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allow blob extract blobs by head/path combination

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If blob is invoked with no id=, it tries to look up h= and search for path= in
 there. Once found, proceed as normal, otherwise, fail as normal.

Signed-off-by: Michael Krelin <hacker@klever.net>
This commit is contained in:
Michael Krelin 2008-06-24 23:33:24 +02:00
parent e6b635c2b1
commit 01d2dce7e7
3 changed files with 35 additions and 6 deletions
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2
cmd.c
View File

@ -32,7 +32,7 @@ static void about_fn(struct cgit_context *ctx)
static void blob_fn(struct cgit_context *ctx)
{
cgit_print_blob(ctx->qry.sha1, ctx->qry.path);
cgit_print_blob(ctx->qry.sha1, ctx->qry.path, ctx->qry.head);
}
static void commit_fn(struct cgit_context *ctx)

31
ui-blob.c
View File

@ -10,20 +10,49 @@
#include "html.h"
#include "ui-shared.h"
void cgit_print_blob(const char *hex, char *path)
static char *match_path;
static unsigned char *matched_sha1;
static int walk_tree(const unsigned char *sha1, const char *base,int baselen, const char *pathname, unsigned mode, int stage) {
if(strncmp(base,match_path,baselen)
|| strcmp(match_path+baselen,pathname) )
return READ_TREE_RECURSIVE;
memmove(matched_sha1,sha1,20);
return 0;
}
void cgit_print_blob(const char *hex, char *path, const char *head)
{
unsigned char sha1[20];
enum object_type type;
unsigned char *buf;
unsigned long size;
struct commit *commit;
const char *paths[] = {path, NULL};
if (hex) {
if (get_sha1_hex(hex, sha1)){
cgit_print_error(fmt("Bad hex value: %s", hex));
return;
}
} else {
if (get_sha1(head,sha1)) {
cgit_print_error(fmt("Bad ref: %s", head));
return;
}
}
type = sha1_object_info(sha1, &size);
if((!hex) && type == OBJ_COMMIT && path) {
commit = lookup_commit_reference(sha1);
match_path = path;
matched_sha1 = sha1;
read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree);
type = sha1_object_info(sha1,&size);
}
if (type == OBJ_BAD) {
cgit_print_error(fmt("Bad object name: %s", hex));
return;

2
ui-blob.h
View File

@ -1,6 +1,6 @@
#ifndef UI_BLOB_H
#define UI_BLOB_H
extern void cgit_print_blob(const char *hex, char *path);
extern void cgit_print_blob(const char *hex, char *path, const char *head);
#endif /* UI_BLOB_H */