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e8001d4c27
This lets Emacs deal with arbitrary local symlinks without mishandling their contents (Bug#28156). For example, (progn (shell-command "ln -fs '~' 'x'") (rename-file "x" "/tmp/x")) now consistently creates a symbolic link from '/tmp/x' to '~'. Formerly, it did that only if the working directory was on the same filesystem as /tmp; otherwise, it expanded the '~' to the user's home directory. * lisp/dired.el (dired-get-filename): Use files--name-absolute-system-p instead of rolling our own code. * lisp/files.el (files--name-absolute-system-p): New function. (file-truename, file-chase-links): Use it to avoid mishandling symlink contents that begin with ~. (copy-directory, move-file-to-trash): Use concat rather than expand-file-name, to avoid mishandling symlink contents that begin with ~. * src/fileio.c (Fmake_symbolic_link): Do not expand leading "~" in the target unless interactive. Strip leading "/:" if interactive. (emacs_readlinkat): Do not prepend "/:" to the link target if it starts with "/" and contains ":" before NUL. * test/src/fileio-tests.el (try-link): Rename from try-char, and accept a string instead of a char. All uses changed. (fileio-tests--symlink-failure): Also test leading ~, and "/:", to test the new behavior. |
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Copyright (C) 2008-2017 Free Software Foundation, Inc. See the end of the file for license conditions. This directory contains files intended to test various aspects of Emacs's functionality. Please help add tests! See the file file-organization.org for the details of the directory structure and file-naming conventions. Emacs uses ERT, Emacs Lisp Regression Testing, for testing. See (info "(ert)") or https://www.gnu.org/software/emacs/manual/html_node/ert/ for more information on writing and running tests. The Makefile in this directory supports the following targets: * make check Run all tests as defined in the directory. Expensive tests are suppressed. The result of the tests for <filename>.el is stored in <filename>.log. * make check-maybe Like "make check", but run only the tests for files which have unresolved prerequisites. * make check-expensive Like "make check", but run also the tests marked as expensive. * make <filename> or make <filename>.log Run all tests declared in <filename>.el. This includes expensive tests. In the former case the output is shown on the terminal, in the latter case the output is written to <filename>.log. ERT offers selectors, which make it possible to filter out which test cases shall run. The make variable $(SELECTOR) gives you a simple mean to use your own selectors. The ERT manual describes how selectors are constructed, see (info "(ert)Test Selectors") or https://www.gnu.org/software/emacs/manual/html_node/ert/Test-Selectors.html You could use predefined selectors of the Makefile. "make <filename> SELECTOR='$(SELECTOR_DEFAULT)'" runs all tests for <filename>.el except the tests tagged as expensive. If your test file contains the tests "test-foo", "test2-foo" and "test-foo-remote", and you want to run only the former two tests, you could use a selector regexp: "make <filename> SELECTOR='\"foo$$\"'". (Also, see etc/compilation.txt for compilation mode font lock tests.) This file is part of GNU Emacs. GNU Emacs is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. GNU Emacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.