
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}
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static void wt_status_print_updated(struct wt_status *s)
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{
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struct rev_info rev;
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init_revisions(&rev, NULL);
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setup_revisions(0, NULL, &rev, s->reference);
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rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
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rev.diffopt.format_callback = wt_status_print_updated_cb;
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rev.diffopt.format_callback_data = s;
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rev.diffopt.detect_rename = 1;
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rev.diffopt.rename_limit = 100;
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rev.diffopt.break_opt = 0;
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run_diff_index(&rev, 1);
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}
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static void wt_status_print_changed(struct wt_status *s)
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{
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struct rev_info rev;
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init_revisions(&rev, "");
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setup_revisions(0, NULL, &rev, NULL);
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rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
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rev.diffopt.format_callback = wt_status_print_changed_cb;
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rev.diffopt.format_callback_data = s;
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run_diff_files(&rev, 0);
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}
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static void wt_status_print_untracked(struct wt_status *s)
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{
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struct dir_struct dir;
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int i;
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int shown_header = 0;
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struct strbuf buf;
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strbuf_init(&buf, 0);
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memset(&dir, 0, sizeof(dir));
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if (!s->untracked) {
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dir.show_other_directories = 1;
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dir.hide_empty_directories = 1;
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}
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setup_standard_excludes(&dir);
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read_directory(&dir, ".", "", 0, NULL);
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for(i = 0; i < dir.nr; i++) {
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/* check for matching entry, which is unmerged; lifted from
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* builtin-ls-files:show_other_files */
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struct dir_entry *ent = dir.entries[i];
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int pos = cache_name_pos(ent->name, ent->len);
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struct cache_entry *ce;
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if (0 <= pos)
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die("bug in wt_status_print_untracked");
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pos = -pos - 1;
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if (pos < active_nr) {
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ce = active_cache[pos];
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if (ce_namelen(ce) == ent->len &&
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!memcmp(ce->name, ent->name, ent->len))
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continue;
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}
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if (!shown_header) {
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s->workdir_untracked = 1;
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wt_status_print_header(s, "Untracked files",
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use_add_to_include_msg);
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shown_header = 1;
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}
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color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
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color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED), "%s",
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quote_path(ent->name, ent->len,
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&buf, s->prefix));
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}
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strbuf_release(&buf);
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}
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static void wt_status_print_verbose(struct wt_status *s)
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{
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struct rev_info rev;
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init_revisions(&rev, NULL);
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setup_revisions(0, NULL, &rev, s->reference);
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rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
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rev.diffopt.detect_rename = 1;
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rev.diffopt.file = s->fp;
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rev.diffopt.close_file = 0;
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run_diff_index(&rev, 1);
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}
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void wt_status_print(struct wt_status *s)
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{
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unsigned char sha1[20];
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s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
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if (s->branch) {
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const char *on_what = "On branch ";
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const char *branch_name = s->branch;
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if (!prefixcmp(branch_name, "refs/heads/"))
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branch_name += 11;
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else if (!strcmp(branch_name, "HEAD")) {
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branch_name = "";
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on_what = "Not currently on any branch.";
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}
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color_fprintf_ln(s->fp, color(WT_STATUS_HEADER),
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"# %s%s", on_what, branch_name);
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}
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if (s->is_initial) {
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color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
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color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "# Initial commit");
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color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
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wt_status_print_initial(s);
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}
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else {
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wt_status_print_updated(s);
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}
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wt_status_print_changed(s);
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wt_status_print_untracked(s);
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if (s->verbose && !s->is_initial)
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wt_status_print_verbose(s);
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if (!s->commitable) {
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if (s->amend)
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fprintf(s->fp, "# No changes\n");
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else if (s->nowarn)
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; /* nothing */
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else if (s->workdir_dirty)
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printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
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else if (s->workdir_untracked)
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printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
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else if (s->is_initial)
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printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
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else
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printf("nothing to commit (working directory clean)\n");
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}
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}
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int git_status_config(const char *k, const char *v)
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{
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if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
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wt_status_use_color = git_config_colorbool(k, v, -1);
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return 0;
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}
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if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
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int slot = parse_status_slot(k, 13);
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if (!v)
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return config_error_nonbool(k);
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color_parse(v, k, wt_status_colors[slot]);
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return 0;
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}
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if (!strcmp(k, "status.relativepaths")) {
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wt_status_relative_paths = git_config_bool(k, v);
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return 0;
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}
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return git_color_default_config(k, v);
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}
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