X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=rpull.c;h=f4ab89836455a40aaab3ff4114396185f6d5655a;hb=000182eacf99cde27d5916aa415921924b82972c;hp=c27af2c2464de28732b8ad1fff3ed8a0804250d6;hpb=6eb7ed5403b7d57d5ed7e30d0cd0b312888ee95c;p=git.git diff --git a/rpull.c b/rpull.c index c27af2c2..f4ab8983 100644 --- a/rpull.c +++ b/rpull.c @@ -1,89 +1,40 @@ -#include -#include -#include -#include #include "cache.h" #include "commit.h" -#include -#include #include "rsh.h" - -static int tree = 0; -static int commits = 0; -static int all = 0; +#include "pull.h" static int fd_in; static int fd_out; -static int fetch(unsigned char *sha1) +static unsigned char remote_version = 0; +static unsigned char local_version = 1; + +int fetch(unsigned char *sha1) { + int ret; + signed char remote; + char type = 'o'; if (has_sha1_file(sha1)) return 0; + write(fd_out, &type, 1); write(fd_out, sha1, 20); - return write_sha1_from_fd(sha1, fd_in); -} - -static int process_tree(unsigned char *sha1) -{ - struct tree *tree = lookup_tree(sha1); - struct tree_entry_list *entries; - - if (parse_tree(tree)) + if (read(fd_in, &remote, 1) < 1) return -1; - - for (entries = tree->entries; entries; entries = entries->next) { - /* - fprintf(stderr, "Tree %s ", sha1_to_hex(sha1)); - fprintf(stderr, "needs %s\n", - sha1_to_hex(entries->item.tree->object.sha1)); - */ - if (fetch(entries->item.tree->object.sha1)) { - return error("Missing item %s", - sha1_to_hex(entries->item.tree->object.sha1)); - } - if (entries->directory) { - if (process_tree(entries->item.tree->object.sha1)) - return -1; - } - } - return 0; + if (remote < 0) + return remote; + ret = write_sha1_from_fd(sha1, fd_in); + if (!ret) + pull_say("got %s\n", sha1_to_hex(sha1)); + return ret; } -static int process_commit(unsigned char *sha1) +int get_version(void) { - struct commit *obj = lookup_commit(sha1); - - if (fetch(sha1)) { - return error("Fetching %s", sha1_to_hex(sha1)); - } - - if (parse_commit(obj)) - return -1; - - if (tree) { - if (fetch(obj->tree->object.sha1)) - return -1; - if (process_tree(obj->tree->object.sha1)) - return -1; - if (!all) - tree = 0; - } - if (commits) { - struct commit_list *parents = obj->parents; - for (; parents; parents = parents->next) { - if (has_sha1_file(parents->item->object.sha1)) - continue; - if (fetch(parents->item->object.sha1)) { - /* The server might not have it, and - * we don't mind. - */ - error("Missing tree %s; continuing", - sha1_to_hex(parents->item->object.sha1)); - continue; - } - if (process_commit(parents->item->object.sha1)) - return -1; - } + char type = 'v'; + write(fd_out, &type, 1); + write(fd_out, &local_version, 1); + if (read(fd_in, &remote_version, 1) < 1) { + return error("Couldn't read version from remote end"); } return 0; } @@ -93,35 +44,37 @@ int main(int argc, char **argv) char *commit_id; char *url; int arg = 1; - unsigned char sha1[20]; while (arg < argc && argv[arg][0] == '-') { if (argv[arg][1] == 't') { - tree = 1; + get_tree = 1; } else if (argv[arg][1] == 'c') { - commits = 1; + get_history = 1; + } else if (argv[arg][1] == 'd') { + get_delta = 0; } else if (argv[arg][1] == 'a') { - all = 1; - tree = 1; - commits = 1; + get_all = 1; + get_tree = 1; + get_history = 1; + } else if (argv[arg][1] == 'v') { + get_verbosely = 1; } arg++; } if (argc < arg + 2) { - usage("rpull [-c] [-t] [-a] commit-id url"); + usage("git-rpull [-c] [-t] [-a] [-v] [-d] commit-id url"); return 1; } commit_id = argv[arg]; url = argv[arg + 1]; - if (setup_connection(&fd_in, &fd_out, "rpush", url, arg, argv + 1)) + if (setup_connection(&fd_in, &fd_out, "git-rpush", url, arg, argv + 1)) return 1; - get_sha1_hex(commit_id, sha1); - - if (fetch(sha1)) + if (get_version()) return 1; - if (process_commit(sha1)) + + if (pull(commit_id)) return 1; return 0;