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2012-10-29longest_ancestor_length(): require prefix list entries to be normalizedLibravatar Michael Haggerty1-1/+44
Move the responsibility for normalizing prefixes from longest_ancestor_length() to its callers. Use slightly different normalizations at the two callers: In setup_git_directory_gently_1(), use the old normalization, which ignores paths that are not usable. In the next commit we will change this caller to also resolve symlinks in the paths from GIT_CEILING_DIRECTORIES as part of the normalization. In "test-path-utils longest_ancestor_length", use the old normalization, but die() if any paths are unusable. Also change t0060 to only pass normalized paths to the test program (no empty entries or non-absolute paths, strip trailing slashes from the paths, and remove tests that thereby become redundant). The point of this change is to reduce the scope of the ancestor_length tests in t0060 from testing normalization+longest_prefix to testing only mostly longest_prefix. This is necessary because when setup_git_directory_gently_1() starts resolving symlinks as part of its normalization, it will not be reasonable to do the same in the test suite, because that would make the test results depend on the contents of the root directory of the filesystem on which the test is run. HOWEVER: under Windows, bash mangles arguments that look like absolute POSIX paths into DOS paths. So we have to retain the level of normalization done by normalize_path_copy() to convert the bash-mangled DOS paths (which contain backslashes) into paths that use forward slashes. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Jeff King <peff@peff.net>
2012-10-29longest_ancestor_length(): take a string_list argument for prefixesLibravatar Michael Haggerty1-1/+7
Change longest_ancestor_length() to take the prefixes argument as a string_list rather than as a colon-separated string. This will make it easier for the caller to alter the entries before calling longest_ancestor_length(). Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Jeff King <peff@peff.net>
2011-08-04test-path-utils: Add subcommand "prefix_path"Libravatar Michael Haggerty1-0/+13
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-04test-path-utils: Add subcommand "absolute_path"Libravatar Michael Haggerty1-0/+9
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-03-17Name make_*_path functions more accuratelyLibravatar Carlos Martín Nieto1-2/+2
Rename the make_*_path functions so it's clearer what they do, in particlar make clear what the differnce between make_absolute_path and make_nonrelative_path is by renaming them real_path and absolute_path respectively. make_relative_path has an understandable name and is renamed to relative_path to maintain the name convention. The function calls have been replaced 1-to-1 in their usage. Signed-off-by: Carlos Martín Nieto <cmn@elego.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-19Introduce the function strip_path_suffix()Libravatar Johannes Schindelin1-0/+6
The function strip_path_suffix() will try to strip a given suffix from a given path. The suffix must start at a directory boundary (i.e. "core" is not a path suffix of "libexec/git-core", but "git-core" is). Arbitrary runs of directory separators ("slashes") are assumed identical. Example: strip_path_suffix("C:\\msysgit/\\libexec\\git-core", "libexec///git-core", &prefix) will set prefix to "C:\\msysgit" and return 0. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Acked-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-07Test and fix normalize_path_copy()Libravatar Johannes Sixt1-3/+4
This changes the test-path-utils utility to invoke normalize_path_copy() instead of normalize_absolute_path() because the latter is about to be removed. The test cases in t0060 are adjusted in two regards: - normalize_path_copy() more often leaves a trailing slash in the result. This has no negative side effects because the new user of this function, longest_ancester_length(), already accounts for this behavior. - The function can fail. The tests uncover a flaw in normalize_path_copy(): If there are sufficiently many '..' path components so that the root is reached, such as in "/d1/s1/../../d2", then the leading slash was lost. This manifested itself that (assuming there is a repository at /tmp/foo) $ git add /d1/../tmp/foo/some-file reported 'pathspec is outside repository'. This is now fixed. Moreover, the test case descriptions of t0060 now include the test data and expected outcome. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-07Make test-path-utils more robust against incorrect useLibravatar Johannes Sixt1-1/+6
Previously, this test utility happily returned with exit code 0 if garbage was thrown at it. Now it reports failure if an unknown function name was given on the command line. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-01-27test-path-utils: Fix off by one, found by valgrindLibravatar Johannes Schindelin1-1/+1
When normalizing an absolute path, we might have to add a slash _and_ a NUL to the buffer, so the buffer was one too small. Let's just future proof the code and alloc PATH_MAX + 1 bytes. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-05-23Add support for GIT_CEILING_DIRECTORIESLibravatar David Reiss1-0/+5
Make git recognize a new environment variable that prevents it from chdir'ing up into specified directories when looking for a GIT_DIR. Useful for avoiding slow network directories. For example, I use git in an environment where homedirs are automounted and "ls /home/nonexistent" takes about 9 seconds. Setting GIT_CEILING_DIRS="/home" allows "git help -a" (for bash completion) and "git symbolic-ref" (for my shell prompt) to run in a reasonable time. Signed-off-by: David Reiss <dreiss@facebook.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-05-23Fold test-absolute-path into test-path-utilsLibravatar David Reiss1-0/+8
Signed-off-by: David Reiss <dreiss@facebook.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-05-23Implement normalize_absolute_pathLibravatar David Reiss1-0/+13
normalize_absolute_path removes several oddities form absolute paths, giving nice clean paths like "/dir/sub1/sub2". Also add a test case for this utility, based on a new test program (in the style of test-sha1). Signed-off-by: David Reiss <dreiss@facebook.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>