Switch to edit worktree after staging an edit
[webgit] / src / log.c
1 /*
2     cehtehs git web frontend
3
4   Copyright (C)
5     2007, 2008,         Christian Thaeter <ct@pipapo.org>
6
7   This program is free software: you can redistribute it and/or modify
8   it under the terms of the GNU Affero General Public License as published by
9   the Free Software Foundation, either version 3 of the License, or
10   (at your option) any later version.
11
12   This program is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU Affero General Public License for more details.
16
17   You should have received a copy of the GNU Affero General Public License
18   along with this program.  If not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "log.h"
22 #include "repo.h"
23 #include "summary.h"
24 #include "actions.h"
25 #include "object.h"
26
27 #define SHA1_HEADER <openssl/sha.h>
28 #include "git/cache.h"
29 #include "git/commit.h"
30 #include "git/diff.h"
31 #include "git/revision.h"
32
33 Html
34 webgit_log_link (struct webgit_query* query,
35                  const char* repo,
36                  const char* head,
37                  const char* object, int object_len,
38                  int count,
39                  Html text)
40 {
41   return html (
42                html_tag ("a",
43                          html_attr ("href", html(
44                                                  html_fmt ("%s?repo=%s&action=log",
45                                                            query->request->script_name,
46                                                            repo),
47                                                  head ? html_fmt("&ref=%s", head)
48                                                  : html (),
49                                                  object ? html_fmt("&object=%.*s",
50                                                                    object_len, object)
51                                                  : html (),
52                                                  count > 0 ? html_fmt("&count=%d",
53                                                                       count)
54                                                  : html ()
55                                                  )
56                                     )
57                          ),
58                text
59                );
60 }
61
62
63 Html
64 webgit_log_menu_action (struct webgit_repo_info* repo)
65 {
66   return html (html_tag ("div"),
67                webgit_repo_logo (repo), "<br />",
68                // TODO:  ...., "<br />",
69                webgit_summary_link (repo->query, repo, html("Summary")), "<br />",
70                webgit_main_link (repo->query, html ("Main"))
71                );
72 }
73
74
75 Html
76 webgit_log_table (struct webgit_query* query, const char* head, const char* object, int count, int verbosity)
77 {
78   struct rev_info rev;
79   const char* argv[] = {NULL, object, NULL};
80   int argc = 2;
81
82   webgit_object_deduce (query);
83
84   init_revisions (&rev, NULL);
85   rev.verbose_header = 1;
86   rev.topo_order = 1;
87
88   setup_revisions (argc, argv, &rev, NULL);
89
90   prepare_revision_walk(&rev);
91
92   Html table = html_list ();
93   Html cont = html_list ();
94   int row = 0;
95
96   // TODO "Prev..." to go back
97
98   struct commit *commit;
99   while ((commit = get_revision (&rev)))
100     {
101       if (!count--)
102         {
103           /* displayed query->count lines, finish */
104           html_list_append (cont,
105                             webgit_log_link (
106                                              query,
107                                              query->repo,
108                                              head,
109                                              sha1_to_hex (commit->object.sha1), 40,
110                                              query->count_def,
111                                              html("More..."))
112                             );
113           free(commit->buffer);
114           commit->buffer = NULL;
115           free_commit_list(commit->parents);
116           commit->parents = NULL;
117           break;
118         }
119
120       /* TODO: check if commit is one of the heads and display that */
121
122       struct tm tm;
123       webgit_object_commit_committer_date_parse (commit, &tm);
124
125       char pretty_date[256];
126       strftime (pretty_date, 255, "%c", &tm);
127
128       ++row;
129
130       html_list_append (table,
131                         html (
132                               html_tag ("div",
133                                         html_attr ("id", "commit"),
134                                         html_attr ("class", (row & 1) ? "odd" : "even")
135                                         ),
136                               html(html_tag ("div",
137                                              html_attr ("class", "date")
138                                              ),
139                                    html_strndup (pretty_date, 254)
140                                    ),
141                               html(html_tag ("div",
142                                              html_attr ("class", "message-summary")
143                                              ),
144                                    webgit_object_link (query, webgit_object_commit_header_parse (commit),
145                                                        "repo", query->repo,
146                                                        "ref", head,
147                                                        "commit", sha1_to_hex (commit->object.sha1))
148                                    ),
149                               // TODO please refactor this if it's really silly
150                               (verbosity > 0) ?
151                               html (
152                                     html(html_tag ("div",
153                                                    html_attr ("class", "author")
154                                                    ),
155                                          webgit_email_link (
156                                                             webgit_object_commit_author_name_parse (commit),
157                                                             webgit_object_commit_author_email_parse (commit)
158                                                             )
159                                          ),
160                                     html (html_tag ("div",
161                                                     html_attr ("class", "action")
162                                                     ),
163                                           html(
164                                                "Diff ",
165                                                " ",
166                                                webgit_object_link (query, html ("Tree"),
167                                                                    "repo", query->repo,
168                                                                    "ref", head,
169                                                                    "commit", webgit_object_commit_tree_parse (commit),
170                                                                    "path", "")
171                                                )
172                                           )
173                                     )
174                               : html()
175                               ,
176
177                               (verbosity > 1) ?
178                               html (
179                                     html(html_tag ("div",
180                                                    html_attr ("class", "message")
181                                                    ),
182                                          html(html_tag ("pre"),
183                                               webgit_object_commit_message_parse (commit)
184                                               )
185                                          )
186                                     )
187                               : html()
188
189                               )
190                         );
191
192 #if 0 /* traverse parents */
193       struct commit *parent;
194       while ((parent = pop_commit (&commit->parents)))
195         {
196         }
197 #endif
198
199       free(commit->buffer);
200       commit->buffer = NULL;
201       free_commit_list(commit->parents);
202       commit->parents = NULL;
203     }
204
205   return html (html( html_tag ("div", html_attr ("id", "log")), table), cont);
206 }
207
208
209 Html
210 webgit_log_content_action (struct webgit_repo_info* repo)
211 {
212   struct webgit_query* query = repo->query;
213
214   const char* object;
215   if (query->object)
216     object = query->object;
217   else if (query->head)
218     object = query->head;
219   else
220     object = "HEAD";
221
222   return webgit_log_table (query, query->head, object, query->count, 2);
223 }
224
225 /*
226 //      Local Variables:
227 //      mode: C
228 //      c-file-style: "gnu"
229 //      indent-tabs-mode: nil
230 //      End:
231 */