editor: add a function to launch the sequence editor
[git.git] / rebase-interactive.c
blobd7996bc8d9ff2e3f47f5fb45cb32b98884e853dc
1 #include "cache.h"
2 #include "commit.h"
3 #include "rebase-interactive.h"
4 #include "sequencer.h"
5 #include "strbuf.h"
7 int append_todo_help(unsigned edit_todo, unsigned keep_empty)
9 struct strbuf buf = STRBUF_INIT;
10 FILE *todo;
11 int ret;
12 const char *msg = _("\nCommands:\n"
13 "p, pick <commit> = use commit\n"
14 "r, reword <commit> = use commit, but edit the commit message\n"
15 "e, edit <commit> = use commit, but stop for amending\n"
16 "s, squash <commit> = use commit, but meld into previous commit\n"
17 "f, fixup <commit> = like \"squash\", but discard this commit's log message\n"
18 "x, exec <command> = run command (the rest of the line) using shell\n"
19 "d, drop <commit> = remove commit\n"
20 "l, label <label> = label current HEAD with a name\n"
21 "t, reset <label> = reset HEAD to a label\n"
22 "m, merge [-C <commit> | -c <commit>] <label> [# <oneline>]\n"
23 ". create a merge commit using the original merge commit's\n"
24 ". message (or the oneline, if no original merge commit was\n"
25 ". specified). Use -c <commit> to reword the commit message.\n"
26 "\n"
27 "These lines can be re-ordered; they are executed from top to bottom.\n");
29 todo = fopen_or_warn(rebase_path_todo(), "a");
30 if (!todo)
31 return 1;
33 strbuf_add_commented_lines(&buf, msg, strlen(msg));
35 if (get_missing_commit_check_level() == MISSING_COMMIT_CHECK_ERROR)
36 msg = _("\nDo not remove any line. Use 'drop' "
37 "explicitly to remove a commit.\n");
38 else
39 msg = _("\nIf you remove a line here "
40 "THAT COMMIT WILL BE LOST.\n");
42 strbuf_add_commented_lines(&buf, msg, strlen(msg));
44 if (edit_todo)
45 msg = _("\nYou are editing the todo file "
46 "of an ongoing interactive rebase.\n"
47 "To continue rebase after editing, run:\n"
48 " git rebase --continue\n\n");
49 else
50 msg = _("\nHowever, if you remove everything, "
51 "the rebase will be aborted.\n\n");
53 strbuf_add_commented_lines(&buf, msg, strlen(msg));
55 if (!keep_empty) {
56 msg = _("Note that empty commits are commented out");
57 strbuf_add_commented_lines(&buf, msg, strlen(msg));
60 ret = fputs(buf.buf, todo);
61 if (ret < 0)
62 error_errno(_("could not append help text to '%s'"), rebase_path_todo());
64 fclose(todo);
65 strbuf_release(&buf);
67 return ret;