зеркало из https://github.com/microsoft/git.git
[PATCH] ls-tree: handle trailing slashes in the pathspec properly.
This fixes the problem with ls-tree which failed to show "drivers/char" directory when the user asked for "drivers/char/" from the command line. At the same time, if "drivers/char" were a non directory, "drivers/char/" would not show it. This is consistent with the way diffcore-pathspec has been recently fixed. This adds back the diffcore-pathspec test,dropped when my earlier diffcore-pathspec fix was rejected. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Junio C Hamano
Linus Torvalds
Родитель
8c7fa2478e
Коммит
66204988fe
96
ls-tree.c
96
ls-tree.c
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@ -54,54 +54,58 @@ static int prepare_children(struct tree_entry_list *elem)
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return 0;
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}
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static struct tree_entry_list *find_entry_0(struct tree_entry_list *elem,
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const char *path,
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const char *path_end)
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static struct tree_entry_list *find_entry(const char *path)
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{
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const char *ep;
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const char *next, *slash;
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int len;
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struct tree_entry_list *elem = &root_entry;
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while (path < path_end) {
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if (prepare_children(elem))
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return NULL;
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/* In elem->tree->entries, find the one that has name
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* that matches what is between path and ep.
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*/
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elem = elem->item.tree->entries;
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ep = strchr(path, '/');
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if (!ep || path_end <= ep)
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ep = path_end;
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len = ep - path;
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while (elem) {
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if ((strlen(elem->name) == len) &&
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!strncmp(elem->name, path, len))
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break;
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elem = elem->next;
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}
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if (path_end <= ep || !elem)
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return elem;
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while (*ep == '/' && ep < path_end)
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ep++;
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path = ep;
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}
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return NULL;
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}
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static struct tree_entry_list *find_entry(const char *path,
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const char *path_end)
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{
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/* Find tree element, descending from root, that
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* corresponds to the named path, lazily expanding
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* the tree if possible.
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*/
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if (path == path_end) {
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/* Special. This is the root level */
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return &root_entry;
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while (path) {
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/* The fact we still have path means that the caller
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* wants us to make sure that elem at this point is a
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* directory, and possibly descend into it. Even what
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* is left is just trailing slashes, we loop back to
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* here, and this call to prepare_children() will
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* catch elem not being a tree. Nice.
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*/
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if (prepare_children(elem))
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return NULL;
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slash = strchr(path, '/');
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if (!slash) {
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len = strlen(path);
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next = 0;
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}
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else {
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next = slash + 1;
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len = slash - path;
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}
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if (len) {
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/* (len == 0) if the original path was "drivers/char/"
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* and we have run already two rounds, having elem
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* pointing at the drivers/char directory.
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*/
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elem = elem->item.tree->entries;
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while (elem) {
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if ((strlen(elem->name) == len) &&
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!strncmp(elem->name, path, len)) {
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/* found */
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break;
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}
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elem = elem->next;
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}
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if (!elem)
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return NULL;
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}
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path = next;
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}
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return find_entry_0(&root_entry, path, path_end);
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return elem;
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}
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static void show_entry_name(struct tree_entry_list *e)
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@ -180,10 +184,10 @@ static int show_entry(struct tree_entry_list *e, int level)
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return err;
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}
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static int list_one(const char *path, const char *path_end)
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static int list_one(const char *path)
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{
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int err = 0;
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struct tree_entry_list *e = find_entry(path, path_end);
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struct tree_entry_list *e = find_entry(path);
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if (!e) {
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/* traditionally ls-tree does not complain about
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* missing path. We may change this later to match
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@ -199,12 +203,8 @@ static int list(char **path)
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{
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int i;
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int err = 0;
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for (i = 0; path[i]; i++) {
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int len = strlen(path[i]);
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while (0 <= len && path[i][len] == '/')
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len--;
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err = err | list_one(path[i], path[i] + len);
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}
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for (i = 0; path[i]; i++)
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err = err | list_one(path[i]);
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return err;
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}
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@ -14,7 +14,7 @@ This test runs git-ls-tree with the following in a tree.
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path2/baz/b - a file in a directory in a directory
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The new path restriction code should do the right thing for path2 and
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path2/baz
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path2/baz. Also path0/ should snow nothing.
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'
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. ./test-lib.sh
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@ -63,7 +63,7 @@ EOF
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test_output'
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test_expect_success \
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'ls-tree filtered' \
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'ls-tree filtered with path' \
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'git-ls-tree $tree path >current &&
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cat >expected <<\EOF &&
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EOF
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@ -71,7 +71,7 @@ EOF
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test_expect_success \
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'ls-tree filtered' \
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'ls-tree filtered with path1 path0' \
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'git-ls-tree $tree path1 path0 >current &&
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cat >expected <<\EOF &&
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120000 blob X path1
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@ -80,7 +80,14 @@ EOF
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test_output'
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test_expect_success \
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'ls-tree filtered' \
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'ls-tree filtered with path0/' \
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'git-ls-tree $tree path0/ >current &&
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cat >expected <<\EOF &&
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EOF
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test_output'
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test_expect_success \
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'ls-tree filtered with path2' \
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'git-ls-tree $tree path2 >current &&
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cat >expected <<\EOF &&
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040000 tree X path2
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@ -91,7 +98,7 @@ EOF
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test_output'
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test_expect_success \
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'ls-tree filtered' \
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'ls-tree filtered with path2/baz' \
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'git-ls-tree $tree path2/baz >current &&
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cat >expected <<\EOF &&
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040000 tree X path2/baz
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@ -99,4 +106,26 @@ test_expect_success \
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EOF
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test_output'
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test_expect_success \
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'ls-tree filtered with path2' \
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'git-ls-tree $tree path2 >current &&
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cat >expected <<\EOF &&
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040000 tree X path2
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040000 tree X path2/baz
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120000 blob X path2/bazbo
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100644 blob X path2/foo
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EOF
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test_output'
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test_expect_success \
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'ls-tree filtered with path2/' \
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'git-ls-tree $tree path2/ >current &&
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cat >expected <<\EOF &&
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040000 tree X path2
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040000 tree X path2/baz
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120000 blob X path2/bazbo
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100644 blob X path2/foo
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EOF
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test_output'
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test_done
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@ -0,0 +1,65 @@
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#!/bin/sh
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#
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# Copyright (c) 2005 Junio C Hamano
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#
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test_description='Pathspec restrictions
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Prepare:
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file0
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path1/file1
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'
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. ./test-lib.sh
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. ../diff-lib.sh ;# test-lib chdir's into trash
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test_expect_success \
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setup \
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'echo frotz >file0 &&
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mkdir path1 &&
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echo rezrov >path1/file1 &&
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git-update-cache --add file0 path1/file1 &&
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tree=`git-write-tree` &&
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echo "$tree" &&
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echo nitfol >file0 &&
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echo yomin >path1/file1 &&
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git-update-cache file0 path1/file1'
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cat >expected <<\EOF
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EOF
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test_expect_success \
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'limit to path should show nothing' \
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'git-diff-cache --cached $tree path >current &&
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compare_diff_raw current expected'
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cat >expected <<\EOF
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:100644 100644 766498d93a4b06057a8e49d23f4068f1170ff38f 0a41e115ab61be0328a19b29f18cdcb49338d516 M path1/file1
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EOF
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test_expect_success \
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'limit to path1 should show path1/file1' \
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'git-diff-cache --cached $tree path1 >current &&
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compare_diff_raw current expected'
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cat >expected <<\EOF
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:100644 100644 766498d93a4b06057a8e49d23f4068f1170ff38f 0a41e115ab61be0328a19b29f18cdcb49338d516 M path1/file1
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EOF
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test_expect_success \
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'limit to path1/ should show path1/file1' \
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'git-diff-cache --cached $tree path1/ >current &&
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compare_diff_raw current expected'
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cat >expected <<\EOF
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:100644 100644 766498d93a4b06057a8e49d23f4068f1170ff38f 0a41e115ab61be0328a19b29f18cdcb49338d516 M file0
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EOF
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test_expect_success \
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'limit to file0 should show file0' \
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'git-diff-cache --cached $tree file0 >current &&
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compare_diff_raw current expected'
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cat >expected <<\EOF
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EOF
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test_expect_success \
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'limit to file0/ should emit nothing.' \
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'git-diff-cache --cached $tree file0/ >current &&
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compare_diff_raw current expected'
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test_done
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