diff options
Diffstat (limited to 'receive-pack.c')
| -rw-r--r-- | receive-pack.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/receive-pack.c b/receive-pack.c index 93929b5371..ea2dbd4e33 100644 --- a/receive-pack.c +++ b/receive-pack.c @@ -2,16 +2,17 @@ #include "refs.h" #include "pkt-line.h" #include "run-command.h" -#include <sys/wait.h> +#include "commit.h" +#include "object.h" static const char receive_pack_usage[] = "git-receive-pack <git-dir>"; static const char *unpacker[] = { "unpack-objects", NULL }; -static int report_status = 0; +static int report_status; static char capabilities[] = "report-status"; -static int capabilities_sent = 0; +static int capabilities_sent; static int show_ref(const char *path, const unsigned char *sha1) { @@ -40,7 +41,7 @@ struct command { char ref_name[FLEX_ARRAY]; /* more */ }; -static struct command *commands = NULL; +static struct command *commands; static int is_all_zeroes(const char *hex) { @@ -128,6 +129,21 @@ static int update(struct command *cmd) return error("unpack should have generated %s, " "but I can't find it!", new_hex); } + if (deny_non_fast_forwards && !is_null_sha1(old_sha1)) { + struct commit *old_commit, *new_commit; + struct commit_list *bases, *ent; + + old_commit = (struct commit *)parse_object(old_sha1); + new_commit = (struct commit *)parse_object(new_sha1); + bases = get_merge_bases(old_commit, new_commit, 1); + for (ent = bases; ent; ent = ent->next) + if (!hashcmp(old_sha1, ent->item->object.sha1)) + break; + free_commit_list(bases); + if (!ent) + return error("denying non-fast forward;" + " you should pull first"); + } safe_create_leading_directories(lock_name); newfd = open(lock_name, O_CREAT | O_EXCL | O_WRONLY, 0666); @@ -247,8 +263,8 @@ static void read_head_info(void) report_status = 1; } cmd = xmalloc(sizeof(struct command) + len - 80); - memcpy(cmd->old_sha1, old_sha1, 20); - memcpy(cmd->new_sha1, new_sha1, 20); + hashcpy(cmd->old_sha1, old_sha1); + hashcpy(cmd->new_sha1, new_sha1); memcpy(cmd->ref_name, line + 82, len - 81); cmd->error_string = "n/a (unpacker error)"; cmd->next = NULL; |