summaryrefslogtreecommitdiff
path: root/builtin-update-index.c
diff options
context:
space:
mode:
Diffstat (limited to 'builtin-update-index.c')
-rw-r--r--builtin-update-index.c96
1 files changed, 64 insertions, 32 deletions
diff --git a/builtin-update-index.c b/builtin-update-index.c
index a6b7f2d636..3ab214d24e 100644
--- a/builtin-update-index.c
+++ b/builtin-update-index.c
@@ -9,6 +9,7 @@
#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
@@ -24,8 +25,9 @@ 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, ...)
@@ -41,19 +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;
@@ -176,29 +174,29 @@ 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
* what to do about the pathname!
@@ -209,7 +207,13 @@ static int process_path(const char *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,
@@ -277,7 +281,12 @@ 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;
}
@@ -389,7 +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];
@@ -432,7 +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.
@@ -648,11 +668,19 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
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")) {
@@ -703,6 +731,10 @@ 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);