commit, merge: initialize static strbuf

[git.git] / builtin-apply.c

diff --git a/builtin-apply.c b/builtin-apply.c
index c0f867daed351d4b32f871941e14773a44508eaf..2216a0bf7cd53adc31346f66a3b9786a1d688bad 100644 (file)
--- a/builtin-apply.c
+++ b/builtin-apply.c
@@ -12,7 +12,7 @@
 #include "blob.h"
 #include "delta.h"
 #include "builtin.h"
-#include "path-list.h"
+#include "string-list.h"
 
 /*
  *  --check turns on checking that the working tree matches the
@@ -46,7 +46,7 @@ static const char *fake_ancestor;
 static int line_termination = '\n';
 static unsigned long p_context = ULONG_MAX;
 static const char apply_usage[] =
-"git-apply [--stat] [--numstat] [--summary] [--check] [--index] [--cached] [--apply] [--no-add] [--index-info] [--allow-binary-replacement] [--reverse] [--reject] [--verbose] [-z] [-pNUM] [-CNUM] [--whitespace=<nowarn|warn|fix|error|error-all>] <patch>...";
+"git apply [--stat] [--numstat] [--summary] [--check] [--index] [--cached] [--apply] [--no-add] [--index-info] [--allow-binary-replacement] [--reverse] [--reject] [--verbose] [-z] [-pNUM] [-CNUM] [--whitespace=<nowarn|warn|fix|error|error-all>] <patch>...";
 
 static enum ws_error_action {
        nowarn_ws_error,
@@ -58,6 +58,8 @@ static int whitespace_error;
 static int squelch_whitespace_errors = 5;
 static int applied_after_fixing_ws;
 static const char *patch_input_file;
+static const char *root;
+static int root_len;
 
 static void parse_whitespace_option(const char *option)
 {
@@ -192,7 +194,7 @@ struct image {
  * the case where more than one patches touch the same file.
  */
 
-static struct path_list fn_table;
+static struct string_list fn_table;
 
 static uint32_t hash_line(const char *cp, size_t len)
 {
@@ -340,6 +342,8 @@ static char *find_name(const char *line, char *def, int p_value, int terminate)
                                 */
                                strbuf_remove(&name, 0, cp - name.buf);
                                free(def);
+                               if (root)
+                                       strbuf_insert(&name, 0, root, root_len);
                                return strbuf_detach(&name, NULL);
                        }
                }
@@ -378,6 +382,14 @@ static char *find_name(const char *line, char *def, int p_value, int terminate)
                free(def);
        }
 
+       if (root) {
+               char *ret = xmalloc(root_len + len + 1);
+               strcpy(ret, root);
+               memcpy(ret + root_len, start, len);
+               ret[root_len + len] = '\0';
+               return ret;
+       }
+
        return xmemdupz(start, len);
 }
 
@@ -2238,12 +2250,12 @@ static int read_file_or_gitlink(struct cache_entry *ce, struct strbuf *buf)
 
 static struct patch *in_fn_table(const char *name)
 {
-       struct path_list_item *item;
+       struct string_list_item *item;
 
        if (name == NULL)
                return NULL;
 
-       item = path_list_lookup(name, &fn_table);
+       item = string_list_lookup(name, &fn_table);
        if (item != NULL)
                return (struct patch *)item->util;
 
@@ -2252,7 +2264,7 @@ static struct patch *in_fn_table(const char *name)
 
 static void add_to_fn_table(struct patch *patch)
 {
-       struct path_list_item *item;
+       struct string_list_item *item;
 
        /*
         * Always add new_name unless patch is a deletion
@@ -2260,7 +2272,7 @@ static void add_to_fn_table(struct patch *patch)
         * file creations and copies
         */
        if (patch->new_name != NULL) {
-               item = path_list_insert(patch->new_name, &fn_table);
+               item = string_list_insert(patch->new_name, &fn_table);
                item->util = patch;
        }
 
@@ -2269,7 +2281,7 @@ static void add_to_fn_table(struct patch *patch)
         * later chunks shouldn't patch old names
         */
        if ((patch->new_name == NULL) || (patch->is_rename)) {
-               item = path_list_insert(patch->old_name, &fn_table);
+               item = string_list_insert(patch->old_name, &fn_table);
                item->util = (struct patch *) -1;
        }
 }
@@ -2284,7 +2296,8 @@ static int apply_data(struct patch *patch, struct stat *st, struct cache_entry *
 
        strbuf_init(&buf, 0);
 
-       if ((tpatch = in_fn_table(patch->old_name)) != NULL) {
+       if (!(patch->is_copy || patch->is_rename) &&
+           ((tpatch = in_fn_table(patch->old_name)) != NULL)) {
                if (tpatch == (struct patch *) -1) {
                        return error("patch %s has been renamed/deleted",
                                patch->old_name);
@@ -2363,7 +2376,7 @@ static int verify_index_match(struct cache_entry *ce, struct stat *st)
 static int check_preimage(struct patch *patch, struct cache_entry **ce, struct stat *st)
 {
        const char *old_name = patch->old_name;
-       struct patch *tpatch;
+       struct patch *tpatch = NULL;
        int stat_ret = 0;
        unsigned st_mode = 0;
 
@@ -2377,7 +2390,9 @@ static int check_preimage(struct patch *patch, struct cache_entry **ce, struct s
                return 0;
 
        assert(patch->is_new <= 0);
-       if ((tpatch = in_fn_table(old_name)) != NULL) {
+
+       if (!(patch->is_copy || patch->is_rename) &&
+           (tpatch = in_fn_table(old_name)) != NULL) {
                if (tpatch == (struct patch *) -1) {
                        return error("%s: has been deleted/renamed", old_name);
                }
@@ -2387,6 +2402,7 @@ static int check_preimage(struct patch *patch, struct cache_entry **ce, struct s
                if (stat_ret && errno != ENOENT)
                        return error("%s: %s", old_name, strerror(errno));
        }
+
        if (check_index && !tpatch) {
                int pos = cache_name_pos(old_name, strlen(old_name));
                if (pos < 0) {
@@ -3035,7 +3051,7 @@ static int apply_patch(int fd, const char *filename, int options)
        int skipped_patch = 0;
 
        /* FIXME - memory leak when using multiple patch files as inputs */
-       memset(&fn_table, 0, sizeof(struct path_list));
+       memset(&fn_table, 0, sizeof(struct string_list));
        strbuf_init(&buf, 0);
        patch_input_file = filename;
        read_patch_file(&buf, fd);
@@ -3240,6 +3256,18 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix)
                        options |= RECOUNT;
                        continue;
                }
+               if (!prefixcmp(arg, "--directory=")) {
+                       arg += strlen("--directory=");
+                       root_len = strlen(arg);
+                       if (root_len && arg[root_len - 1] != '/') {
+                               char *new_root;
+                               root = new_root = xmalloc(root_len + 2);
+                               strcpy(new_root, arg);
+                               strcpy(new_root + root_len++, "/");
+                       } else
+                               root = arg;
+                       continue;
+               }
                if (0 < prefix_length)
                        arg = prefix_filename(prefix, prefix_length, arg);