diff options
Diffstat (limited to 'unpack-file.c')
-rw-r--r-- | unpack-file.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/unpack-file.c b/unpack-file.c new file mode 100644 index 0000000000..65c66eb0bf --- /dev/null +++ b/unpack-file.c @@ -0,0 +1,38 @@ +#include "cache.h" +#include "blob.h" + +static char *create_temp_file(unsigned char *sha1) +{ + static char path[50]; + void *buf; + enum object_type type; + unsigned long size; + int fd; + + buf = read_sha1_file(sha1, &type, &size); + if (!buf || type != OBJ_BLOB) + die("unable to read blob object %s", sha1_to_hex(sha1)); + + strcpy(path, ".merge_file_XXXXXX"); + fd = xmkstemp(path); + if (write_in_full(fd, buf, size) != size) + die("unable to write temp-file"); + close(fd); + return path; +} + +int main(int argc, char **argv) +{ + unsigned char sha1[20]; + + if (argc != 2) + usage("git-unpack-file <sha1>"); + if (get_sha1(argv[1], sha1)) + die("Not a valid object name %s", argv[1]); + + setup_git_directory(); + git_config(git_default_config); + + puts(create_temp_file(sha1)); + return 0; +} |