diff options
Diffstat (limited to 'add-patch.c')
-rw-r--r-- | add-patch.c | 115 |
1 files changed, 74 insertions, 41 deletions
diff --git a/add-patch.c b/add-patch.c index bfe19876cd..557903310d 100644 --- a/add-patch.c +++ b/add-patch.c @@ -1,3 +1,5 @@ +#define USE_THE_REPOSITORY_VARIABLE + #include "git-compat-util.h" #include "add-interactive.h" #include "advice.h" @@ -5,14 +7,15 @@ #include "environment.h" #include "gettext.h" #include "object-name.h" +#include "pager.h" #include "read-cache-ll.h" #include "repository.h" #include "strbuf.h" +#include "sigchain.h" #include "run-command.h" #include "strvec.h" #include "pathspec.h" #include "color.h" -#include "diff.h" #include "compat/terminal.h" #include "prompt.h" @@ -294,13 +297,13 @@ static void err(struct add_p_state *s, const char *fmt, ...) va_list args; va_start(args, fmt); - fputs(s->s.error_color, stderr); - vfprintf(stderr, fmt, args); - fputs(s->s.reset_color, stderr); - fputc('\n', stderr); + fputs(s->s.error_color, stdout); + vprintf(fmt, args); + puts(s->s.reset_color); va_end(args); } +LAST_ARG_MUST_BE_NULL static void setup_child_process(struct add_p_state *s, struct child_process *cp, ...) { @@ -401,6 +404,12 @@ static void complete_file(char marker, struct hunk *hunk) hunk->splittable_into++; } +/* Empty context lines may omit the leading ' ' */ +static int normalize_marker(const char *p) +{ + return p[0] == '\n' || (p[0] == '\r' && p[1] == '\n') ? ' ' : p[0]; +} + static int parse_diff(struct add_p_state *s, const struct pathspec *ps) { struct strvec args = STRVEC_INIT; @@ -422,7 +431,7 @@ static int parse_diff(struct add_p_state *s, const struct pathspec *ps) /* could be on an unborn branch */ !strcmp("HEAD", s->revision) && repo_get_oid(the_repository, "HEAD", &oid) ? - empty_tree_oid_hex() : s->revision); + empty_tree_oid_hex(the_repository->hash_algo) : s->revision); } color_arg_index = args.nr; /* Use `--no-color` explicitly, just in case `diff.color = always`. */ @@ -486,6 +495,7 @@ static int parse_diff(struct add_p_state *s, const struct pathspec *ps) while (p != pend) { char *eol = memchr(p, '\n', pend - p); const char *deleted = NULL, *mode_change = NULL; + char ch = normalize_marker(p); if (!eol) eol = pend; @@ -533,7 +543,7 @@ static int parse_diff(struct add_p_state *s, const struct pathspec *ps) * Start counting into how many hunks this one can be * split */ - marker = *p; + marker = ch; } else if (hunk == &file_diff->head && starts_with(p, "new file")) { file_diff->added = 1; @@ -587,10 +597,10 @@ static int parse_diff(struct add_p_state *s, const struct pathspec *ps) (int)(eol - (plain->buf + file_diff->head.start)), plain->buf + file_diff->head.start); - if ((marker == '-' || marker == '+') && *p == ' ') + if ((marker == '-' || marker == '+') && ch == ' ') hunk->splittable_into++; - if (marker && *p != '\\') - marker = *p; + if (marker && ch != '\\') + marker = ch; p = eol == pend ? pend : eol + 1; hunk->end = p - plain->buf; @@ -814,7 +824,7 @@ static int merge_hunks(struct add_p_state *s, struct file_diff *file_diff, (int)(hunk->end - hunk->start), plain + hunk->start); - if (plain[overlap_end] != ' ') + if (normalize_marker(&plain[overlap_end]) != ' ') return error(_("expected context line " "#%d in\n%.*s"), (int)(j + 1), @@ -954,7 +964,7 @@ static int split_hunk(struct add_p_state *s, struct file_diff *file_diff, context_line_count = 0; while (splittable_into > 1) { - ch = s->plain.buf[current]; + ch = normalize_marker(&s->plain.buf[current]); if (!ch) BUG("buffer overrun while splitting hunks"); @@ -1106,33 +1116,34 @@ static int edit_hunk_manually(struct add_p_state *s, struct hunk *hunk) size_t i; strbuf_reset(&s->buf); - strbuf_commented_addf(&s->buf, comment_line_char, + strbuf_commented_addf(&s->buf, comment_line_str, _("Manual hunk edit mode -- see bottom for " "a quick guide.\n")); render_hunk(s, hunk, 0, 0, &s->buf); - strbuf_commented_addf(&s->buf, comment_line_char, + strbuf_commented_addf(&s->buf, comment_line_str, _("---\n" "To remove '%c' lines, make them ' ' lines " "(context).\n" "To remove '%c' lines, delete them.\n" - "Lines starting with %c will be removed.\n"), + "Lines starting with %s will be removed.\n"), s->mode->is_reverse ? '+' : '-', s->mode->is_reverse ? '-' : '+', - comment_line_char); - strbuf_commented_addf(&s->buf, comment_line_char, "%s", + comment_line_str); + strbuf_commented_addf(&s->buf, comment_line_str, "%s", _(s->mode->edit_hunk_hint)); /* * TRANSLATORS: 'it' refers to the patch mentioned in the previous * messages. */ - strbuf_commented_addf(&s->buf, comment_line_char, + strbuf_commented_addf(&s->buf, comment_line_str, _("If it does not apply cleanly, you will be " "given an opportunity to\n" "edit again. If all lines of the hunk are " "removed, then the edit is\n" "aborted and the hunk is left unchanged.\n")); - if (strbuf_edit_interactively(&s->buf, "addp-hunk-edit.diff", NULL) < 0) + if (strbuf_edit_interactively(the_repository, &s->buf, + "addp-hunk-edit.diff", NULL) < 0) return -1; /* strip out commented lines */ @@ -1140,7 +1151,7 @@ static int edit_hunk_manually(struct add_p_state *s, struct hunk *hunk) for (i = 0; i < s->buf.len; ) { size_t next = find_next_line(&s->buf, i); - if (s->buf.buf[i] != comment_line_char) + if (!starts_with(s->buf.buf + i, comment_line_str)) strbuf_add(&s->plain, s->buf.buf + i, next - i); i = next; } @@ -1172,14 +1183,14 @@ static ssize_t recount_edited_hunk(struct add_p_state *s, struct hunk *hunk, header->old_count = header->new_count = 0; for (i = hunk->start; i < hunk->end; ) { - switch (s->plain.buf[i]) { + switch(normalize_marker(&s->plain.buf[i])) { case '-': header->old_count++; break; case '+': header->new_count++; break; - case ' ': case '\r': case '\n': + case ' ': header->old_count++; header->new_count++; break; @@ -1229,6 +1240,7 @@ static int prompt_yesno(struct add_p_state *s, const char *prompt) fflush(stdout); if (read_single_character(s) == EOF) return -1; + /* do not limit to 1-byte input to allow 'no' etc. */ switch (tolower(s->answer.buf[0])) { case 'n': return 0; case 'y': return 1; @@ -1327,7 +1339,7 @@ static int apply_for_checkout(struct add_p_state *s, struct strbuf *diff, err(s, _("Nothing was applied.\n")); } else /* As a last resort, show the diff to the user */ - fwrite(diff->buf, diff->len, 1, stderr); + fwrite(diff->buf, diff->len, 1, stdout); return 0; } @@ -1389,17 +1401,18 @@ N_("j - leave this hunk undecided, see next undecided hunk\n" "/ - search for a hunk matching the given regex\n" "s - split the current hunk into smaller hunks\n" "e - manually edit the current hunk\n" + "p - print the current hunk, 'P' to use the pager\n" "? - print help\n"); static int patch_update_file(struct add_p_state *s, struct file_diff *file_diff) { size_t hunk_index = 0; - ssize_t i, undecided_previous, undecided_next; + ssize_t i, undecided_previous, undecided_next, rendered_hunk_index = -1; struct hunk *hunk; char ch; struct child_process cp = CHILD_PROCESS_INIT; - int colored = !!s->colored.len, quit = 0; + int colored = !!s->colored.len, quit = 0, use_pager = 0; enum prompt_mode_type prompt_mode_type; enum { ALLOW_GOTO_PREVIOUS_HUNK = 1 << 0, @@ -1448,8 +1461,20 @@ static int patch_update_file(struct add_p_state *s, strbuf_reset(&s->buf); if (file_diff->hunk_nr) { - render_hunk(s, hunk, 0, colored, &s->buf); - fputs(s->buf.buf, stdout); + if (rendered_hunk_index != hunk_index) { + if (use_pager) { + setup_pager(); + sigchain_push(SIGPIPE, SIG_IGN); + } + render_hunk(s, hunk, 0, colored, &s->buf); + fputs(s->buf.buf, stdout); + rendered_hunk_index = hunk_index; + if (use_pager) { + sigchain_pop(SIGPIPE); + wait_for_pager(); + use_pager = 0; + } + } strbuf_reset(&s->buf); if (undecided_previous >= 0) { @@ -1481,6 +1506,7 @@ static int patch_update_file(struct add_p_state *s, permitted |= ALLOW_EDIT; strbuf_addstr(&s->buf, ",e"); } + strbuf_addstr(&s->buf, ",p"); } if (file_diff->deleted) prompt_mode_type = PROMPT_DELETION; @@ -1507,6 +1533,12 @@ static int patch_update_file(struct add_p_state *s, if (!s->answer.len) continue; ch = tolower(s->answer.buf[0]); + + /* 'g' takes a hunk number and '/' takes a regexp */ + if (s->answer.len != 1 && (ch != 'g' && ch != '/')) { + err(s, _("Only one letter is expected, got '%s'"), s->answer.buf); + continue; + } if (ch == 'y') { hunk->use = USE_HUNK; soft_increment: @@ -1642,16 +1674,19 @@ soft_increment: err(s, _("No hunk matches the given pattern")); break; } + regfree(®ex); hunk_index = i; } else if (s->answer.buf[0] == 's') { size_t splittable_into = hunk->splittable_into; - if (!(permitted & ALLOW_SPLIT)) + if (!(permitted & ALLOW_SPLIT)) { err(s, _("Sorry, cannot split this hunk")); - else if (!split_hunk(s, file_diff, - hunk - file_diff->hunk)) + } else if (!split_hunk(s, file_diff, + hunk - file_diff->hunk)) { color_fprintf_ln(stdout, s->s.header_color, _("Split into %d hunks."), (int)splittable_into); + rendered_hunk_index = -1; + } } else if (s->answer.buf[0] == 'e') { if (!(permitted & ALLOW_EDIT)) err(s, _("Sorry, cannot edit this hunk")); @@ -1659,7 +1694,10 @@ soft_increment: hunk->use = USE_HUNK; goto soft_increment; } - } else { + } else if (ch == 'p') { + rendered_hunk_index = -1; + use_pager = (s->answer.buf[0] == 'P') ? 1 : 0; + } else if (s->answer.buf[0] == '?') { const char *p = _(help_patch_remainder), *eol = p; color_fprintf(stdout, s->s.help_color, "%s", @@ -1683,6 +1721,9 @@ soft_increment: color_fprintf_ln(stdout, s->s.help_color, "%.*s", (int)(eol - p), p); } + } else { + err(s, _("Unknown command '%s' (use '?' for help)"), + s->answer.buf); } } @@ -1730,14 +1771,6 @@ int run_add_p(struct repository *r, enum add_p_mode mode, if (mode == ADD_P_STASH) s.mode = &patch_mode_stash; else if (mode == ADD_P_RESET) { - /* - * NEEDSWORK: Instead of comparing to the literal "HEAD", - * compare the commit objects instead so that other ways of - * saying the same thing (such as "@") are also handled - * appropriately. - * - * This applies to the cases below too. - */ if (!revision || !strcmp(revision, "HEAD")) s.mode = &patch_mode_reset_head; else @@ -1777,9 +1810,9 @@ int run_add_p(struct repository *r, enum add_p_mode mode, break; if (s.file_diff_nr == 0) - fprintf(stderr, _("No changes.\n")); + err(&s, _("No changes.")); else if (binary_count == s.file_diff_nr) - fprintf(stderr, _("Only binary files changed.\n")); + err(&s, _("Only binary files changed.")); add_p_state_clear(&s); return 0; |