diff options
| -rw-r--r-- | Documentation/git-name-rev.txt | 2 | ||||
| -rw-r--r-- | Documentation/gitattributes.txt | 40 | ||||
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | builtin-apply.c | 5 | ||||
| -rw-r--r-- | builtin-pack-objects.c | 15 | ||||
| -rwxr-xr-x | t/t4104-apply-boundary.sh | 15 | ||||
| -rwxr-xr-x | t/t5306-pack-nobase.sh | 80 |
7 files changed, 146 insertions, 13 deletions
diff --git a/Documentation/git-name-rev.txt b/Documentation/git-name-rev.txt index abd2237e51..7ca8a7b48c 100644 --- a/Documentation/git-name-rev.txt +++ b/Documentation/git-name-rev.txt @@ -59,7 +59,7 @@ Enter 'git-name-rev': ------------ % git name-rev 33db5f4d9027a10e477ccf054b2c1ab94f74c85a -33db5f4d9027a10e477ccf054b2c1ab94f74c85a tags/v0.99^0~940 +33db5f4d9027a10e477ccf054b2c1ab94f74c85a tags/v0.99~940 ------------ Now you are wiser, because you know that it happened 940 revisions before v0.99. diff --git a/Documentation/gitattributes.txt b/Documentation/gitattributes.txt index 5495d695c6..1f23d27a61 100644 --- a/Documentation/gitattributes.txt +++ b/Documentation/gitattributes.txt @@ -105,9 +105,8 @@ Set:: Unset:: - Unsetting the `crlf` attribute on a path is meant to - mark the path as a "binary" file. The path never goes - through line endings conversion upon checkin/checkout. + Unsetting the `crlf` attribute on a path tells git not to + attempt any end-of-line conversion upon checkin or checkout. Unspecified:: @@ -486,6 +485,41 @@ in the file. E.g. the string `$Format:%H$` will be replaced by the commit hash. +USING ATTRIBUTE MACROS +---------------------- + +You do not want any end-of-line conversions applied to, nor textual diffs +produced for, any binary file you track. You would need to specify e.g. + +------------ +*.jpg -crlf -diff +------------ + +but that may become cumbersome, when you have many attributes. Using +attribute macros, you can specify groups of attributes set or unset at +the same time. The system knows a built-in attribute macro, `binary`: + +------------ +*.jpg binary +------------ + +which is equivalent to the above. Note that the attribute macros can only +be "Set" (see the above example that sets "binary" macro as if it were an +ordinary attribute --- setting it in turn unsets "crlf" and "diff"). + + +DEFINING ATTRIBUTE MACROS +------------------------- + +Custom attribute macros can be defined only in the `.gitattributes` file +at the toplevel (i.e. not in any subdirectory). The built-in attribute +macro "binary" is equivalent to: + +------------ +[attr]binary -diff -crlf +------------ + + EXAMPLE ------- @@ -1379,7 +1379,7 @@ endif { $(RM) "$$execdir/git-add$X" && \ ln git-add$X "$$execdir/git-add$X" 2>/dev/null || \ cp git-add$X "$$execdir/git-add$X"; } && \ - { $(foreach p,$(filter-out git-add,$(BUILT_INS)), $(RM) "$$execdir/$p" && \ + { $(foreach p,$(filter-out git-add$X,$(BUILT_INS)), $(RM) "$$execdir/$p" && \ ln "$$execdir/git-add$X" "$$execdir/$p" 2>/dev/null || \ ln -s "git-add$X" "$$execdir/$p" 2>/dev/null || \ cp "$$execdir/git-add$X" "$$execdir/$p" || exit;) } && \ diff --git a/builtin-apply.c b/builtin-apply.c index 2216a0bf7c..47261e10fb 100644 --- a/builtin-apply.c +++ b/builtin-apply.c @@ -1996,6 +1996,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag, /* * A hunk to change lines at the beginning would begin with * @@ -1,L +N,M @@ + * but we need to be careful. -U0 that inserts before the second + * line also has this pattern. * * And a hunk to add to an empty file would begin with * @@ -0,0 +N,M @@ @@ -2003,7 +2005,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag, * In other words, a hunk that is (frag->oldpos <= 1) with or * without leading context must match at the beginning. */ - match_beginning = frag->oldpos <= 1; + match_beginning = (!frag->oldpos || + (frag->oldpos == 1 && !unidiff_zero)); /* * A hunk without trailing lines must match at the end. diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c index d394c494a5..ef3befe57b 100644 --- a/builtin-pack-objects.c +++ b/builtin-pack-objects.c @@ -1095,9 +1095,12 @@ static void check_object(struct object_entry *entry) } entry->type = sha1_object_info(entry->idx.sha1, &entry->size); - if (entry->type < 0) - die("unable to get type of object %s", - sha1_to_hex(entry->idx.sha1)); + /* + * The error condition is checked in prepare_pack(). This is + * to permit a missing preferred base object to be ignored + * as a preferred base. Doing so can result in a larger + * pack file, but the transfer will still take place. + */ } static int pack_offset_sort(const void *_a, const void *_b) @@ -1721,8 +1724,12 @@ static void prepare_pack(int window, int depth) if (entry->no_try_delta) continue; - if (!entry->preferred_base) + if (!entry->preferred_base) { nr_deltas++; + if (entry->type < 0) + die("unable to get type of object %s", + sha1_to_hex(entry->idx.sha1)); + } delta_list[n++] = entry; } diff --git a/t/t4104-apply-boundary.sh b/t/t4104-apply-boundary.sh index e7e2913de7..0e3ce3611d 100755 --- a/t/t4104-apply-boundary.sh +++ b/t/t4104-apply-boundary.sh @@ -27,6 +27,15 @@ test_expect_success setup ' git diff victim >add-a-patch.with && git diff --unified=0 >add-a-patch.without && + : insert at line two + for i in b a '"$L"' y + do + echo $i + done >victim && + cat victim >insert-a-expect && + git diff victim >insert-a-patch.with && + git diff --unified=0 >insert-a-patch.without && + : modify at the head for i in a '"$L"' y do @@ -55,7 +64,7 @@ test_expect_success setup ' git diff --unified=0 >add-z-patch.without && : modify at the tail - for i in a '"$L"' y + for i in b '"$L"' z do echo $i done >victim && @@ -81,7 +90,7 @@ do with) u= ;; without) u='--unidiff-zero ' ;; esac - for kind in add-a add-z mod-a mod-z del-a del-z + for kind in add-a add-z insert-a mod-a mod-z del-a del-z do test_expect_success "apply $kind-patch $with context" ' cat original >victim && @@ -95,7 +104,7 @@ do done done -for kind in add-a add-z mod-a mod-z del-a del-z +for kind in add-a add-z insert-a mod-a mod-z del-a del-z do rm -f $kind-ng.without sed -e "s/^diff --git /diff /" \ diff --git a/t/t5306-pack-nobase.sh b/t/t5306-pack-nobase.sh new file mode 100755 index 0000000000..f4931c0c2a --- /dev/null +++ b/t/t5306-pack-nobase.sh @@ -0,0 +1,80 @@ +#!/bin/sh +# +# Copyright (c) 2008 Google Inc. +# + +test_description='git-pack-object with missing base + +' +. ./test-lib.sh + +# Create A-B chain +# +test_expect_success \ + 'setup base' \ + 'for a in a b c d e f g h i; do echo $a >>text; done && + echo side >side && + git update-index --add text side && + A=$(echo A | git commit-tree $(git write-tree)) && + + echo m >>text && + git update-index text && + B=$(echo B | git commit-tree $(git write-tree) -p $A) && + git update-ref HEAD $B + ' + +# Create repository with C whose parent is B. +# Repository contains C, C^{tree}, C:text, B, B^{tree}. +# Repository is missing B:text (best delta base for C:text). +# Repository is missing A (parent of B). +# Repository is missing A:side. +# +test_expect_success \ + 'setup patch_clone' \ + 'base_objects=$(pwd)/.git/objects && + (mkdir patch_clone && + cd patch_clone && + git init && + echo "$base_objects" >.git/objects/info/alternates && + echo q >>text && + git read-tree $B && + git update-index text && + git update-ref HEAD $(echo C | git commit-tree $(git write-tree) -p $B) && + rm .git/objects/info/alternates && + + git --git-dir=../.git cat-file commit $B | + git hash-object -t commit -w --stdin && + + git --git-dir=../.git cat-file tree "$B^{tree}" | + git hash-object -t tree -w --stdin + ) && + C=$(git --git-dir=patch_clone/.git rev-parse HEAD) + ' + +# Clone patch_clone indirectly by cloning base and fetching. +# +test_expect_success \ + 'indirectly clone patch_clone' \ + '(mkdir user_clone && + cd user_clone && + git init && + git pull ../.git && + test $(git rev-parse HEAD) = $B && + + git pull ../patch_clone/.git && + test $(git rev-parse HEAD) = $C + ) + ' + +# Cloning the patch_clone directly should fail. +# +test_expect_success \ + 'clone of patch_clone is incomplete' \ + '(mkdir user_direct && + cd user_direct && + git init && + test_must_fail git fetch ../patch_clone/.git + ) + ' + +test_done |