Add push --set-upstream
[gitweb.git] / read-cache.c
index 91f1d03c0957c54121156c6c0b685a91bb452c3e..d214abab163e30c0328eac0bd9a65749c271d173 100644 (file)
@@ -69,13 +69,8 @@ void fill_stat_cache_info(struct cache_entry *ce, struct stat *st)
 {
        ce->ce_ctime.sec = (unsigned int)st->st_ctime;
        ce->ce_mtime.sec = (unsigned int)st->st_mtime;
-#ifdef USE_NSEC
-       ce->ce_ctime.nsec = (unsigned int)st->st_ctim.tv_nsec;
-       ce->ce_mtime.nsec = (unsigned int)st->st_mtim.tv_nsec;
-#else
-       ce->ce_ctime.nsec = 0;
-       ce->ce_mtime.nsec = 0;
-#endif
+       ce->ce_ctime.nsec = ST_CTIME_NSEC(*st);
+       ce->ce_mtime.nsec = ST_MTIME_NSEC(*st);
        ce->ce_dev = st->st_dev;
        ce->ce_ino = st->st_ino;
        ce->ce_uid = st->st_uid;
@@ -209,9 +204,9 @@ static int ce_match_stat_basic(struct cache_entry *ce, struct stat *st)
                changed |= CTIME_CHANGED;
 
 #ifdef USE_NSEC
-       if (ce->ce_mtime.nsec != (unsigned int)st->st_mtim.tv_nsec)
+       if (ce->ce_mtime.nsec != ST_MTIME_NSEC(*st))
                changed |= MTIME_CHANGED;
-       if (trust_ctime && ce->ce_ctime.nsec != (unsigned int)st->st_ctim.tv_nsec)
+       if (trust_ctime && ce->ce_ctime.nsec != ST_CTIME_NSEC(*st))
                changed |= CTIME_CHANGED;
 #endif
 
@@ -264,12 +259,17 @@ int ie_match_stat(const struct index_state *istate,
 {
        unsigned int changed;
        int ignore_valid = options & CE_MATCH_IGNORE_VALID;
+       int ignore_skip_worktree = options & CE_MATCH_IGNORE_SKIP_WORKTREE;
        int assume_racy_is_modified = options & CE_MATCH_RACY_IS_DIRTY;
 
        /*
         * If it's marked as always valid in the index, it's
         * valid whatever the checked-out copy says.
+        *
+        * skip-worktree has the same effect with higher precedence
         */
+       if (!ignore_skip_worktree && ce_skip_worktree(ce))
+               return 0;
        if (!ignore_valid && (ce->ce_flags & CE_VALID))
                return 0;
 
@@ -569,7 +569,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
        int size, namelen, was_same;
        mode_t st_mode = st->st_mode;
        struct cache_entry *ce, *alias;
-       unsigned ce_option = CE_MATCH_IGNORE_VALID|CE_MATCH_RACY_IS_DIRTY;
+       unsigned ce_option = CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE|CE_MATCH_RACY_IS_DIRTY;
        int verbose = flags & (ADD_CACHE_VERBOSE | ADD_CACHE_PRETEND);
        int pretend = flags & ADD_CACHE_PRETEND;
        int intent_only = flags & ADD_CACHE_INTENT;
@@ -643,7 +643,7 @@ int add_file_to_index(struct index_state *istate, const char *path, int flags)
 {
        struct stat st;
        if (lstat(path, &st))
-               die("%s: unable to stat (%s)", path, strerror(errno));
+               die_errno("unable to stat '%s'", path);
        return add_to_index(istate, path, &st, flags);
 }
 
@@ -1005,14 +1005,20 @@ static struct cache_entry *refresh_cache_ent(struct index_state *istate,
        struct cache_entry *updated;
        int changed, size;
        int ignore_valid = options & CE_MATCH_IGNORE_VALID;
+       int ignore_skip_worktree = options & CE_MATCH_IGNORE_SKIP_WORKTREE;
 
        if (ce_uptodate(ce))
                return ce;
 
        /*
-        * CE_VALID means the user promised us that the change to
-        * the work tree does not matter and told us not to worry.
+        * CE_VALID or CE_SKIP_WORKTREE means the user promised us
+        * that the change to the work tree does not matter and told
+        * us not to worry.
         */
+       if (!ignore_skip_worktree && ce_skip_worktree(ce)) {
+               ce_mark_uptodate(ce);
+               return ce;
+       }
        if (!ignore_valid && (ce->ce_flags & CE_VALID)) {
                ce_mark_uptodate(ce);
                return ce;
@@ -1070,7 +1076,18 @@ static struct cache_entry *refresh_cache_ent(struct index_state *istate,
        return updated;
 }
 
-int refresh_index(struct index_state *istate, unsigned int flags, const char **pathspec, char *seen)
+static void show_file(const char * fmt, const char * name, int in_porcelain,
+                     int * first, char *header_msg)
+{
+       if (in_porcelain && *first && header_msg) {
+               printf("%s\n", header_msg);
+               *first=0;
+       }
+       printf(fmt, name);
+}
+
+int refresh_index(struct index_state *istate, unsigned int flags, const char **pathspec,
+                 char *seen, char *header_msg)
 {
        int i;
        int has_errors = 0;
@@ -1079,11 +1096,14 @@ int refresh_index(struct index_state *istate, unsigned int flags, const char **p
        int quiet = (flags & REFRESH_QUIET) != 0;
        int not_new = (flags & REFRESH_IGNORE_MISSING) != 0;
        int ignore_submodules = (flags & REFRESH_IGNORE_SUBMODULES) != 0;
+       int first = 1;
+       int in_porcelain = (flags & REFRESH_IN_PORCELAIN);
        unsigned int options = really ? CE_MATCH_IGNORE_VALID : 0;
-       const char *needs_update_message;
+       const char *needs_update_fmt;
+       const char *needs_merge_fmt;
 
-       needs_update_message = ((flags & REFRESH_SAY_CHANGED)
-                               ? "locally modified" : "needs update");
+       needs_update_fmt = (in_porcelain ? "M\t%s\n" : "%s: needs update\n");
+       needs_merge_fmt = (in_porcelain ? "U\t%s\n" : "%s: needs merge\n");
        for (i = 0; i < istate->cache_nr; i++) {
                struct cache_entry *ce, *new;
                int cache_errno = 0;
@@ -1099,7 +1119,7 @@ int refresh_index(struct index_state *istate, unsigned int flags, const char **p
                        i--;
                        if (allow_unmerged)
                                continue;
-                       printf("%s: needs merge\n", ce->name);
+                       show_file(needs_merge_fmt, ce->name, in_porcelain, &first, header_msg);
                        has_errors = 1;
                        continue;
                }
@@ -1122,7 +1142,7 @@ int refresh_index(struct index_state *istate, unsigned int flags, const char **p
                        }
                        if (quiet)
                                continue;
-                       printf("%s: %s\n", ce->name, needs_update_message);
+                       show_file(needs_update_fmt, ce->name, in_porcelain, &first, header_msg);
                        has_errors = 1;
                        continue;
                }
@@ -1183,13 +1203,8 @@ static void convert_from_disk(struct ondisk_cache_entry *ondisk, struct cache_en
 
        ce->ce_ctime.sec = ntohl(ondisk->ctime.sec);
        ce->ce_mtime.sec = ntohl(ondisk->mtime.sec);
-#ifdef USE_NSEC
        ce->ce_ctime.nsec = ntohl(ondisk->ctime.nsec);
        ce->ce_mtime.nsec = ntohl(ondisk->mtime.nsec);
-#else
-       ce->ce_ctime.nsec = 0;
-       ce->ce_mtime.nsec = 0;
-#endif
        ce->ce_dev   = ntohl(ondisk->dev);
        ce->ce_ino   = ntohl(ondisk->ino);
        ce->ce_mode  = ntohl(ondisk->mode);
@@ -1261,11 +1276,11 @@ int read_index_from(struct index_state *istate, const char *path)
        if (fd < 0) {
                if (errno == ENOENT)
                        return 0;
-               die("index file open failed (%s)", strerror(errno));
+               die_errno("index file open failed");
        }
 
        if (fstat(fd, &st))
-               die("cannot stat the open index (%s)", strerror(errno));
+               die_errno("cannot stat the open index");
 
        errno = EINVAL;
        mmap_size = xsize_t(st.st_size);
@@ -1275,7 +1290,7 @@ int read_index_from(struct index_state *istate, const char *path)
        mmap = xmmap(NULL, mmap_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
        close(fd);
        if (mmap == MAP_FAILED)
-               die("unable to map index file");
+               die_errno("unable to map index file");
 
        hdr = mmap;
        if (verify_hdr(hdr, mmap_size) < 0)
@@ -1309,11 +1324,7 @@ int read_index_from(struct index_state *istate, const char *path)
                dst_offset += ce_size(ce);
        }
        istate->timestamp.sec = st.st_mtime;
-#ifdef USE_NSEC
-       istate->timestamp.nsec = (unsigned int)st.st_mtim.tv_nsec;
-#else
-       istate->timestamp.nsec = 0;
-#endif
+       istate->timestamp.nsec = ST_MTIME_NSEC(st);
 
        while (src_offset <= mmap_size - 20 - 8) {
                /* After an array of active_nr index entries,
@@ -1322,7 +1333,7 @@ int read_index_from(struct index_state *istate, const char *path)
                 * extension name (4-byte) and section length
                 * in 4-byte network byte order.
                 */
-               unsigned long extsize;
+               uint32_t extsize;
                memcpy(&extsize, (char *)mmap + src_offset + 4, 4);
                extsize = ntohl(extsize);
                if (read_index_extension(istate,
@@ -1500,13 +1511,8 @@ static int ce_write_entry(git_SHA_CTX *c, int fd, struct cache_entry *ce)
 
        ondisk->ctime.sec = htonl(ce->ce_ctime.sec);
        ondisk->mtime.sec = htonl(ce->ce_mtime.sec);
-#ifdef USE_NSEC
        ondisk->ctime.nsec = htonl(ce->ce_ctime.nsec);
        ondisk->mtime.nsec = htonl(ce->ce_mtime.nsec);
-#else
-       ondisk->ctime.nsec = 0;
-       ondisk->mtime.nsec = 0;
-#endif
        ondisk->dev  = htonl(ce->ce_dev);
        ondisk->ino  = htonl(ce->ce_ino);
        ondisk->mode = htonl(ce->ce_mode);
@@ -1582,10 +1588,8 @@ int write_index(struct index_state *istate, int newfd)
 
        if (ce_flush(&c, newfd) || fstat(newfd, &st))
                return -1;
-       istate->timestamp.sec = (unsigned int)st.st_ctime;
-#ifdef USE_NSEC
-       istate->timestamp.nsec = (unsigned int)st.st_ctim.tv_nsec;
-#endif
+       istate->timestamp.sec = (unsigned int)st.st_mtime;
+       istate->timestamp.nsec = ST_MTIME_NSEC(st);
        return 0;
 }
 
@@ -1613,9 +1617,8 @@ int read_index_unmerged(struct index_state *istate)
                len = strlen(ce->name);
                size = cache_entry_size(len);
                new_ce = xcalloc(1, size);
-               hashcpy(new_ce->sha1, ce->sha1);
                memcpy(new_ce->name, ce->name, len);
-               new_ce->ce_flags = create_ce_flags(len, 0);
+               new_ce->ce_flags = create_ce_flags(len, 0) | CE_CONFLICTED;
                new_ce->ce_mode = ce->ce_mode;
                if (add_index_entry(istate, new_ce, 0))
                        return error("%s: cannot drop to stage #0",