*/
#include "cache.h"
#include "strbuf.h"
+#include "quote.h"
/*
* Default to not allowing changes to the list of files. The
* like "git-update-index *" and suddenly having all the object
* files be revision controlled.
*/
-static int allow_add = 0, allow_remove = 0, allow_replace = 0, allow_unmerged = 0, not_new = 0, quiet = 0, info_only = 0;
+static int allow_add;
+static int allow_remove;
+static int allow_replace;
+static int allow_unmerged; /* --refresh needing merge is not error */
+static int not_new; /* --refresh not having working tree files is not error */
+static int quiet; /* --refresh needing update is not error */
+static int info_only;
static int force_remove;
+static int verbose;
/* Three functions to allow overloaded pointer return; see linux/err.h */
static inline void *ERR_PTR(long error)
return (unsigned long)ptr > (unsigned long)-1000L;
}
+static void report(const char *fmt, ...)
+{
+ va_list vp;
+
+ if (!verbose)
+ return;
+
+ va_start(vp, fmt);
+ vprintf(fmt, vp);
+ putchar('\n');
+ va_end(vp);
+}
+
static int add_file_to_cache(const char *path)
{
int size, namelen, option, status;
struct cache_entry *ce;
struct stat st;
- int fd;
- char *target;
status = lstat(path, &st);
if (status < 0 || S_ISDIR(st.st_mode)) {
return error("lstat(\"%s\"): %s", path,
strerror(errno));
}
+
namelen = strlen(path);
size = cache_entry_size(namelen);
ce = xmalloc(size);
memset(ce, 0, size);
memcpy(ce->name, path, namelen);
fill_stat_cache_info(ce, &st);
+
ce->ce_mode = create_ce_mode(st.st_mode);
- ce->ce_flags = htons(namelen);
- switch (st.st_mode & S_IFMT) {
- case S_IFREG:
- fd = open(path, O_RDONLY);
- if (fd < 0)
- return error("open(\"%s\"): %s", path, strerror(errno));
- if (index_fd(ce->sha1, fd, &st, !info_only, NULL) < 0)
- return error("%s: failed to insert into database", path);
- break;
- case S_IFLNK:
- target = xmalloc(st.st_size+1);
- if (readlink(path, target, st.st_size+1) != st.st_size) {
- char *errstr = strerror(errno);
- free(target);
- return error("readlink(\"%s\"): %s", path,
- errstr);
- }
- if (info_only) {
- unsigned char hdr[50];
- int hdrlen;
- write_sha1_file_prepare(target, st.st_size, "blob",
- ce->sha1, hdr, &hdrlen);
- } else if (write_sha1_file(target, st.st_size, "blob", ce->sha1))
- return error("%s: failed to insert into database", path);
- free(target);
- break;
- default:
- return error("%s: unsupported file type", path);
+ if (!trust_executable_bit) {
+ /* If there is an existing entry, pick the mode bits
+ * from it.
+ */
+ int pos = cache_name_pos(path, namelen);
+ if (0 <= pos)
+ ce->ce_mode = active_cache[pos]->ce_mode;
}
+ ce->ce_flags = htons(namelen);
+
+ if (index_path(ce->sha1, path, &st, !info_only))
+ return -1;
option = allow_add ? ADD_CACHE_OK_TO_ADD : 0;
option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0;
if (add_cache_entry(ce, option))
}
}
-static int add_cacheinfo(const char *arg1, const char *arg2, const char *arg3)
+static int add_cacheinfo(unsigned int mode, const unsigned char *sha1,
+ const char *path, int stage)
{
int size, len, option;
- unsigned int mode;
- unsigned char sha1[20];
struct cache_entry *ce;
- if (sscanf(arg1, "%o", &mode) != 1)
- return -1;
- if (get_sha1_hex(arg2, sha1))
- return -1;
- if (!verify_path(arg3))
+ if (!verify_path(path))
return -1;
- len = strlen(arg3);
+ len = strlen(path);
size = cache_entry_size(len);
ce = xmalloc(size);
memset(ce, 0, size);
memcpy(ce->sha1, sha1, 20);
- memcpy(ce->name, arg3, len);
- ce->ce_flags = htons(len);
+ memcpy(ce->name, path, len);
+ ce->ce_flags = create_ce_flags(len, stage);
ce->ce_mode = create_ce_mode(mode);
option = allow_add ? ADD_CACHE_OK_TO_ADD : 0;
option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0;
- return add_cache_entry(ce, option);
+ if (add_cache_entry(ce, option))
+ return error("%s: cannot add to the index - missing --add option?",
+ path);
+ report("add '%s'", path);
+ return 0;
}
-static struct cache_file cache_file;
+static int chmod_path(int flip, const char *path)
+{
+ int pos;
+ struct cache_entry *ce;
+ unsigned int mode;
+ pos = cache_name_pos(path, strlen(path));
+ if (pos < 0)
+ return -1;
+ ce = active_cache[pos];
+ mode = ntohl(ce->ce_mode);
+ if (!S_ISREG(mode))
+ return -1;
+ switch (flip) {
+ case '+':
+ ce->ce_mode |= htonl(0111); break;
+ case '-':
+ ce->ce_mode &= htonl(~0111); break;
+ default:
+ return -1;
+ }
+ active_cache_changed = 1;
+ return 0;
+}
+
+static struct cache_file cache_file;
static void update_one(const char *path, const char *prefix, int prefix_length)
{
if (force_remove) {
if (remove_file_from_cache(p))
die("git-update-index: unable to remove %s", path);
+ report("remove '%s'", path);
return;
}
if (add_file_to_cache(p))
die("Unable to process file %s", path);
+ report("add '%s'", path);
}
+static void read_index_info(int line_termination)
+{
+ struct strbuf buf;
+ strbuf_init(&buf);
+ while (1) {
+ char *ptr, *tab;
+ char *path_name;
+ unsigned char sha1[20];
+ unsigned int mode;
+ int stage;
+
+ /* This reads lines formatted in one of three formats:
+ *
+ * (1) mode SP sha1 TAB path
+ * The first format is what "git-apply --index-info"
+ * reports, and used to reconstruct a partial tree
+ * that is used for phony merge base tree when falling
+ * back on 3-way merge.
+ *
+ * (2) mode SP type SP sha1 TAB path
+ * The second format is to stuff git-ls-tree output
+ * into the index file.
+ *
+ * (3) mode SP sha1 SP stage TAB path
+ * This format is to put higher order stages into the
+ * index file and matches git-ls-files --stage output.
+ */
+ read_line(&buf, stdin, line_termination);
+ if (buf.eof)
+ break;
+
+ mode = strtoul(buf.buf, &ptr, 8);
+ if (ptr == buf.buf || *ptr != ' ')
+ goto bad_line;
+
+ tab = strchr(ptr, '\t');
+ if (!tab || tab - ptr < 41)
+ goto bad_line;
+
+ if (tab[-2] == ' ' && '1' <= tab[-1] && tab[-1] <= '3') {
+ stage = tab[-1] - '0';
+ ptr = tab + 1; /* point at the head of path */
+ tab = tab - 2; /* point at tail of sha1 */
+ }
+ else {
+ stage = 0;
+ ptr = tab + 1; /* point at the head of path */
+ }
+
+ if (get_sha1_hex(tab - 40, sha1) || tab[-41] != ' ')
+ goto bad_line;
+
+ if (line_termination && ptr[0] == '"')
+ path_name = unquote_c_style(ptr, NULL);
+ else
+ path_name = ptr;
+
+ if (!verify_path(path_name)) {
+ fprintf(stderr, "Ignoring path %s\n", path_name);
+ if (path_name != ptr)
+ free(path_name);
+ continue;
+ }
+
+ if (!mode) {
+ /* mode == 0 means there is no such path -- remove */
+ if (remove_file_from_cache(path_name))
+ die("git-update-index: unable to remove %s",
+ ptr);
+ }
+ else {
+ /* mode ' ' sha1 '\t' name
+ * ptr[-1] points at tab,
+ * ptr[-41] is at the beginning of sha1
+ */
+ ptr[-42] = ptr[-1] = 0;
+ if (add_cacheinfo(mode, sha1, path_name, stage))
+ die("git-update-index: unable to update %s",
+ path_name);
+ }
+ if (path_name != ptr)
+ free(path_name);
+ continue;
+
+ bad_line:
+ die("malformed index info %s", buf.buf);
+ }
+}
+
+static const char update_index_usage[] =
+"git-update-index [-q] [--add] [--replace] [--remove] [--unmerged] [--refresh] [--cacheinfo] [--chmod=(+|-)x] [--info-only] [--force-remove] [--stdin] [--index-info] [--ignore-missing] [-z] [--verbose] [--] <file>...";
+
int main(int argc, const char **argv)
{
int i, newfd, entries, has_errors = 0, line_termination = '\n';
const char *prefix = setup_git_directory();
int prefix_length = prefix ? strlen(prefix) : 0;
+ git_config(git_default_config);
+
newfd = hold_index_file_for_update(&cache_file, get_index_file());
if (newfd < 0)
die("unable to create new cachefile");
continue;
}
if (!strcmp(path, "--cacheinfo")) {
+ unsigned char sha1[20];
+ unsigned int mode;
+
if (i+3 >= argc)
die("git-update-index: --cacheinfo <mode> <sha1> <path>");
- if (add_cacheinfo(argv[i+1], argv[i+2], argv[i+3]))
- die("git-update-index: --cacheinfo cannot add %s", argv[i+3]);
+
+ if ((sscanf(argv[i+1], "%o", &mode) != 1) ||
+ get_sha1_hex(argv[i+2], sha1) ||
+ add_cacheinfo(mode, sha1, argv[i+3], 0))
+ die("git-update-index: --cacheinfo"
+ " cannot add %s", argv[i+3]);
i += 3;
continue;
}
+ if (!strcmp(path, "--chmod=-x") ||
+ !strcmp(path, "--chmod=+x")) {
+ if (argc <= i+1)
+ die("git-update-index: %s <path>", path);
+ if (chmod_path(path[8], argv[++i]))
+ die("git-update-index: %s cannot chmod %s", path, argv[i]);
+ continue;
+ }
if (!strcmp(path, "--info-only")) {
info_only = 1;
continue;
read_from_stdin = 1;
break;
}
+ if (!strcmp(path, "--index-info")) {
+ allow_add = allow_replace = allow_remove = 1;
+ read_index_info(line_termination);
+ continue;
+ }
if (!strcmp(path, "--ignore-missing")) {
not_new = 1;
continue;
}
+ if (!strcmp(path, "--verbose")) {
+ verbose = 1;
+ continue;
+ }
+ if (!strcmp(path, "-h") || !strcmp(path, "--help"))
+ usage(update_index_usage);
die("unknown option %s", path);
}
update_one(path, prefix, prefix_length);
struct strbuf buf;
strbuf_init(&buf);
while (1) {
+ char *path_name;
read_line(&buf, stdin, line_termination);
if (buf.eof)
break;
- update_one(buf.buf, prefix, prefix_length);
+ if (line_termination && buf.buf[0] == '"')
+ path_name = unquote_c_style(buf.buf, NULL);
+ else
+ path_name = buf.buf;
+ update_one(path_name, prefix, prefix_length);
+ if (path_name != buf.buf)
+ free(path_name);
}
}
if (active_cache_changed) {