gitweb.ps.run Git - ps-cgit/blob - ui-patch.c

   1 /* ui-patch.c: generate patch view
   2  *
   3  * Copyright (C) 2007 Lars Hjemli
   4  *
   5  * Licensed under GNU General Public License v2
   6  *   (see COPYING for full license text)
   7  */
   8
   9 #include "cgit.h"
  10 #include "ui-patch.h"
  11 #include "html.h"
  12 #include "ui-shared.h"
  13
  14 void cgit_print_patch(char *hex, const char *prefix)
  15 {
  16         struct rev_info rev;
  17         struct commit *commit;
  18         unsigned char sha1[20], old_sha1[20];
  19         char rev_range[2 * 40 + 3];
  20         char *rev_argv[] = { NULL, "--reverse", "--format=email", rev_range };
  21         char *patchname;
  22
  23         if (!hex)
  24                 hex = ctx.qry.head;
  25
  26         if (get_sha1(hex, sha1)) {
  27                 cgit_print_error("Bad object id: %s", hex);
  28                 return;
  29         }
  30         commit = lookup_commit_reference(sha1);
  31         if (!commit) {
  32                 cgit_print_error("Bad commit reference: %s", hex);
  33                 return;
  34         }
  35
  36         if (commit->parents && commit->parents->item) {
  37                 hashcpy(old_sha1, commit->parents->item->object.sha1);
  38                 sprintf(rev_range, "%s..%s", sha1_to_hex(old_sha1),
  39                         sha1_to_hex(sha1));
  40         } else {
  41                 hashclr(old_sha1);
  42                 memcpy(rev_range, sha1_to_hex(sha1), 41);
  43         }
  44
  45         patchname = fmt("%s.patch", sha1_to_hex(sha1));
  46         ctx.page.mimetype = "text/plain";
  47         ctx.page.filename = patchname;
  48         cgit_print_http_headers(&ctx);
  49
  50         if (ctx.cfg.noplainemail) {
  51                 rev_argv[2] = "--format=format:From %H Mon Sep 17 00:00:00 "
  52                               "2001%nFrom: %an%nDate: %aD%n%w(78,0,1)Subject: "
  53                               "%s%n%n%w(0)%b";
  54         }
  55
  56         init_revisions(&rev, NULL);
  57         rev.abbrev = DEFAULT_ABBREV;
  58         rev.verbose_header = 1;
  59         rev.diff = 1;
  60         rev.show_root_diff = 1;
  61         rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
  62         setup_revisions(ARRAY_SIZE(rev_argv), (const char **)rev_argv, &rev,
  63                         NULL);
  64         prepare_revision_walk(&rev);
  65
  66         while ((commit = get_revision(&rev)) != NULL) {
  67                 log_tree_commit(&rev, commit);
  68                 printf("--\ncgit %s\n", cgit_version);
  69         }
  70 }