summaryrefslogtreecommitdiffabout
path: root/ui-diff.c
Unidiff
Diffstat (limited to 'ui-diff.c') (more/less context) (ignore whitespace changes)
-rw-r--r--ui-diff.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/ui-diff.c b/ui-diff.c
index 4fcf852..2a22009 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -1,149 +1,150 @@
1/* ui-diff.c: show diff between two blobs 1/* ui-diff.c: show diff between two blobs
2 * 2 *
3 * Copyright (C) 2006 Lars Hjemli 3 * Copyright (C) 2006 Lars Hjemli
4 * 4 *
5 * Licensed under GNU General Public License v2 5 * Licensed under GNU General Public License v2
6 * (see COPYING for full license text) 6 * (see COPYING for full license text)
7 */ 7 */
8 8
9#include "cgit.h" 9#include "cgit.h"
10 10#include "html.h"
11#include "ui-shared.h"
11 12
12unsigned char old_rev_sha1[20]; 13unsigned char old_rev_sha1[20];
13unsigned char new_rev_sha1[20]; 14unsigned char new_rev_sha1[20];
14 15
15/* 16/*
16 * print a single line returned from xdiff 17 * print a single line returned from xdiff
17 */ 18 */
18static void print_line(char *line, int len) 19static void print_line(char *line, int len)
19{ 20{
20 char *class = "ctx"; 21 char *class = "ctx";
21 char c = line[len-1]; 22 char c = line[len-1];
22 23
23 if (line[0] == '+') 24 if (line[0] == '+')
24 class = "add"; 25 class = "add";
25 else if (line[0] == '-') 26 else if (line[0] == '-')
26 class = "del"; 27 class = "del";
27 else if (line[0] == '@') 28 else if (line[0] == '@')
28 class = "hunk"; 29 class = "hunk";
29 30
30 htmlf("<div class='%s'>", class); 31 htmlf("<div class='%s'>", class);
31 line[len-1] = '\0'; 32 line[len-1] = '\0';
32 html_txt(line); 33 html_txt(line);
33 html("</div>"); 34 html("</div>");
34 line[len-1] = c; 35 line[len-1] = c;
35} 36}
36 37
37static void header(unsigned char *sha1, char *path1, int mode1, 38static void header(unsigned char *sha1, char *path1, int mode1,
38 unsigned char *sha2, char *path2, int mode2) 39 unsigned char *sha2, char *path2, int mode2)
39{ 40{
40 char *abbrev1, *abbrev2; 41 char *abbrev1, *abbrev2;
41 int subproject; 42 int subproject;
42 43
43 subproject = (S_ISGITLINK(mode1) || S_ISGITLINK(mode2)); 44 subproject = (S_ISGITLINK(mode1) || S_ISGITLINK(mode2));
44 html("<div class='head'>"); 45 html("<div class='head'>");
45 html("diff --git a/"); 46 html("diff --git a/");
46 html_txt(path1); 47 html_txt(path1);
47 html(" b/"); 48 html(" b/");
48 html_txt(path2); 49 html_txt(path2);
49 50
50 if (is_null_sha1(sha1)) 51 if (is_null_sha1(sha1))
51 path1 = "dev/null"; 52 path1 = "dev/null";
52 if (is_null_sha1(sha2)) 53 if (is_null_sha1(sha2))
53 path2 = "dev/null"; 54 path2 = "dev/null";
54 55
55 if (mode1 == 0) 56 if (mode1 == 0)
56 htmlf("<br/>new file mode %.6o", mode2); 57 htmlf("<br/>new file mode %.6o", mode2);
57 58
58 if (mode2 == 0) 59 if (mode2 == 0)
59 htmlf("<br/>deleted file mode %.6o", mode1); 60 htmlf("<br/>deleted file mode %.6o", mode1);
60 61
61 if (!subproject) { 62 if (!subproject) {
62 abbrev1 = xstrdup(find_unique_abbrev(sha1, DEFAULT_ABBREV)); 63 abbrev1 = xstrdup(find_unique_abbrev(sha1, DEFAULT_ABBREV));
63 abbrev2 = xstrdup(find_unique_abbrev(sha2, DEFAULT_ABBREV)); 64 abbrev2 = xstrdup(find_unique_abbrev(sha2, DEFAULT_ABBREV));
64 htmlf("<br/>index %s..%s", abbrev1, abbrev2); 65 htmlf("<br/>index %s..%s", abbrev1, abbrev2);
65 free(abbrev1); 66 free(abbrev1);
66 free(abbrev2); 67 free(abbrev2);
67 if (mode1 != 0 && mode2 != 0) { 68 if (mode1 != 0 && mode2 != 0) {
68 htmlf(" %.6o", mode1); 69 htmlf(" %.6o", mode1);
69 if (mode2 != mode1) 70 if (mode2 != mode1)
70 htmlf("..%.6o", mode2); 71 htmlf("..%.6o", mode2);
71 } 72 }
72 html("<br/>--- a/"); 73 html("<br/>--- a/");
73 if (mode1 != 0) 74 if (mode1 != 0)
74 cgit_tree_link(path1, NULL, NULL, cgit_query_head, 75 cgit_tree_link(path1, NULL, NULL, ctx.qry.head,
75 sha1_to_hex(old_rev_sha1), path1); 76 sha1_to_hex(old_rev_sha1), path1);
76 else 77 else
77 html_txt(path1); 78 html_txt(path1);
78 html("<br/>+++ b/"); 79 html("<br/>+++ b/");
79 if (mode2 != 0) 80 if (mode2 != 0)
80 cgit_tree_link(path2, NULL, NULL, cgit_query_head, 81 cgit_tree_link(path2, NULL, NULL, ctx.qry.head,
81 sha1_to_hex(new_rev_sha1), path2); 82 sha1_to_hex(new_rev_sha1), path2);
82 else 83 else
83 html_txt(path2); 84 html_txt(path2);
84 } 85 }
85 html("</div>"); 86 html("</div>");
86} 87}
87 88
88static void filepair_cb(struct diff_filepair *pair) 89static void filepair_cb(struct diff_filepair *pair)
89{ 90{
90 header(pair->one->sha1, pair->one->path, pair->one->mode, 91 header(pair->one->sha1, pair->one->path, pair->one->mode,
91 pair->two->sha1, pair->two->path, pair->two->mode); 92 pair->two->sha1, pair->two->path, pair->two->mode);
92 if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) { 93 if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) {
93 if (S_ISGITLINK(pair->one->mode)) 94 if (S_ISGITLINK(pair->one->mode))
94 print_line(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52); 95 print_line(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52);
95 if (S_ISGITLINK(pair->two->mode)) 96 if (S_ISGITLINK(pair->two->mode))
96 print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52); 97 print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52);
97 return; 98 return;
98 } 99 }
99 if (cgit_diff_files(pair->one->sha1, pair->two->sha1, print_line)) 100 if (cgit_diff_files(pair->one->sha1, pair->two->sha1, print_line))
100 cgit_print_error("Error running diff"); 101 cgit_print_error("Error running diff");
101} 102}
102 103
103void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefix) 104void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefix)
104{ 105{
105 enum object_type type; 106 enum object_type type;
106 unsigned long size; 107 unsigned long size;
107 struct commit *commit, *commit2; 108 struct commit *commit, *commit2;
108 109
109 if (!new_rev) 110 if (!new_rev)
110 new_rev = cgit_query_head; 111 new_rev = ctx.qry.head;
111 get_sha1(new_rev, new_rev_sha1); 112 get_sha1(new_rev, new_rev_sha1);
112 type = sha1_object_info(new_rev_sha1, &size); 113 type = sha1_object_info(new_rev_sha1, &size);
113 if (type == OBJ_BAD) { 114 if (type == OBJ_BAD) {
114 cgit_print_error(fmt("Bad object name: %s", new_rev)); 115 cgit_print_error(fmt("Bad object name: %s", new_rev));
115 return; 116 return;
116 } 117 }
117 if (type != OBJ_COMMIT) { 118 if (type != OBJ_COMMIT) {
118 cgit_print_error(fmt("Unhandled object type: %s", 119 cgit_print_error(fmt("Unhandled object type: %s",
119 typename(type))); 120 typename(type)));
120 return; 121 return;
121 } 122 }
122 123
123 commit = lookup_commit_reference(new_rev_sha1); 124 commit = lookup_commit_reference(new_rev_sha1);
124 if (!commit || parse_commit(commit)) 125 if (!commit || parse_commit(commit))
125 cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(new_rev_sha1))); 126 cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(new_rev_sha1)));
126 127
127 if (old_rev) 128 if (old_rev)
128 get_sha1(old_rev, old_rev_sha1); 129 get_sha1(old_rev, old_rev_sha1);
129 else if (commit->parents && commit->parents->item) 130 else if (commit->parents && commit->parents->item)
130 hashcpy(old_rev_sha1, commit->parents->item->object.sha1); 131 hashcpy(old_rev_sha1, commit->parents->item->object.sha1);
131 else 132 else
132 hashclr(old_rev_sha1); 133 hashclr(old_rev_sha1);
133 134
134 if (!is_null_sha1(old_rev_sha1)) { 135 if (!is_null_sha1(old_rev_sha1)) {
135 type = sha1_object_info(old_rev_sha1, &size); 136 type = sha1_object_info(old_rev_sha1, &size);
136 if (type == OBJ_BAD) { 137 if (type == OBJ_BAD) {
137 cgit_print_error(fmt("Bad object name: %s", sha1_to_hex(old_rev_sha1))); 138 cgit_print_error(fmt("Bad object name: %s", sha1_to_hex(old_rev_sha1)));
138 return; 139 return;
139 } 140 }
140 commit2 = lookup_commit_reference(old_rev_sha1); 141 commit2 = lookup_commit_reference(old_rev_sha1);
141 if (!commit2 || parse_commit(commit2)) 142 if (!commit2 || parse_commit(commit2))
142 cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(old_rev_sha1))); 143 cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(old_rev_sha1)));
143 } 144 }
144 html("<table summary='diff' class='diff'>"); 145 html("<table summary='diff' class='diff'>");
145 html("<tr><td>"); 146 html("<tr><td>");
146 cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix); 147 cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix);
147 html("</td></tr>"); 148 html("</td></tr>");
148 html("</table>"); 149 html("</table>");
149} 150}