diff options
| -rw-r--r-- | combine-diff.c | 38 | ||||
| -rwxr-xr-x | t/t4027-diff-submodule.sh | 39 |
2 files changed, 65 insertions, 12 deletions
diff --git a/combine-diff.c b/combine-diff.c index bccc018ab2..0b071b6e25 100644 --- a/combine-diff.c +++ b/combine-diff.c @@ -6,6 +6,7 @@ #include "quote.h" #include "xdiff-interface.h" #include "log-tree.h" +#include "refs.h" static struct combine_diff_path *intersect_paths(struct combine_diff_path *curr, int n, int num_parent) { @@ -90,18 +91,24 @@ struct sline { unsigned long *p_lno; }; -static char *grab_blob(const unsigned char *sha1, unsigned long *size) +static char *grab_blob(const unsigned char *sha1, unsigned int mode, unsigned long *size) { char *blob; enum object_type type; - if (is_null_sha1(sha1)) { + + if (S_ISGITLINK(mode)) { + blob = xmalloc(100); + *size = snprintf(blob, 100, + "Subproject commit %s\n", sha1_to_hex(sha1)); + } else if (is_null_sha1(sha1)) { /* deleted blob */ *size = 0; return xcalloc(1, 1); + } else { + blob = read_sha1_file(sha1, &type, size); + if (type != OBJ_BLOB) + die("object '%s' is not a blob!", sha1_to_hex(sha1)); } - blob = read_sha1_file(sha1, &type, size); - if (type != OBJ_BLOB) - die("object '%s' is not a blob!", sha1_to_hex(sha1)); return blob; } @@ -195,7 +202,8 @@ static void consume_line(void *state_, char *line, unsigned long len) } } -static void combine_diff(const unsigned char *parent, mmfile_t *result_file, +static void combine_diff(const unsigned char *parent, unsigned int mode, + mmfile_t *result_file, struct sline *sline, unsigned int cnt, int n, int num_parent) { @@ -211,7 +219,7 @@ static void combine_diff(const unsigned char *parent, mmfile_t *result_file, if (!cnt) return; /* result deleted */ - parent_file.ptr = grab_blob(parent, &sz); + parent_file.ptr = grab_blob(parent, mode, &sz); parent_file.size = sz; memset(&xpp, 0, sizeof(xpp)); xpp.flags = XDF_NEED_MINIMAL; @@ -693,7 +701,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent, /* Read the result of merge first */ if (!working_tree_file) - result = grab_blob(elem->sha1, &result_size); + result = grab_blob(elem->sha1, elem->mode, &result_size); else { /* Used by diff-tree to read from the working tree */ struct stat st; @@ -713,9 +721,13 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent, result_size = buf.len; result = strbuf_detach(&buf, NULL); elem->mode = canon_mode(st.st_mode); - } - else if (0 <= (fd = open(elem->path, O_RDONLY)) && - !fstat(fd, &st)) { + } else if (S_ISDIR(st.st_mode)) { + unsigned char sha1[20]; + if (resolve_gitlink_ref(elem->path, "HEAD", sha1) < 0) + result = grab_blob(elem->sha1, elem->mode, &result_size); + else + result = grab_blob(sha1, elem->mode, &result_size); + } else if (0 <= (fd = open(elem->path, O_RDONLY))) { size_t len = xsize_t(st.st_size); ssize_t done; int is_file, i; @@ -807,7 +819,9 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent, } } if (i <= j) - combine_diff(elem->parent[i].sha1, &result_file, sline, + combine_diff(elem->parent[i].sha1, + elem->parent[i].mode, + &result_file, sline, cnt, i, num_parent); if (elem->parent[i].mode != elem->mode) mode_differs = 1; diff --git a/t/t4027-diff-submodule.sh b/t/t4027-diff-submodule.sh index 1c2edebb09..5cf8924b21 100755 --- a/t/t4027-diff-submodule.sh +++ b/t/t4027-diff-submodule.sh @@ -57,4 +57,43 @@ test_expect_success 'git diff (empty submodule dir)' ' test_cmp empty actual.empty ' +test_expect_success 'conflicted submodule setup' ' + + # 39 efs + c=fffffffffffffffffffffffffffffffffffffff + ( + echo "000000 $_z40 0 sub" + echo "160000 1$c 1 sub" + echo "160000 2$c 2 sub" + echo "160000 3$c 3 sub" + ) | git update-index --index-info && + echo >expect.nosub '\''diff --cc sub +index 2ffffff,3ffffff..0000000 +--- a/sub ++++ b/sub +@@@ -1,1 -1,1 +1,1 @@@ +- Subproject commit 2fffffffffffffffffffffffffffffffffffffff + -Subproject commit 3fffffffffffffffffffffffffffffffffffffff +++Subproject commit 0000000000000000000000000000000000000000'\'' && + + hh=$(git rev-parse HEAD) && + sed -e "s/$_z40/$hh/" expect.nosub >expect.withsub + +' + +test_expect_success 'combined (empty submodule)' ' + rm -fr sub && mkdir sub && + git diff >actual && + test_cmp expect.nosub actual +' + +test_expect_success 'combined (with submodule)' ' + rm -fr sub && + git clone --no-checkout . sub && + git diff >actual && + test_cmp expect.withsub actual +' + + + test_done |