return !hashcmp(oid->hash, EMPTY_TREE_SHA1_BIN);
}
-
-int git_mkstemp(char *path, size_t n, const char *template);
-
/* set default permissions by passing mode arguments to open(2) */
int git_mkstemps_mode(char *pattern, int suffix_len, int mode);
int git_mkstemp_mode(char *pattern, int mode);
int die_on_error);
const char *real_path(const char *path);
const char *real_path_if_valid(const char *path);
-char *real_pathdup(const char *path);
+char *real_pathdup(const char *path, int die_on_error);
const char *absolute_path(const char *path);
char *absolute_pathdup(const char *path);
const char *remove_leading_path(const char *in, const char *prefix);
extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */
extern char *oid_to_hex(const struct object_id *oid); /* same static buffer as sha1_to_hex */
-extern int interpret_branch_name(const char *str, int len, struct strbuf *);
+/*
+ * This reads short-hand syntax that not only evaluates to a commit
+ * object name, but also can act as if the end user spelled the name
+ * of the branch from the command line.
+ *
+ * - "@{-N}" finds the name of the Nth previous branch we were on, and
+ * places the name of the branch in the given buf and returns the
+ * number of characters parsed if successful.
+ *
+ * - "<branch>@{upstream}" finds the name of the other ref that
+ * <branch> is configured to merge with (missing <branch> defaults
+ * to the current branch), and places the name of the branch in the
+ * given buf and returns the number of characters parsed if
+ * successful.
+ *
+ * If the input is not of the accepted format, it returns a negative
+ * number to signal an error.
+ *
+ * If the input was ok but there are not N branch switches in the
+ * reflog, it returns 0.
+ *
+ * If "allowed" is non-zero, it is a treated as a bitfield of allowable
+ * expansions: local branches ("refs/heads/"), remote branches
+ * ("refs/remotes/"), or "HEAD". If no "allowed" bits are set, any expansion is
+ * allowed, even ones to refs outside of those namespaces.
+ */
+#define INTERPRET_BRANCH_LOCAL (1<<0)
+#define INTERPRET_BRANCH_REMOTE (1<<1)
+#define INTERPRET_BRANCH_HEAD (1<<2)
+extern int interpret_branch_name(const char *str, int len, struct strbuf *,
+ unsigned allowed);
extern int get_oid_mb(const char *str, struct object_id *oid);
extern int validate_headref(const char *ref);
extern void pack_report(void);
+ /*
+ * Create a temporary file rooted in the object database directory.
+ */
+ extern int odb_mkstemp(char *template, size_t limit, const char *pattern);
+
+ /*
+ * Generate the filename to be used for a pack file with checksum "sha1" and
+ * extension "ext". The result is written into the strbuf "buf", overwriting
+ * any existing contents. A pointer to buf->buf is returned as a convenience.
+ *
+ * Example: odb_pack_name(out, sha1, "idx") => ".git/objects/pack/pack-1234..idx"
+ */
+ extern char *odb_pack_name(struct strbuf *buf, const unsigned char *sha1, const char *ext);
+
+ /*
+ * Create a pack .keep file named "name" (which should generally be the output
+ * of odb_pack_name). Returns a file descriptor opened for writing, or -1 on
+ * error.
+ */
+ extern int odb_pack_keep(const char *name);
+
/*
* mmap the index file for the specified packfile (if it is not
* already mmapped). Return 0 on success.
*
* (i.e., what gets handed to a config_fn_t). The caller provides the section;
* we return -1 if it does not match, 0 otherwise. The subsection and key
- * out-parameters are filled by the function (and subsection is NULL if it is
+ * out-parameters are filled by the function (and *subsection is NULL if it is
* missing).
+ *
+ * If the subsection pointer-to-pointer passed in is NULL, returns 0 only if
+ * there is no subsection at all.
*/
extern int parse_config_key(const char *var,
const char *section,
return;
}
git_work_tree_initialized = 1;
- work_tree = real_pathdup(new_work_tree);
+ work_tree = real_pathdup(new_work_tree, 1);
}
const char *get_git_work_tree(void)
return xmkstemp_mode(template, mode);
}
- int odb_pack_keep(char *name, size_t namesz, const unsigned char *sha1)
+ int odb_pack_keep(const char *name)
{
int fd;
- snprintf(name, namesz, "%s/pack/pack-%s.keep",
- get_object_directory(), sha1_to_hex(sha1));
fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
if (0 <= fd)
return fd;
/* slow path */
- safe_create_leading_directories(name);
+ safe_create_leading_directories_const(name);
return open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
}
return buf->buf;
}
- /*
- * Return the name of the pack or index file with the specified sha1
- * in its filename. *base and *name are scratch space that must be
- * provided by the caller. which should be "pack" or "idx".
- */
- static char *sha1_get_pack_name(const unsigned char *sha1,
- struct strbuf *buf,
- const char *which)
+ char *odb_pack_name(struct strbuf *buf,
+ const unsigned char *sha1,
+ const char *ext)
{
strbuf_reset(buf);
strbuf_addf(buf, "%s/pack/pack-%s.%s", get_object_directory(),
- sha1_to_hex(sha1), which);
+ sha1_to_hex(sha1), ext);
return buf->buf;
}
char *sha1_pack_name(const unsigned char *sha1)
{
static struct strbuf buf = STRBUF_INIT;
- return sha1_get_pack_name(sha1, &buf, "pack");
+ return odb_pack_name(&buf, sha1, "pack");
}
char *sha1_pack_index_name(const unsigned char *sha1)
{
static struct strbuf buf = STRBUF_INIT;
- return sha1_get_pack_name(sha1, &buf, "idx");
+ return odb_pack_name(&buf, sha1, "idx");
}
struct alternate_object_database *alt_odb_list;
while (delta_stack_nr) {
void *delta_data;
void *base = data;
+ void *external_base = NULL;
unsigned long delta_size, base_size = size;
int i;
p->pack_name);
mark_bad_packed_object(p, base_sha1);
base = read_object(base_sha1, &type, &base_size);
+ external_base = base;
}
}
"at offset %"PRIuMAX" from %s",
(uintmax_t)curpos, p->pack_name);
data = NULL;
+ free(external_base);
continue;
}
error("failed to apply delta");
free(delta_data);
+ free(external_base);
}
*final_type = type;
projects / thirdparty / git.git / commitdiff
