t/t2021-checkout-last: "checkout -" should work after a rebase finishes

diff --git a/rerere.c b/rerere.c
index a6a5cd57bef4aaf204f1bad293c18b5af6f57f53..98e3e294d0dc295290b7b891a834186c0791e43a 100644 (file)
--- a/rerere.c
+++ b/rerere.c
@@ -284,8 +284,10 @@ static int rerere_mem_getline(struct strbuf *sb, struct rerere_io *io_)
        strbuf_release(sb);
        if (!io->input.len)
                return -1;
-       ep = strchrnul(io->input.buf, '\n');
-       if (*ep == '\n')
+       ep = memchr(io->input.buf, '\n', io->input.len);
+       if (!ep)
+               ep = io->input.buf + io->input.len;
+       else if (*ep == '\n')
                ep++;
        len = ep - io->input.buf;
        strbuf_add(sb, io->input.buf, len);
@@ -295,7 +297,7 @@ static int rerere_mem_getline(struct strbuf *sb, struct rerere_io *io_)
 
 static int handle_cache(const char *path, unsigned char *sha1, const char *output)
 {
-       mmfile_t mmfile[3];
+       mmfile_t mmfile[3] = {{NULL}};
        mmbuffer_t result = {NULL, 0};
        struct cache_entry *ce;
        int pos, len, i, hunk_no;
@@ -314,17 +316,16 @@ static int handle_cache(const char *path, unsigned char *sha1, const char *outpu
        for (i = 0; i < 3; i++) {
                enum object_type type;
                unsigned long size;
+               int j;
 
-               mmfile[i].size = 0;
-               mmfile[i].ptr = NULL;
                if (active_nr <= pos)
                        break;
                ce = active_cache[pos++];
-               if (ce_namelen(ce) != len || memcmp(ce->name, path, len)
-                   || ce_stage(ce) != i + 1)
-                       break;
-               mmfile[i].ptr = read_sha1_file(ce->sha1, &type, &size);
-               mmfile[i].size = size;
+               if (ce_namelen(ce) != len || memcmp(ce->name, path, len))
+                       continue;
+               j = ce_stage(ce) - 1;
+               mmfile[j].ptr = read_sha1_file(ce->sha1, &type, &size);
+               mmfile[j].size = size;
        }
        for (i = 0; i < 3; i++) {
                if (!mmfile[i].ptr && !mmfile[i].size)