git-svn: fetch tracks initial change with --follow-parent

[git.git] / builtin-apply.c

diff --git a/builtin-apply.c b/builtin-apply.c
index c7d4bdd47451ca0b57c701f98129a019075611e9..630d8fd6521a63320e59a5bd061720d1fc841e7a 100644 (file)
--- a/builtin-apply.c
+++ b/builtin-apply.c
@@ -1186,11 +1186,11 @@ static struct fragment *parse_binary_hunk(char **buf_p,
 
        *status_p = 0;
 
-       if (!strncmp(buffer, "delta ", 6)) {
+       if (!prefixcmp(buffer, "delta ")) {
                patch_method = BINARY_DELTA_DEFLATED;
                origlen = strtoul(buffer + 6, NULL, 10);
        }
-       else if (!strncmp(buffer, "literal ", 8)) {
+       else if (!prefixcmp(buffer, "literal ")) {
                patch_method = BINARY_LITERAL_DEFLATED;
                origlen = strtoul(buffer + 8, NULL, 10);
        }
@@ -1450,28 +1450,39 @@ static void show_stats(struct patch *patch)
        free(qname);
 }
 
-static int read_old_data(struct stat *st, const char *path, void *buf, unsigned long size)
+static int read_old_data(struct stat *st, const char *path, char **buf_p, unsigned long *alloc_p, unsigned long *size_p)
 {
        int fd;
        unsigned long got;
+       unsigned long nsize;
+       char *nbuf;
+       unsigned long size = *size_p;
+       char *buf = *buf_p;
 
        switch (st->st_mode & S_IFMT) {
        case S_IFLNK:
-               return readlink(path, buf, size);
+               return readlink(path, buf, size) != size;
        case S_IFREG:
                fd = open(path, O_RDONLY);
                if (fd < 0)
                        return error("unable to open %s", path);
                got = 0;
                for (;;) {
-                       int ret = xread(fd, (char *) buf + got, size - got);
+                       int ret = xread(fd, buf + got, size - got);
                        if (ret <= 0)
                                break;
                        got += ret;
                }
                close(fd);
-               return got;
-
+               nsize = got;
+               nbuf = buf;
+               if (convert_to_git(path, &nbuf, &nsize)) {
+                       free(buf);
+                       *buf_p = nbuf;
+                       *alloc_p = nsize;
+                       *size_p = nsize;
+               }
+               return got != size;
        default:
                return -1;
        }
@@ -1967,7 +1978,7 @@ static int apply_data(struct patch *patch, struct stat *st, struct cache_entry *
                size = st->st_size;
                alloc = size + 8192;
                buf = xmalloc(alloc);
-               if (read_old_data(st, patch->old_name, buf, alloc) != size)
+               if (read_old_data(st, patch->old_name, &buf, &alloc, &size))
                        return error("read of %s failed", patch->old_name);
        }
 
@@ -2045,7 +2056,7 @@ static int check_patch(struct patch *patch, struct patch *prev_patch)
                        return error("%s: %s", old_name, strerror(errno));
 
                if (!cached)
-                       st_mode = ntohl(create_ce_mode(st.st_mode));
+                       st_mode = ntohl(ce_mode_from_stat(ce, st.st_mode));
 
                if (patch->is_new < 0)
                        patch->is_new = 0;
@@ -2339,12 +2350,22 @@ static void add_index_file(const char *path, unsigned mode, void *buf, unsigned
 static int try_create_file(const char *path, unsigned int mode, const char *buf, unsigned long size)
 {
        int fd;
+       char *nbuf;
+       unsigned long nsize;
 
        if (S_ISLNK(mode))
                /* Although buf:size is counted string, it also is NUL
                 * terminated.
                 */
                return symlink(buf, path);
+       nsize = size;
+       nbuf = (char *) buf;
+       if (convert_to_working_tree(path, &nbuf, &nsize)) {
+               free((char *) buf);
+               buf = nbuf;
+               size = nsize;
+       }
+
        fd = open(path, O_CREAT | O_EXCL | O_WRONLY, (mode & 0100) ? 0777 : 0666);
        if (fd < 0)
                return -1;
@@ -2701,14 +2722,14 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix)
                        read_stdin = 0;
                        continue;
                }
-               if (!strncmp(arg, "--exclude=", 10)) {
+               if (!prefixcmp(arg, "--exclude=")) {
                        struct excludes *x = xmalloc(sizeof(*x));
                        x->path = arg + 10;
                        x->next = excludes;
                        excludes = x;
                        continue;
                }
-               if (!strncmp(arg, "-p", 2)) {
+               if (!prefixcmp(arg, "-p")) {
                        p_value = atoi(arg + 2);
                        p_value_known = 1;
                        continue;
@@ -2767,13 +2788,13 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix)
                        line_termination = 0;
                        continue;
                }
-               if (!strncmp(arg, "-C", 2)) {
+               if (!prefixcmp(arg, "-C")) {
                        p_context = strtoul(arg + 2, &end, 0);
                        if (*end != '\0')
                                die("unrecognized context count '%s'", arg + 2);
                        continue;
                }
-               if (!strncmp(arg, "--whitespace=", 13)) {
+               if (!prefixcmp(arg, "--whitespace=")) {
                        whitespace_option = arg + 13;
                        parse_whitespace_option(arg + 13);
                        continue;