diff options
Diffstat (limited to 'builtin-update-index.c')
-rw-r--r-- | builtin-update-index.c | 154 |
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)) |