Use sigaction and SA_RESTART in read-tree.c; add option in Makefile.

diff --git a/commit.c b/commit.c
index 97205bfb2ceaf77c2b90552327c9a4a1de83a39d..512b5d74d71dba46831192b740680243913166ba 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -212,7 +212,8 @@ int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size)
        if (memcmp(bufptr, "tree ", 5))
                return error("bogus commit object %s", sha1_to_hex(item->object.sha1));
        if (get_sha1_hex(bufptr + 5, parent) < 0)
-               return error("bad tree pointer in commit %s\n", sha1_to_hex(item->object.sha1));
+               return error("bad tree pointer in commit %s",
+                            sha1_to_hex(item->object.sha1));
        item->tree = lookup_tree(parent);
        if (item->tree)
                n_refs++;
@@ -438,13 +439,13 @@ static int add_merge_info(enum cmit_fmt fmt, char *buf, const struct commit *com
 
        while (parent) {
                struct commit *p = parent->item;
+               const char *hex = abbrev
+                       ? find_unique_abbrev(p->object.sha1, abbrev)
+                       : sha1_to_hex(p->object.sha1);
+               char *dots = (abbrev && strlen(hex) != 40) ? "..." : "";
                parent = parent->next;
 
-               offset += sprintf(buf + offset,
-                                 abbrev ? " %s..." : " %s",
-                                 abbrev
-                                 ? find_unique_abbrev(p->object.sha1, abbrev)
-                                 : sha1_to_hex(p->object.sha1));
+               offset += sprintf(buf + offset, " %s%s", hex, dots);
        }
        buf[offset++] = '\n';
        return offset;