Andrew's git - gitweb.git/blob - rebase-interactive.c

   1#include "cache.h"
   2#include "commit.h"
   3#include "rebase-interactive.h"
   4#include "sequencer.h"
   5#include "strbuf.h"
   6
   7void append_todo_help(unsigned edit_todo, unsigned keep_empty,
   8                      struct strbuf *buf)
   9{
  10        const char *msg = _("\nCommands:\n"
  11"p, pick <commit> = use commit\n"
  12"r, reword <commit> = use commit, but edit the commit message\n"
  13"e, edit <commit> = use commit, but stop for amending\n"
  14"s, squash <commit> = use commit, but meld into previous commit\n"
  15"f, fixup <commit> = like \"squash\", but discard this commit's log message\n"
  16"x, exec <command> = run command (the rest of the line) using shell\n"
  17"d, drop <commit> = remove commit\n"
  18"l, label <label> = label current HEAD with a name\n"
  19"t, reset <label> = reset HEAD to a label\n"
  20"m, merge [-C <commit> | -c <commit>] <label> [# <oneline>]\n"
  21".       create a merge commit using the original merge commit's\n"
  22".       message (or the oneline, if no original merge commit was\n"
  23".       specified). Use -c <commit> to reword the commit message.\n"
  24"\n"
  25"These lines can be re-ordered; they are executed from top to bottom.\n");
  26
  27        strbuf_add_commented_lines(buf, msg, strlen(msg));
  28
  29        if (get_missing_commit_check_level() == MISSING_COMMIT_CHECK_ERROR)
  30                msg = _("\nDo not remove any line. Use 'drop' "
  31                         "explicitly to remove a commit.\n");
  32        else
  33                msg = _("\nIf you remove a line here "
  34                         "THAT COMMIT WILL BE LOST.\n");
  35
  36        strbuf_add_commented_lines(buf, msg, strlen(msg));
  37
  38        if (edit_todo)
  39                msg = _("\nYou are editing the todo file "
  40                        "of an ongoing interactive rebase.\n"
  41                        "To continue rebase after editing, run:\n"
  42                        "    git rebase --continue\n\n");
  43        else
  44                msg = _("\nHowever, if you remove everything, "
  45                        "the rebase will be aborted.\n\n");
  46
  47        strbuf_add_commented_lines(buf, msg, strlen(msg));
  48
  49        if (!keep_empty) {
  50                msg = _("Note that empty commits are commented out");
  51                strbuf_add_commented_lines(buf, msg, strlen(msg));
  52        }
  53}
  54
  55int append_todo_help_to_file(unsigned edit_todo, unsigned keep_empty)
  56{
  57        struct strbuf buf = STRBUF_INIT;
  58        FILE *todo;
  59        int ret;
  60
  61        todo = fopen_or_warn(rebase_path_todo(), "a");
  62        if (!todo)
  63                return -1;
  64
  65        append_todo_help(edit_todo, keep_empty, &buf);
  66
  67        ret = fputs(buf.buf, todo);
  68        if (ret < 0)
  69                error_errno(_("could not append help text to '%s'"), rebase_path_todo());
  70
  71        fclose(todo);
  72        strbuf_release(&buf);
  73
  74        return ret;
  75}
  76
  77int edit_todo_list(unsigned flags)
  78{
  79        struct strbuf buf = STRBUF_INIT;
  80        const char *todo_file = rebase_path_todo();
  81
  82        if (strbuf_read_file(&buf, todo_file, 0) < 0)
  83                return error_errno(_("could not read '%s'."), todo_file);
  84
  85        strbuf_stripspace(&buf, 1);
  86        if (write_message(buf.buf, buf.len, todo_file, 0)) {
  87                strbuf_release(&buf);
  88                return -1;
  89        }
  90
  91        strbuf_release(&buf);
  92
  93        transform_todos(flags | TODO_LIST_SHORTEN_IDS);
  94
  95        if (strbuf_read_file(&buf, todo_file, 0) < 0)
  96                return error_errno(_("could not read '%s'."), todo_file);
  97
  98        append_todo_help(1, 0, &buf);
  99        if (write_message(buf.buf, buf.len, todo_file, 0)) {
 100                strbuf_release(&buf);
 101                return -1;
 102        }
 103
 104        strbuf_release(&buf);
 105
 106        if (launch_sequence_editor(todo_file, NULL, NULL))
 107                return -1;
 108
 109        transform_todos(flags & ~(TODO_LIST_SHORTEN_IDS));
 110
 111        return 0;
 112}