diff options
| -rw-r--r-- | Documentation/git.txt | 15 | ||||
| -rw-r--r-- | cache.h | 3 | ||||
| -rw-r--r-- | dir.c | 38 | ||||
| -rw-r--r-- | git.c | 8 | ||||
| -rwxr-xr-x | t/t6130-pathspec-noglob.sh | 62 |
5 files changed, 115 insertions, 11 deletions
diff --git a/Documentation/git.txt b/Documentation/git.txt index 7a3f03b5ce..05c0b942be 100644 --- a/Documentation/git.txt +++ b/Documentation/git.txt @@ -428,6 +428,11 @@ help ...`. Do not use replacement refs to replace git objects. See linkgit:git-replace[1] for more information. +--literal-pathspecs:: + Treat pathspecs literally, rather than as glob patterns. This is + equivalent to setting the `GIT_LITERAL_PATHSPECS` environment + variable to `1`. + GIT COMMANDS ------------ @@ -796,6 +801,16 @@ for further details. as a file path and will try to write the trace messages into it. +GIT_LITERAL_PATHSPECS:: + Setting this variable to `1` will cause git to treat all + pathspecs literally, rather than as glob patterns. For example, + running `GIT_LITERAL_PATHSPECS=1 git log -- '*.c'` will search + for commits that touch the path `*.c`, not any paths that the + glob `*.c` matches. You might want this if you are feeding + literal paths to git (e.g., paths previously given to you by + `git ls-tree`, `--raw` diff output, etc). + + Discussion[[Discussion]] ------------------------ @@ -362,6 +362,7 @@ static inline enum object_type object_type(unsigned int mode) #define GIT_NOTES_DISPLAY_REF_ENVIRONMENT "GIT_NOTES_DISPLAY_REF" #define GIT_NOTES_REWRITE_REF_ENVIRONMENT "GIT_NOTES_REWRITE_REF" #define GIT_NOTES_REWRITE_MODE_ENVIRONMENT "GIT_NOTES_REWRITE_MODE" +#define GIT_LITERAL_PATHSPECS_ENVIRONMENT "GIT_LITERAL_PATHSPECS" /* * Repository-local GIT_* environment variables @@ -493,6 +494,8 @@ extern int init_pathspec(struct pathspec *, const char **); extern void free_pathspec(struct pathspec *); extern int ce_path_match(const struct cache_entry *ce, const struct pathspec *pathspec); +extern int limit_pathspec_to_literal(void); + #define HASH_WRITE_OBJECT 1 #define HASH_FORMAT_CHECK 2 extern int index_fd(unsigned char *sha1, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags); @@ -60,6 +60,7 @@ static size_t common_prefix_len(const char **pathspec) { const char *n, *first; size_t max = 0; + int literal = limit_pathspec_to_literal(); if (!pathspec) return max; @@ -69,7 +70,7 @@ static size_t common_prefix_len(const char **pathspec) size_t i, len = 0; for (i = 0; first == n || i < max; i++) { char c = n[i]; - if (!c || c != first[i] || is_glob_special(c)) + if (!c || c != first[i] || (!literal && is_glob_special(c))) break; if (c == '/') len = i + 1; @@ -139,6 +140,7 @@ int within_depth(const char *name, int namelen, static int match_one(const char *match, const char *name, int namelen) { int matchlen; + int literal = limit_pathspec_to_literal(); /* If the match was just the prefix, we matched */ if (!*match) @@ -148,7 +150,7 @@ static int match_one(const char *match, const char *name, int namelen) for (;;) { unsigned char c1 = tolower(*match); unsigned char c2 = tolower(*name); - if (c1 == '\0' || is_glob_special(c1)) + if (c1 == '\0' || (!literal && is_glob_special(c1))) break; if (c1 != c2) return 0; @@ -160,7 +162,7 @@ static int match_one(const char *match, const char *name, int namelen) for (;;) { unsigned char c1 = *match; unsigned char c2 = *name; - if (c1 == '\0' || is_glob_special(c1)) + if (c1 == '\0' || (!literal && is_glob_special(c1))) break; if (c1 != c2) return 0; @@ -170,14 +172,16 @@ static int match_one(const char *match, const char *name, int namelen) } } - /* * If we don't match the matchstring exactly, * we need to match by fnmatch */ matchlen = strlen(match); - if (strncmp_icase(match, name, matchlen)) + if (strncmp_icase(match, name, matchlen)) { + if (literal) + return 0; return !fnmatch_icase(match, name, 0) ? MATCHED_FNMATCH : 0; + } if (namelen == matchlen) return MATCHED_EXACTLY; @@ -1454,13 +1458,17 @@ int init_pathspec(struct pathspec *pathspec, const char **paths) item->match = path; item->len = strlen(path); - item->nowildcard_len = simple_length(path); item->flags = 0; - if (item->nowildcard_len < item->len) { - pathspec->has_wildcard = 1; - if (path[item->nowildcard_len] == '*' && - no_wildcard(path + item->nowildcard_len + 1)) - item->flags |= PATHSPEC_ONESTAR; + if (limit_pathspec_to_literal()) { + item->nowildcard_len = item->len; + } else { + item->nowildcard_len = simple_length(path); + if (item->nowildcard_len < item->len) { + pathspec->has_wildcard = 1; + if (path[item->nowildcard_len] == '*' && + no_wildcard(path + item->nowildcard_len + 1)) + item->flags |= PATHSPEC_ONESTAR; + } } } @@ -1475,3 +1483,11 @@ void free_pathspec(struct pathspec *pathspec) free(pathspec->items); pathspec->items = NULL; } + +int limit_pathspec_to_literal(void) +{ + static int flag = -1; + if (flag < 0) + flag = git_env_bool(GIT_LITERAL_PATHSPECS_ENVIRONMENT, 0); + return flag; +} @@ -135,6 +135,14 @@ static int handle_options(const char ***argv, int *argc, int *envchanged) git_config_push_parameter((*argv)[1]); (*argv)++; (*argc)--; + } else if (!strcmp(cmd, "--literal-pathspecs")) { + setenv(GIT_LITERAL_PATHSPECS_ENVIRONMENT, "1", 1); + if (envchanged) + *envchanged = 1; + } else if (!strcmp(cmd, "--no-literal-pathspecs")) { + setenv(GIT_LITERAL_PATHSPECS_ENVIRONMENT, "0", 1); + if (envchanged) + *envchanged = 1; } else { fprintf(stderr, "Unknown option: %s\n", cmd); usage(git_usage_string); diff --git a/t/t6130-pathspec-noglob.sh b/t/t6130-pathspec-noglob.sh new file mode 100755 index 0000000000..bb5e710054 --- /dev/null +++ b/t/t6130-pathspec-noglob.sh @@ -0,0 +1,62 @@ +#!/bin/sh + +test_description='test globbing (and noglob) of pathspec limiting' +. ./test-lib.sh + +test_expect_success 'create commits with glob characters' ' + test_commit unrelated bar && + test_commit vanilla foo && + test_commit star "f*" && + test_commit bracket "f[o][o]" +' + +test_expect_success 'vanilla pathspec matches literally' ' + echo vanilla >expect && + git log --format=%s -- foo >actual && + test_cmp expect actual +' + +test_expect_success 'star pathspec globs' ' + cat >expect <<-\EOF && + bracket + star + vanilla + EOF + git log --format=%s -- "f*" >actual && + test_cmp expect actual +' + +test_expect_success 'bracket pathspec globs and matches literal brackets' ' + cat >expect <<-\EOF && + bracket + vanilla + EOF + git log --format=%s -- "f[o][o]" >actual && + test_cmp expect actual +' + +test_expect_success 'no-glob option matches literally (vanilla)' ' + echo vanilla >expect && + git --literal-pathspecs log --format=%s -- foo >actual && + test_cmp expect actual +' + +test_expect_success 'no-glob option matches literally (star)' ' + echo star >expect && + git --literal-pathspecs log --format=%s -- "f*" >actual && + test_cmp expect actual +' + +test_expect_success 'no-glob option matches literally (bracket)' ' + echo bracket >expect && + git --literal-pathspecs log --format=%s -- "f[o][o]" >actual && + test_cmp expect actual +' + +test_expect_success 'no-glob environment variable works' ' + echo star >expect && + GIT_LITERAL_PATHSPECS=1 git log --format=%s -- "f*" >actual && + test_cmp expect actual +' + +test_done |