diff options
| -rw-r--r-- | cache.h | 1 | ||||
| -rw-r--r-- | diff-no-index.c | 21 | ||||
| -rw-r--r-- | setup.c | 24 | ||||
| -rwxr-xr-x | t/t4053-diff-no-index.sh | 15 |
4 files changed, 39 insertions, 22 deletions
@@ -455,6 +455,7 @@ extern const char *prefix_filename(const char *prefix, int len, const char *path extern int check_filename(const char *prefix, const char *name); extern void verify_filename(const char *prefix, const char *name); extern void verify_non_filename(const char *prefix, const char *name); +extern int path_inside_repo(const char *prefix, const char *path); #define INIT_DB_QUIET 0x0001 diff --git a/diff-no-index.c b/diff-no-index.c index f0b0010aed..e6b9952b34 100644 --- a/diff-no-index.c +++ b/diff-no-index.c @@ -151,23 +151,6 @@ static int queue_diff(struct diff_options *o, } } -static int path_outside_repo(const char *path) -{ - const char *work_tree; - size_t len; - - if (!is_absolute_path(path)) - return 0; - work_tree = get_git_work_tree(); - if (!work_tree) - return 1; - len = strlen(work_tree); - if (strncmp(path, work_tree, len) || - (path[len] != '\0' && path[len] != '/')) - return 1; - return 0; -} - void diff_no_index(struct rev_info *revs, int argc, const char **argv, int nongit, const char *prefix) @@ -197,8 +180,8 @@ void diff_no_index(struct rev_info *revs, * a colourful "diff" replacement. */ if ((argc != i + 2) || - (!path_outside_repo(argv[i]) && - !path_outside_repo(argv[i+1]))) + (path_inside_repo(prefix, argv[i]) && + path_inside_repo(prefix, argv[i+1]))) return; } if (argc != i + 2) @@ -4,7 +4,7 @@ static int inside_git_dir = -1; static int inside_work_tree = -1; -char *prefix_path(const char *prefix, int len, const char *path) +static char *prefix_path_gently(const char *prefix, int len, const char *path) { const char *orig = path; char *sanitized; @@ -31,7 +31,8 @@ char *prefix_path(const char *prefix, int len, const char *path) if (strncmp(sanitized, work_tree, len) || (len > root_len && sanitized[len] != '\0' && sanitized[len] != '/')) { error_out: - die("'%s' is outside repository", orig); + free(sanitized); + return NULL; } if (sanitized[len] == '/') len++; @@ -40,6 +41,25 @@ char *prefix_path(const char *prefix, int len, const char *path) return sanitized; } +char *prefix_path(const char *prefix, int len, const char *path) +{ + char *r = prefix_path_gently(prefix, len, path); + if (!r) + die("'%s' is outside repository", path); + return r; +} + +int path_inside_repo(const char *prefix, const char *path) +{ + int len = prefix ? strlen(prefix) : 0; + char *r = prefix_path_gently(prefix, len, path); + if (r) { + free(r); + return 1; + } + return 0; +} + int check_filename(const char *prefix, const char *arg) { const char *name; diff --git a/t/t4053-diff-no-index.sh b/t/t4053-diff-no-index.sh index 4dc8c67edc..979e98398b 100755 --- a/t/t4053-diff-no-index.sh +++ b/t/t4053-diff-no-index.sh @@ -8,7 +8,12 @@ test_expect_success 'setup' ' mkdir a && mkdir b && echo 1 >a/1 && - echo 2 >a/2 + echo 2 >a/2 && + git init repo && + echo 1 >repo/a && + mkdir -p non/git && + echo 1 >non/git/a && + echo 1 >non/git/b ' test_expect_success 'git diff --no-index directories' ' @@ -16,4 +21,12 @@ test_expect_success 'git diff --no-index directories' ' test $? = 1 && test_line_count = 14 cnt ' +test_expect_success 'git diff --no-index relative path outside repo' ' + ( + cd repo && + test_expect_code 0 git diff --no-index a ../non/git/a && + test_expect_code 0 git diff --no-index ../non/git/a ../non/git/b + ) +' + test_done |