diff options
Diffstat (limited to 'diff.c')
| -rw-r--r-- | diff.c | 36 |
1 files changed, 31 insertions, 5 deletions
@@ -1,7 +1,7 @@ /* * Copyright (C) 2005 Junio C Hamano */ -#include "cache.h" +#include "git-compat-util.h" #include "abspath.h" #include "alloc.h" #include "base85.h" @@ -20,13 +20,13 @@ #include "attr.h" #include "run-command.h" #include "utf8.h" -#include "object-store.h" +#include "object-store-ll.h" #include "userdiff.h" #include "submodule-config.h" #include "submodule.h" #include "hashmap.h" #include "mem-pool.h" -#include "ll-merge.h" +#include "merge-ll.h" #include "string-list.h" #include "strvec.h" #include "graph.h" @@ -39,6 +39,7 @@ #include "dir.h" #include "object-file.h" #include "object-name.h" +#include "read-cache-ll.h" #include "setup.h" #include "strmap.h" #include "ws.h" @@ -4751,6 +4752,31 @@ unsigned diff_filter_bit(char status) return filter_bit[(int) status]; } +int diff_check_follow_pathspec(struct pathspec *ps, int die_on_error) +{ + unsigned forbidden_magic; + + if (ps->nr != 1) { + if (die_on_error) + die(_("--follow requires exactly one pathspec")); + return 0; + } + + forbidden_magic = ps->items[0].magic & ~(PATHSPEC_FROMTOP | + PATHSPEC_LITERAL); + if (forbidden_magic) { + if (die_on_error) { + struct strbuf sb = STRBUF_INIT; + pathspec_magic_names(forbidden_magic, &sb); + die(_("pathspec magic not supported by --follow: %s"), + sb.buf); + } + return 0; + } + + return 1; +} + void diff_setup_done(struct diff_options *options) { unsigned check_mask = DIFF_FORMAT_NAME | @@ -4858,8 +4884,8 @@ void diff_setup_done(struct diff_options *options) options->diff_path_counter = 0; - if (options->flags.follow_renames && options->pathspec.nr != 1) - die(_("--follow requires exactly one pathspec")); + if (options->flags.follow_renames) + diff_check_follow_pathspec(&options->pathspec, 1); if (!options->use_color || external_diff()) options->color_moved = 0; |