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Merge branch 'nd/exclusion-regression-fix'
The ignore mechanism saw a few regressions around untracked file listing and sparse checkout selection areas in 2.7.0; the change that is responsible for the regression has been reverted. * nd/exclusion-regression-fix: Revert "dir.c: don't exclude whole dir prematurely if neg pattern may match"
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commit
76b620d816
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@ -82,12 +82,12 @@ PATTERN FORMAT
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- An optional prefix "`!`" which negates the pattern; any
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matching file excluded by a previous pattern will become
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included again.
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included again. It is not possible to re-include a file if a parent
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directory of that file is excluded. Git doesn't list excluded
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directories for performance reasons, so any patterns on contained
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files have no effect, no matter where they are defined.
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Put a backslash ("`\`") in front of the first "`!`" for patterns
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that begin with a literal "`!`", for example, "`\!important!.txt`".
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It is possible to re-include a file if a parent directory of that
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file is excluded if certain conditions are met. See section NOTES
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for detail.
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- If the pattern ends with a slash, it is removed for the
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purpose of the following description, but it would only find
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@ -141,21 +141,6 @@ not tracked by Git remain untracked.
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To stop tracking a file that is currently tracked, use
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'git rm --cached'.
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To re-include files or directories when their parent directory is
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excluded, the following conditions must be met:
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- The rules to exclude a directory and re-include a subset back must
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be in the same .gitignore file.
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- The directory part in the re-include rules must be literal (i.e. no
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wildcards)
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- The rules to exclude the parent directory must not end with a
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trailing slash.
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- The rules to exclude the parent directory must have at least one
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slash.
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EXAMPLES
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--------
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74
dir.c
74
dir.c
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@ -880,25 +880,6 @@ int match_pathname(const char *pathname, int pathlen,
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*/
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if (!patternlen && !namelen)
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return 1;
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/*
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* This can happen when we ignore some exclude rules
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* on directories in other to see if negative rules
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* may match. E.g.
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*
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* /abc
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* !/abc/def/ghi
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*
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* The pattern of interest is "/abc". On the first
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* try, we should match path "abc" with this pattern
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* in the "if" statement right above, but the caller
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* ignores it.
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*
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* On the second try with paths within "abc",
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* e.g. "abc/xyz", we come here and try to match it
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* with "/abc".
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*/
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if (!patternlen && namelen && *name == '/')
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return 1;
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}
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return fnmatch_icase_mem(pattern, patternlen,
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@ -906,48 +887,6 @@ int match_pathname(const char *pathname, int pathlen,
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WM_PATHNAME) == 0;
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}
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/*
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* Return non-zero if pathname is a directory and an ancestor of the
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* literal path in a (negative) pattern. This is used to keep
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* descending in "foo" and "foo/bar" when the pattern is
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* "!foo/bar/.gitignore". "foo/notbar" will not be descended however.
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*/
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static int match_neg_path(const char *pathname, int pathlen, int *dtype,
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const char *base, int baselen,
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const char *pattern, int prefix, int patternlen,
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int flags)
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{
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assert((flags & EXC_FLAG_NEGATIVE) && !(flags & EXC_FLAG_NODIR));
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if (*dtype == DT_UNKNOWN)
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*dtype = get_dtype(NULL, pathname, pathlen);
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if (*dtype != DT_DIR)
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return 0;
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if (*pattern == '/') {
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pattern++;
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patternlen--;
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prefix--;
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}
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if (baselen) {
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if (((pathlen < baselen && base[pathlen] == '/') ||
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pathlen == baselen) &&
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!strncmp_icase(pathname, base, pathlen))
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return 1;
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pathname += baselen + 1;
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pathlen -= baselen + 1;
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}
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if (prefix &&
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((pathlen < prefix && pattern[pathlen] == '/') &&
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!strncmp_icase(pathname, pattern, pathlen)))
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return 1;
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return 0;
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}
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/*
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* Scan the given exclude list in reverse to see whether pathname
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* should be ignored. The first match (i.e. the last on the list), if
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@ -961,7 +900,7 @@ static struct exclude *last_exclude_matching_from_list(const char *pathname,
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struct exclude_list *el)
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{
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struct exclude *exc = NULL; /* undecided */
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int i, matched_negative_path = 0;
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int i;
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if (!el->nr)
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return NULL; /* undefined */
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@ -996,18 +935,7 @@ static struct exclude *last_exclude_matching_from_list(const char *pathname,
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exc = x;
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break;
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}
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if ((x->flags & EXC_FLAG_NEGATIVE) && !matched_negative_path &&
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match_neg_path(pathname, pathlen, dtype, x->base,
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x->baselen ? x->baselen - 1 : 0,
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exclude, prefix, x->patternlen, x->flags))
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matched_negative_path = 1;
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}
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if (exc &&
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!(exc->flags & EXC_FLAG_NEGATIVE) &&
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!(exc->flags & EXC_FLAG_NODIR) &&
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matched_negative_path)
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exc = NULL;
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return exc;
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}
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@ -305,29 +305,4 @@ test_expect_success 'ls-files with "**" patterns and no slashes' '
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test_cmp expect actual
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'
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test_expect_success 'negative patterns' '
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git init reinclude &&
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(
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cd reinclude &&
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cat >.gitignore <<-\EOF &&
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/fooo
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/foo
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!foo/bar/bar
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EOF
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mkdir fooo &&
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cat >fooo/.gitignore <<-\EOF &&
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!/*
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EOF
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mkdir -p foo/bar &&
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touch abc foo/def foo/bar/ghi foo/bar/bar &&
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git ls-files -o --exclude-standard >../actual &&
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cat >../expected <<-\EOF &&
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.gitignore
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abc
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foo/bar/bar
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EOF
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test_cmp ../expected ../actual
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)
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'
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test_done
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