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-rw-r--r--diff.c59
1 files changed, 46 insertions, 13 deletions
diff --git a/diff.c b/diff.c
index 1cdac6ed36..f265afa6c4 100644
--- a/diff.c
+++ b/diff.c
@@ -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"
@@ -357,7 +358,8 @@ static unsigned parse_color_moved_ws(const char *arg)
return ret;
}
-int git_diff_ui_config(const char *var, const char *value, void *cb)
+int git_diff_ui_config(const char *var, const char *value,
+ const struct config_context *ctx, void *cb)
{
if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff")) {
diff_use_color_default = git_config_colorbool(var, value);
@@ -378,13 +380,14 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
return 0;
}
if (!strcmp(var, "diff.context")) {
- diff_context_default = git_config_int(var, value);
+ diff_context_default = git_config_int(var, value, ctx->kvi);
if (diff_context_default < 0)
return -1;
return 0;
}
if (!strcmp(var, "diff.interhunkcontext")) {
- diff_interhunk_context_default = git_config_int(var, value);
+ diff_interhunk_context_default = git_config_int(var, value,
+ ctx->kvi);
if (diff_interhunk_context_default < 0)
return -1;
return 0;
@@ -410,7 +413,7 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
return 0;
}
if (!strcmp(var, "diff.statgraphwidth")) {
- diff_stat_graph_width = git_config_int(var, value);
+ diff_stat_graph_width = git_config_int(var, value, ctx->kvi);
return 0;
}
if (!strcmp(var, "diff.external"))
@@ -440,15 +443,16 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
if (git_color_config(var, value, cb) < 0)
return -1;
- return git_diff_basic_config(var, value, cb);
+ return git_diff_basic_config(var, value, ctx, cb);
}
-int git_diff_basic_config(const char *var, const char *value, void *cb)
+int git_diff_basic_config(const char *var, const char *value,
+ const struct config_context *ctx, void *cb)
{
const char *name;
if (!strcmp(var, "diff.renamelimit")) {
- diff_rename_limit_default = git_config_int(var, value);
+ diff_rename_limit_default = git_config_int(var, value, ctx->kvi);
return 0;
}
@@ -495,7 +499,7 @@ int git_diff_basic_config(const char *var, const char *value, void *cb)
if (git_diff_heuristic_config(var, value, cb) < 0)
return -1;
- return git_default_config(var, value, cb);
+ return git_default_config(var, value, ctx, cb);
}
static char *quote_two(const char *one, const char *two)
@@ -4751,6 +4755,31 @@ 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 +4887,8 @@ 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;
@@ -5494,6 +5523,10 @@ static int diff_opt_rotate_to(const struct option *opt, const char *arg, int uns
return 0;
}
+/*
+ * Consider adding new flags to __git_diff_common_options
+ * in contrib/completion/git-completion.bash
+ */
struct option *add_diff_options(const struct option *opts,
struct diff_options *options)
{