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-rw-r--r--ui-diff.c66
1 files changed, 32 insertions, 34 deletions
diff --git a/ui-diff.c b/ui-diff.c
index 4695e3a..0be845f 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -89,54 +89,52 @@ static void filepair_cb(struct diff_filepair *pair)
89 cgit_print_error("Error running diff"); 89 cgit_print_error("Error running diff");
90} 90}
91 91
92void cgit_print_diff(const char *head, const char *old_hex, const char *new_hex, char *path) 92void cgit_print_diff(const char *new_rev, const char *old_rev)
93{ 93{
94 unsigned char sha1[20], sha2[20]; 94 unsigned char sha1[20], sha2[20];
95 enum object_type type; 95 enum object_type type;
96 unsigned long size; 96 unsigned long size;
97 struct commit *commit; 97 struct commit *commit, *commit2;
98 98
99 if (head && !old_hex && !new_hex) { 99 if (!new_rev)
100 get_sha1(head, sha1); 100 new_rev = cgit_query_head;
101 commit = lookup_commit_reference(sha1); 101 get_sha1(new_rev, sha1);
102 if (commit && !parse_commit(commit)) { 102 type = sha1_object_info(sha1, &size);
103 html("<table class='diff'>"); 103 if (type == OBJ_BAD) {
104 html("<tr><td>"); 104 cgit_print_error(fmt("Bad object name: %s", new_rev));
105 cgit_diff_commit(commit, filepair_cb); 105 return;
106 html("</td></tr>"); 106 }
107 html("</table>"); 107 if (type != OBJ_COMMIT) {
108 } 108 cgit_print_error(fmt("Unhandled object type: %s",
109 typename(type)));
109 return; 110 return;
110 } 111 }
111 112
112 get_sha1(old_hex, sha1); 113 commit = lookup_commit_reference(sha1);
113 get_sha1(new_hex, sha2); 114 if (!commit || parse_commit(commit))
115 cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(sha1)));
114 116
115 type = sha1_object_info(sha1, &size); 117 if (old_rev)
116 if (type == OBJ_BAD) { 118 get_sha1(old_rev, sha2);
119 else if (commit->parents && commit->parents->item)
120 hashcpy(sha2, commit->parents->item->object.sha1);
121 else
122 hashclr(sha2);
123
124 if (!is_null_sha1(sha2)) {
117 type = sha1_object_info(sha2, &size); 125 type = sha1_object_info(sha2, &size);
118 if (type == OBJ_BAD) { 126 if (type == OBJ_BAD) {
119 cgit_print_error(fmt("Bad object names: %s, %s", old_hex, new_hex)); 127 cgit_print_error(fmt("Bad object name: %s", sha1_to_hex(sha2)));
120 return; 128 return;
121 } 129 }
130 commit2 = lookup_commit_reference(sha2);
131 if (!commit2 || parse_commit(commit2))
132 cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(sha2)));
122 } 133 }
123 134
124 html("<table class='diff'>"); 135 html("<table class='diff'>");
125 switch(type) { 136 html("<tr><td>");
126 case OBJ_BLOB: 137 cgit_diff_tree(sha2, sha1, filepair_cb);
127 html("<tr><td>"); 138 html("</td></tr>");
128 header(sha1, path, 0644, sha2, path, 0644);
129 if (cgit_diff_files(sha1, sha2, print_line))
130 cgit_print_error("Error running diff");
131 html("</td></tr>");
132 break;
133 case OBJ_TREE:
134 cgit_diff_tree(sha1, sha2, filepair_cb);
135 break;
136 default:
137 cgit_print_error(fmt("Unhandled object type: %s",
138 typename(type)));
139 break;
140 }
141 html("</table>"); 139 html("</table>");
142} 140}