post-checkout hook, tests, and docs

diff --git a/http-push.c b/http-push.c
index 670ff007beb8a5ba3043045a0b31399cd108c310..7c3720f602bb8f50ed54a4f7e7a85c7e08d1c07b 100644 (file)
--- a/http-push.c
+++ b/http-push.c
@@ -9,6 +9,7 @@
 #include "diff.h"
 #include "revision.h"
 #include "exec_cmd.h"
+#include "remote.h"
 
 #include <expat.h>
 
@@ -195,7 +196,7 @@ static size_t fwrite_sha1_file(void *ptr, size_t eltsize, size_t nmemb,
        int posn = 0;
        struct transfer_request *request = (struct transfer_request *)data;
        do {
-               ssize_t retval = write(request->local_fileno,
+               ssize_t retval = xwrite(request->local_fileno,
                                       (char *) ptr + posn, size - posn);
                if (retval < 0)
                        return posn;
@@ -288,7 +289,7 @@ static void start_fetch_loose(struct transfer_request *request)
        prevlocal = open(prevfile, O_RDONLY);
        if (prevlocal != -1) {
                do {
-                       prev_read = read(prevlocal, prev_buf, PREV_BUF_SIZE);
+                       prev_read = xread(prevlocal, prev_buf, PREV_BUF_SIZE);
                        if (prev_read>0) {
                                if (fwrite_sha1_file(prev_buf,
                                                     1,
@@ -312,7 +313,7 @@ static void start_fetch_loose(struct transfer_request *request)
                SHA1_Init(&request->c);
                if (prev_posn>0) {
                        prev_posn = 0;
-                       lseek(request->local_fileno, SEEK_SET, 0);
+                       lseek(request->local_fileno, 0, SEEK_SET);
                        ftruncate(request->local_fileno, 0);
                }
        }
@@ -479,7 +480,7 @@ static void start_put(struct transfer_request *request)
        char *hex = sha1_to_hex(request->obj->sha1);
        struct active_request_slot *slot;
        char *posn;
-       char type[20];
+       enum object_type type;
        char hdr[50];
        void *unpacked;
        unsigned long len;
@@ -487,8 +488,8 @@ static void start_put(struct transfer_request *request)
        ssize_t size;
        z_stream stream;
 
-       unpacked = read_sha1_file(request->obj->sha1, type, &len);
-       hdrlen = sprintf(hdr, "%s %lu", type, len) + 1;
+       unpacked = read_sha1_file(request->obj->sha1, &type, &len);
+       hdrlen = sprintf(hdr, "%s %lu", typename(type), len) + 1;
 
        /* Set it up */
        memset(&stream, 0, sizeof(stream));
@@ -517,7 +518,7 @@ static void start_put(struct transfer_request *request)
        request->buffer.size = stream.total_out;
        request->buffer.posn = 0;
 
-       request->url = xmalloc(strlen(remote->url) + 
+       request->url = xmalloc(strlen(remote->url) +
                               strlen(request->lock->token) + 51);
        strcpy(request->url, remote->url);
        posn = request->url + strlen(remote->url);
@@ -770,11 +771,14 @@ static void finish_request(struct transfer_request *request)
                                request->url, curl_errorstr);
                        remote->can_update_info_refs = 0;
                } else {
+                       off_t pack_size = ftell(request->local_stream);
+
                        fclose(request->local_stream);
                        request->local_stream = NULL;
                        if (!move_temp_to_file(request->tmpfile,
                                               request->filename)) {
                                target = (struct packed_git *)request->userData;
+                               target->pack_size = pack_size;
                                lst = &remote->packs;
                                while (*lst != target)
                                        lst = &((*lst)->next);
@@ -1057,8 +1061,8 @@ static int fetch_indices(void)
                case 'P':
                        i++;
                        if (i + 52 < buffer.posn &&
-                           !strncmp(data + i, " pack-", 6) &&
-                           !strncmp(data + i + 46, ".pack\n", 6)) {
+                           !prefixcmp(data + i, " pack-") &&
+                           !prefixcmp(data + i + 46, ".pack\n")) {
                                get_sha1_hex(data + i + 6, sha1);
                                setup_index(sha1);
                                i += 51;
@@ -1203,11 +1207,11 @@ static void handle_new_lock_ctx(struct xml_ctx *ctx, int tag_closed)
                        lock->owner = xmalloc(strlen(ctx->cdata) + 1);
                        strcpy(lock->owner, ctx->cdata);
                } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TIMEOUT)) {
-                       if (!strncmp(ctx->cdata, "Second-", 7))
+                       if (!prefixcmp(ctx->cdata, "Second-"))
                                lock->timeout =
                                        strtol(ctx->cdata + 7, NULL, 10);
                } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TOKEN)) {
-                       if (!strncmp(ctx->cdata, "opaquelocktoken:", 16)) {
+                       if (!prefixcmp(ctx->cdata, "opaquelocktoken:")) {
                                lock->token = xmalloc(strlen(ctx->cdata) - 15);
                                strcpy(lock->token, ctx->cdata + 16);
                        }
@@ -1268,7 +1272,9 @@ xml_cdata(void *userData, const XML_Char *s, int len)
        struct xml_ctx *ctx = (struct xml_ctx *)userData;
        free(ctx->cdata);
        ctx->cdata = xmalloc(len + 1);
-       strlcpy(ctx->cdata, s, len + 1);
+       /* NB: 's' is not null-terminated, can not use strlcpy here */
+       memcpy(ctx->cdata, s, len);
+       ctx->cdata[len] = '\0';
 }
 
 static struct remote_lock *lock_remote(const char *path, long timeout)
@@ -1292,7 +1298,7 @@ static struct remote_lock *lock_remote(const char *path, long timeout)
        sprintf(url, "%s%s", remote->url, path);
 
        /* Make sure leading directories exist for the remote ref */
-       ep = strchr(url + strlen(remote->url) + 11, '/');
+       ep = strchr(url + strlen(remote->url) + 1, '/');
        while (ep) {
                *ep = 0;
                slot = get_active_slot();
@@ -1470,7 +1476,8 @@ static void process_ls_object(struct remote_ls_ctx *ls)
                return;
        path += 8;
        obj_hex = xmalloc(strlen(path));
-       strlcpy(obj_hex, path, 3);
+       /* NB: path is not null-terminated, can not use strlcpy here */
+       memcpy(obj_hex, path, 2);
        strcpy(obj_hex + 2, path + 3);
        one_remote_object(obj_hex);
        free(obj_hex);
@@ -1744,8 +1751,7 @@ static struct object_list **process_tree(struct tree *tree,
        me.elem = name;
        me.elem_len = strlen(name);
 
-       desc.buf = tree->buffer;
-       desc.size = tree->size;
+       init_tree_desc(&desc, tree->buffer, tree->size);
 
        while (tree_entry(&desc, &entry)) {
                if (S_ISDIR(entry.mode))
@@ -1864,7 +1870,7 @@ static int update_remote(unsigned char *sha1, struct remote_lock *lock)
 static struct ref *local_refs, **local_tail;
 static struct ref *remote_refs, **remote_tail;
 
-static int one_local_ref(const char *refname, const unsigned char *sha1)
+static int one_local_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
 {
        struct ref *ref;
        int len = strlen(refname) + 1;
@@ -1913,7 +1919,7 @@ static void one_remote_ref(char *refname)
 static void get_local_heads(void)
 {
        local_tail = &local_refs;
-       for_each_ref(one_local_ref);
+       for_each_ref(one_local_ref, NULL);
 }
 
 static void get_dav_remote_heads(void)
@@ -2165,9 +2171,10 @@ static void fetch_symref(const char *path, char **symref, unsigned char *sha1)
                return;
 
        /* If it's a symref, set the refname; otherwise try for a sha1 */
-       if (!strncmp((char *)buffer.buffer, "ref: ", 5)) {
+       if (!prefixcmp((char *)buffer.buffer, "ref: ")) {
                *symref = xmalloc(buffer.posn - 5);
-               strlcpy(*symref, (char *)buffer.buffer + 5, buffer.posn - 5);
+               memcpy(*symref, (char *)buffer.buffer + 5, buffer.posn - 6);
+               (*symref)[buffer.posn - 6] = '\0';
        } else {
                get_sha1_hex(buffer.buffer, sha1);
        }
@@ -2296,7 +2303,6 @@ int main(int argc, char **argv)
        struct ref *ref;
 
        setup_git_directory();
-       setup_ident();
 
        remote = xcalloc(sizeof(*remote), 1);