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Diffstat (limited to 'builtin-update-index.c')
-rw-r--r--builtin-update-index.c154
1 files changed, 95 insertions, 59 deletions
diff --git a/builtin-update-index.c b/builtin-update-index.c
index 38eb53ccba..3ab214d24e 100644
--- a/builtin-update-index.c
+++ b/builtin-update-index.c
@@ -9,12 +9,13 @@
#include "tree-walk.h"
#include "builtin.h"
#include "refs.h"
+#include "resolve-undo.h"
/*
* Default to not allowing changes to the list of files. The
* tool doesn't actually care, but this makes it harder to add
* files to the revision control by mistake by doing something
- * like "git-update-index *" and suddenly having all the object
+ * like "git update-index *" and suddenly having all the object
* files be revision controlled.
*/
static int allow_add;
@@ -24,9 +25,11 @@ static int info_only;
static int force_remove;
static int verbose;
static int mark_valid_only;
-#define MARK_VALID 1
-#define UNMARK_VALID 2
+static int mark_skip_worktree_only;
+#define MARK_FLAG 1
+#define UNMARK_FLAG 2
+__attribute__((format (printf, 1, 2)))
static void report(const char *fmt, ...)
{
va_list vp;
@@ -40,19 +43,15 @@ static void report(const char *fmt, ...)
va_end(vp);
}
-static int mark_valid(const char *path)
+static int mark_ce_flags(const char *path, int flag, int mark)
{
int namelen = strlen(path);
int pos = cache_name_pos(path, namelen);
if (0 <= pos) {
- switch (mark_valid_only) {
- case MARK_VALID:
- active_cache[pos]->ce_flags |= CE_VALID;
- break;
- case UNMARK_VALID:
- active_cache[pos]->ce_flags &= ~CE_VALID;
- break;
- }
+ if (mark)
+ active_cache[pos]->ce_flags |= flag;
+ else
+ active_cache[pos]->ce_flags &= ~flag;
cache_tree_invalidate_path(active_cache_tree, path);
active_cache_changed = 1;
return 0;
@@ -175,24 +174,28 @@ static int process_directory(const char *path, int len, struct stat *st)
return error("%s: is a directory - add files inside instead", path);
}
-/*
- * Process a regular file
- */
-static int process_file(const char *path, int len, struct stat *st)
-{
- int pos = cache_name_pos(path, len);
- struct cache_entry *ce = pos < 0 ? NULL : active_cache[pos];
-
- if (ce && S_ISGITLINK(ce->ce_mode))
- return error("%s is already a gitlink, not replacing", path);
-
- return add_one_path(ce, path, len, st);
-}
-
static int process_path(const char *path)
{
- int len;
+ int pos, len;
struct stat st;
+ struct cache_entry *ce;
+
+ len = strlen(path);
+ if (has_symlink_leading_path(path, len))
+ return error("'%s' is beyond a symbolic link", path);
+
+ pos = cache_name_pos(path, len);
+ ce = pos < 0 ? NULL : active_cache[pos];
+ if (ce && ce_skip_worktree(ce)) {
+ /*
+ * working directory version is assumed "good"
+ * so updating it does not make sense.
+ * On the other hand, removing it from index should work
+ */
+ if (allow_remove && remove_file_from_cache(path))
+ return error("%s: cannot remove from the index", path);
+ return 0;
+ }
/*
* First things first: get the stat information, to decide
@@ -201,11 +204,16 @@ static int process_path(const char *path)
if (lstat(path, &st) < 0)
return process_lstat_error(path, errno);
- len = strlen(path);
if (S_ISDIR(st.st_mode))
return process_directory(path, len, &st);
- return process_file(path, len, &st);
+ /*
+ * Process a regular file
+ */
+ if (ce && S_ISGITLINK(ce->ce_mode))
+ return error("%s is already a gitlink, not replacing", path);
+
+ return add_one_path(ce, path, len, &st);
}
static int add_cacheinfo(unsigned int mode, const unsigned char *sha1,
@@ -215,7 +223,7 @@ static int add_cacheinfo(unsigned int mode, const unsigned char *sha1,
struct cache_entry *ce;
if (!verify_path(path))
- return -1;
+ return error("Invalid path '%s'", path);
len = strlen(path);
size = cache_entry_size(len);
@@ -262,7 +270,7 @@ static void chmod_path(int flip, const char *path)
report("chmod %cx '%s'", flip, path);
return;
fail:
- die("git-update-index: cannot chmod %cx '%s'", flip, path);
+ die("git update-index: cannot chmod %cx '%s'", flip, path);
}
static void update_one(const char *path, const char *prefix, int prefix_length)
@@ -273,14 +281,19 @@ static void update_one(const char *path, const char *prefix, int prefix_length)
goto free_return;
}
if (mark_valid_only) {
- if (mark_valid(p))
+ if (mark_ce_flags(p, CE_VALID, mark_valid_only == MARK_FLAG))
+ die("Unable to mark file %s", path);
+ goto free_return;
+ }
+ if (mark_skip_worktree_only) {
+ if (mark_ce_flags(p, CE_SKIP_WORKTREE, mark_skip_worktree_only == MARK_FLAG))
die("Unable to mark file %s", path);
goto free_return;
}
if (force_remove) {
if (remove_file_from_cache(p))
- die("git-update-index: unable to remove %s", path);
+ die("git update-index: unable to remove %s", path);
report("remove '%s'", path);
goto free_return;
}
@@ -289,16 +302,14 @@ static void update_one(const char *path, const char *prefix, int prefix_length)
report("add '%s'", path);
free_return:
if (p < path || p > path + strlen(path))
- free((char*)p);
+ free((char *)p);
}
static void read_index_info(int line_termination)
{
- struct strbuf buf;
- struct strbuf uq;
+ struct strbuf buf = STRBUF_INIT;
+ struct strbuf uq = STRBUF_INIT;
- strbuf_init(&buf, 0);
- strbuf_init(&uq, 0);
while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
char *ptr, *tab;
char *path_name;
@@ -310,18 +321,18 @@ static void read_index_info(int line_termination)
/* This reads lines formatted in one of three formats:
*
* (1) mode SP sha1 TAB path
- * The first format is what "git-apply --index-info"
+ * 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
+ * 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.
+ * index file and matches "git ls-files --stage" output.
*/
errno = 0;
ul = strtoul(buf.buf, &ptr, 8);
@@ -351,7 +362,7 @@ static void read_index_info(int line_termination)
if (line_termination && path_name[0] == '"') {
strbuf_reset(&uq);
if (unquote_c_style(&uq, path_name, NULL)) {
- die("git-update-index: bad quoting of path name");
+ die("git update-index: bad quoting of path name");
}
path_name = uq.buf;
}
@@ -364,7 +375,7 @@ static void read_index_info(int line_termination)
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",
+ die("git update-index: unable to remove %s",
ptr);
}
else {
@@ -374,7 +385,7 @@ static void read_index_info(int line_termination)
*/
ptr[-42] = ptr[-1] = 0;
if (add_cacheinfo(mode, sha1, path_name, stage))
- die("git-update-index: unable to update %s",
+ die("git update-index: unable to update %s",
path_name);
}
continue;
@@ -387,7 +398,7 @@ static void read_index_info(int line_termination)
}
static const char update_index_usage[] =
-"git update-index [-q] [--add] [--replace] [--remove] [--unmerged] [--refresh] [--really-refresh] [--cacheinfo] [--chmod=(+|-)x] [--assume-unchanged] [--info-only] [--force-remove] [--stdin] [--index-info] [--unresolve] [--again | -g] [--ignore-missing] [-z] [--verbose] [--] <file>...";
+"git update-index [-q] [--add] [--replace] [--remove] [--unmerged] [--refresh] [--really-refresh] [--cacheinfo] [--chmod=(+|-)x] [--assume-unchanged] [--skip-worktree|--no-skip-worktree] [--info-only] [--force-remove] [--stdin] [--index-info] [--unresolve] [--again | -g] [--ignore-missing] [-z] [--verbose] [--] <file>...";
static unsigned char head_sha1[20];
static unsigned char merge_head_sha1[20];
@@ -430,7 +441,18 @@ static int unresolve_one(const char *path)
/* See if there is such entry in the index. */
pos = cache_name_pos(path, namelen);
- if (pos < 0) {
+ if (0 <= pos) {
+ /* already merged */
+ pos = unmerge_cache_entry_at(pos);
+ if (pos < active_nr) {
+ struct cache_entry *ce = active_cache[pos];
+ if (ce_stage(ce) &&
+ ce_namelen(ce) == namelen &&
+ !memcmp(ce->name, path, namelen))
+ return 0;
+ }
+ /* no resolve-undo information; fall back */
+ } else {
/* If there isn't, either it is unmerged, or
* resolved as "removed" by mistake. We do not
* want to do anything in the former case.
@@ -485,7 +507,7 @@ static int unresolve_one(const char *path)
static void read_head_pointers(void)
{
if (read_ref("HEAD", head_sha1))
- die("No HEAD -- no initial commit yet?\n");
+ die("No HEAD -- no initial commit yet?");
if (read_ref("MERGE_HEAD", merge_head_sha1)) {
fprintf(stderr, "Not in the middle of a merge.\n");
exit(0);
@@ -508,7 +530,7 @@ static int do_unresolve(int ac, const char **av,
const char *p = prefix_path(prefix, prefix_length, arg);
err |= unresolve_one(p);
if (p < arg || p > arg + strlen(arg))
- free((char*)p);
+ free((char *)p);
}
return err;
}
@@ -614,10 +636,12 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
continue;
}
if (!strcmp(path, "--refresh")) {
+ setup_work_tree();
has_errors |= refresh_cache(refresh_flags);
continue;
}
if (!strcmp(path, "--really-refresh")) {
+ setup_work_tree();
has_errors |= refresh_cache(REFRESH_REALLY | refresh_flags);
continue;
}
@@ -626,12 +650,12 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
unsigned int mode;
if (i+3 >= argc)
- die("git-update-index: --cacheinfo <mode> <sha1> <path>");
+ die("git update-index: --cacheinfo <mode> <sha1> <path>");
if (strtoul_ui(argv[i+1], 8, &mode) ||
get_sha1_hex(argv[i+2], sha1) ||
add_cacheinfo(mode, sha1, argv[i+3], 0))
- die("git-update-index: --cacheinfo"
+ die("git update-index: --cacheinfo"
" cannot add %s", argv[i+3]);
i += 3;
continue;
@@ -639,16 +663,24 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
if (!strcmp(path, "--chmod=-x") ||
!strcmp(path, "--chmod=+x")) {
if (argc <= i+1)
- die("git-update-index: %s <path>", path);
+ die("git update-index: %s <path>", path);
set_executable_bit = path[8];
continue;
}
if (!strcmp(path, "--assume-unchanged")) {
- mark_valid_only = MARK_VALID;
+ mark_valid_only = MARK_FLAG;
continue;
}
if (!strcmp(path, "--no-assume-unchanged")) {
- mark_valid_only = UNMARK_VALID;
+ mark_valid_only = UNMARK_FLAG;
+ continue;
+ }
+ if (!strcmp(path, "--no-skip-worktree")) {
+ mark_skip_worktree_only = UNMARK_FLAG;
+ continue;
+ }
+ if (!strcmp(path, "--skip-worktree")) {
+ mark_skip_worktree_only = MARK_FLAG;
continue;
}
if (!strcmp(path, "--info-only")) {
@@ -684,6 +716,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
goto finish;
}
if (!strcmp(path, "--again") || !strcmp(path, "-g")) {
+ setup_work_tree();
has_errors = do_reupdate(argc - i, argv + i,
prefix, prefix_length);
if (has_errors)
@@ -698,22 +731,26 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
verbose = 1;
continue;
}
+ if (!strcmp(path, "--clear-resolve-undo")) {
+ resolve_undo_clear();
+ continue;
+ }
if (!strcmp(path, "-h") || !strcmp(path, "--help"))
usage(update_index_usage);
die("unknown option %s", path);
}
+ setup_work_tree();
p = prefix_path(prefix, prefix_length, path);
update_one(p, NULL, 0);
if (set_executable_bit)
chmod_path(set_executable_bit, p);
if (p < path || p > path + strlen(path))
- free((char*)p);
+ free((char *)p);
}
if (read_from_stdin) {
- struct strbuf buf, nbuf;
+ struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;
- strbuf_init(&buf, 0);
- strbuf_init(&nbuf, 0);
+ setup_work_tree();
while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
const char *p;
if (line_termination && buf.buf[0] == '"') {
@@ -738,8 +775,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
if (newfd < 0) {
if (refresh_flags & REFRESH_QUIET)
exit(128);
- die("unable to create '%s.lock': %s",
- get_index_file(), strerror(lock_error));
+ unable_to_lock_index_die(get_index_file(), lock_error);
}
if (write_cache(newfd, active_cache, active_nr) ||
commit_locked_index(lock_file))