diff options
| -rw-r--r-- | read-cache.c | 13 | ||||
| -rwxr-xr-x | t/t3006-ls-files-long.sh | 39 |
2 files changed, 48 insertions, 4 deletions
diff --git a/read-cache.c b/read-cache.c index f1f789b7b8..0cd13aabb9 100644 --- a/read-cache.c +++ b/read-cache.c @@ -405,10 +405,15 @@ int df_name_compare(const char *name1, int len1, int mode1, int cache_name_compare(const char *name1, int flags1, const char *name2, int flags2) { - int len1 = flags1 & CE_NAMEMASK; - int len2 = flags2 & CE_NAMEMASK; - int len = len1 < len2 ? len1 : len2; - int cmp; + int len1, len2, len, cmp; + + len1 = flags1 & CE_NAMEMASK; + if (CE_NAMEMASK <= len1) + len1 = strlen(name1 + CE_NAMEMASK) + CE_NAMEMASK; + len2 = flags2 & CE_NAMEMASK; + if (CE_NAMEMASK <= len2) + len2 = strlen(name2 + CE_NAMEMASK) + CE_NAMEMASK; + len = len1 < len2 ? len1 : len2; cmp = memcmp(name1, name2, len); if (cmp) diff --git a/t/t3006-ls-files-long.sh b/t/t3006-ls-files-long.sh new file mode 100755 index 0000000000..202ad658b8 --- /dev/null +++ b/t/t3006-ls-files-long.sh @@ -0,0 +1,39 @@ +#!/bin/sh + +test_description='overly long paths' +. ./test-lib.sh + +test_expect_success setup ' + p=filefilefilefilefilefilefilefile && + p=$p$p$p$p$p$p$p$p$p$p$p$p$p$p$p$p && + p=$p$p$p$p$p$p$p$p$p$p$p$p$p$p$p$p && + + path_a=${p}_a && + path_z=${p}_z && + + blob_a=$(echo frotz | git hash-object -w --stdin) && + blob_z=$(echo nitfol | git hash-object -w --stdin) && + + pat="100644 %s 0\t%s\n" +' + +test_expect_success 'overly-long path by itself is not a problem' ' + printf "$pat" "$blob_a" "$path_a" | + git update-index --add --index-info && + echo "$path_a" >expect && + git ls-files >actual && + test_cmp expect actual +' + +test_expect_success 'overly-long path does not replace another by mistake' ' + printf "$pat" "$blob_a" "$path_a" "$blob_z" "$path_z" | + git update-index --add --index-info && + ( + echo "$path_a" + echo "$path_z" + ) >expect && + git ls-files >actual && + test_cmp expect actual +' + +test_done |