diff --git a/Documentation/git-apply.txt b/Documentation/git-apply.txt index feb51f124a..e726510ab1 100644 --- a/Documentation/git-apply.txt +++ b/Documentation/git-apply.txt @@ -14,7 +14,8 @@ SYNOPSIS [--allow-binary-replacement | --binary] [--reject] [-z] [-pNUM] [-CNUM] [--inaccurate-eof] [--recount] [--cached] [--whitespace=] - [--exclude=PATH] [--directory=] [--verbose] [...] + [--exclude=PATH] [--include=PATH] [--directory=] + [--verbose] [...] DESCRIPTION ----------- @@ -137,6 +138,17 @@ discouraged. be useful when importing patchsets, where you want to exclude certain files or directories. +--include=:: + Apply changes to files matching the given path pattern. This can + be useful when importing patchsets, where you want to include certain + files or directories. ++ +When --exclude and --include patterns are used, they are examined in the +order they appear on the command line, and the first match determines if a +patch to each path is used. A patch to a path that does not match any +include/exclude pattern is used by default if there is no include pattern +on the command line, and ignored if there is any include pattern. + --whitespace=:: When applying a patch, detect a new or modified line that has whitespace errors. What are considered whitespace errors is diff --git a/builtin-apply.c b/builtin-apply.c index 20bef1f21d..2ab4aba5a0 100644 --- a/builtin-apply.c +++ b/builtin-apply.c @@ -2994,29 +2994,45 @@ static int write_out_results(struct patch *list, int skipped_patch) static struct lock_file lock_file; -static struct excludes { - struct excludes *next; - const char *path; -} *excludes; +static struct string_list limit_by_name; +static int has_include; +static void add_name_limit(const char *name, int exclude) +{ + struct string_list_item *it; + + it = string_list_append(name, &limit_by_name); + it->util = exclude ? NULL : (void *) 1; +} static int use_patch(struct patch *p) { const char *pathname = p->new_name ? p->new_name : p->old_name; - struct excludes *x = excludes; - while (x) { - if (fnmatch(x->path, pathname, 0) == 0) - return 0; - x = x->next; - } + int i; + + /* Paths outside are not touched regardless of "--include" */ if (0 < prefix_length) { int pathlen = strlen(pathname); if (pathlen <= prefix_length || memcmp(prefix, pathname, prefix_length)) return 0; } - return 1; + + /* See if it matches any of exclude/include rule */ + for (i = 0; i < limit_by_name.nr; i++) { + struct string_list_item *it = &limit_by_name.items[i]; + if (!fnmatch(it->string, pathname, 0)) + return (it->util != NULL); + } + + /* + * If we had any include, a path that does not match any rule is + * not used. Otherwise, we saw bunch of exclude rules (or none) + * and such a path is used. + */ + return !has_include; } + static void prefix_one(char **name) { char *old_name = *name; @@ -3157,10 +3173,12 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix) continue; } if (!prefixcmp(arg, "--exclude=")) { - struct excludes *x = xmalloc(sizeof(*x)); - x->path = arg + 10; - x->next = excludes; - excludes = x; + add_name_limit(arg + 10, 1); + continue; + } + if (!prefixcmp(arg, "--include=")) { + add_name_limit(arg + 10, 0); + has_include = 1; continue; } if (!prefixcmp(arg, "-p")) {