summaryrefslogtreecommitdiff
path: root/builtin/difftool.c
diff options
context:
space:
mode:
Diffstat (limited to 'builtin/difftool.c')
-rw-r--r--builtin/difftool.c129
1 files changed, 70 insertions, 59 deletions
diff --git a/builtin/difftool.c b/builtin/difftool.c
index bcc79d1888..c280e682b2 100644
--- a/builtin/difftool.c
+++ b/builtin/difftool.c
@@ -11,18 +11,19 @@
*
* Copyright (C) 2016 Johannes Schindelin
*/
+#define USE_THE_INDEX_COMPATIBILITY_MACROS
#include "cache.h"
#include "config.h"
#include "builtin.h"
#include "run-command.h"
-#include "exec_cmd.h"
+#include "exec-cmd.h"
#include "parse-options.h"
#include "argv-array.h"
#include "strbuf.h"
#include "lockfile.h"
+#include "object-store.h"
#include "dir.h"
-static char *diff_gui_tool;
static int trust_exit_code;
static const char *const builtin_difftool_usage[] = {
@@ -32,11 +33,6 @@ static const char *const builtin_difftool_usage[] = {
static int difftool_config(const char *var, const char *value, void *cb)
{
- if (!strcmp(var, "diff.guitool")) {
- diff_gui_tool = xstrdup(value);
- return 0;
- }
-
if (!strcmp(var, "difftool.trustexitcode")) {
trust_exit_code = git_config_bool(var, value);
return 0;
@@ -63,14 +59,12 @@ static int parse_index_info(char *p, int *mode1, int *mode2,
*mode2 = (int)strtol(p + 1, &p, 8);
if (*p != ' ')
return error("expected ' ', got '%c'", *p);
- if (get_oid_hex(++p, oid1))
- return error("expected object ID, got '%s'", p + 1);
- p += GIT_SHA1_HEXSZ;
+ if (parse_oid_hex(++p, oid1, (const char **)&p))
+ return error("expected object ID, got '%s'", p);
if (*p != ' ')
return error("expected ' ', got '%c'", *p);
- if (get_oid_hex(++p, oid2))
- return error("expected object ID, got '%s'", p + 1);
- p += GIT_SHA1_HEXSZ;
+ if (parse_oid_hex(++p, oid2, (const char **)&p))
+ return error("expected object ID, got '%s'", p);
if (*p != ' ')
return error("expected ' ', got '%c'", *p);
*status = *++p;
@@ -111,11 +105,11 @@ static int use_wt_file(const char *workdir, const char *name,
int fd = open(buf.buf, O_RDONLY);
if (fd >= 0 &&
- !index_fd(&wt_oid, fd, &st, OBJ_BLOB, name, 0)) {
+ !index_fd(&the_index, &wt_oid, fd, &st, OBJ_BLOB, name, 0)) {
if (is_null_oid(oid)) {
oidcpy(oid, &wt_oid);
use = 1;
- } else if (!oidcmp(oid, &wt_oid))
+ } else if (oideq(oid, &wt_oid))
use = 1;
}
}
@@ -131,12 +125,15 @@ struct working_tree_entry {
};
static int working_tree_entry_cmp(const void *unused_cmp_data,
- const void *entry,
- const void *entry_or_key,
+ const struct hashmap_entry *eptr,
+ const struct hashmap_entry *entry_or_key,
const void *unused_keydata)
{
- const struct working_tree_entry *a = entry;
- const struct working_tree_entry *b = entry_or_key;
+ const struct working_tree_entry *a, *b;
+
+ a = container_of(eptr, const struct working_tree_entry, entry);
+ b = container_of(entry_or_key, const struct working_tree_entry, entry);
+
return strcmp(a->path, b->path);
}
@@ -151,12 +148,14 @@ struct pair_entry {
};
static int pair_cmp(const void *unused_cmp_data,
- const void *entry,
- const void *entry_or_key,
+ const struct hashmap_entry *eptr,
+ const struct hashmap_entry *entry_or_key,
const void *unused_keydata)
{
- const struct pair_entry *a = entry;
- const struct pair_entry *b = entry_or_key;
+ const struct pair_entry *a, *b;
+
+ a = container_of(eptr, const struct pair_entry, entry);
+ b = container_of(entry_or_key, const struct pair_entry, entry);
return strcmp(a->path, b->path);
}
@@ -167,14 +166,14 @@ static void add_left_or_right(struct hashmap *map, const char *path,
struct pair_entry *e, *existing;
FLEX_ALLOC_STR(e, path, path);
- hashmap_entry_init(e, strhash(path));
- existing = hashmap_get(map, e, NULL);
+ hashmap_entry_init(&e->entry, strhash(path));
+ existing = hashmap_get_entry(map, e, entry, NULL);
if (existing) {
free(e);
e = existing;
} else {
e->left[0] = e->right[0] = '\0';
- hashmap_add(map, e);
+ hashmap_add(map, &e->entry);
}
strlcpy(is_right ? e->right : e->left, content, PATH_MAX);
}
@@ -185,12 +184,14 @@ struct path_entry {
};
static int path_entry_cmp(const void *unused_cmp_data,
- const void *entry,
- const void *entry_or_key,
+ const struct hashmap_entry *eptr,
+ const struct hashmap_entry *entry_or_key,
const void *key)
{
- const struct path_entry *a = entry;
- const struct path_entry *b = entry_or_key;
+ const struct path_entry *a, *b;
+
+ a = container_of(eptr, const struct path_entry, entry);
+ b = container_of(entry_or_key, const struct path_entry, entry);
return strcmp(a->path, key ? key : b->path);
}
@@ -240,8 +241,8 @@ static void changed_files(struct hashmap *result, const char *index_path,
while (!strbuf_getline_nul(&buf, fp)) {
struct path_entry *entry;
FLEX_ALLOC_STR(entry, path, buf.buf);
- hashmap_entry_init(entry, strhash(buf.buf));
- hashmap_add(result, entry);
+ hashmap_entry_init(&entry->entry, strhash(buf.buf));
+ hashmap_add(result, &entry->entry);
}
fclose(fp);
if (finish_command(&diff_files))
@@ -306,7 +307,7 @@ static char *get_symlink(const struct object_id *oid, const char *path)
} else {
enum object_type type;
unsigned long size;
- data = read_sha1_file(oid->hash, &type, &size);
+ data = read_object_file(oid, &type, &size);
if (!data)
die(_("could not read object %s for symlink %s"),
oid_to_hex(oid), path);
@@ -321,10 +322,10 @@ static int checkout_path(unsigned mode, struct object_id *oid,
struct cache_entry *ce;
int ret;
- ce = make_cache_entry(mode, oid->hash, path, 0, 0);
- ret = checkout_entry(ce, state, NULL);
+ ce = make_transient_cache_entry(mode, oid, path, 0);
+ ret = checkout_entry(ce, state, NULL, NULL);
- free(ce);
+ discard_cache_entry(ce);
return ret;
}
@@ -437,7 +438,7 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
strbuf_reset(&buf);
strbuf_addf(&buf, "Subproject commit %s",
oid_to_hex(&roid));
- if (!oidcmp(&loid, &roid))
+ if (oideq(&loid, &roid))
strbuf_addstr(&buf, "-dirty");
add_left_or_right(&submodules, dst_path, buf.buf, 1);
continue;
@@ -467,12 +468,13 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
/* Avoid duplicate working_tree entries */
FLEX_ALLOC_STR(entry, path, dst_path);
- hashmap_entry_init(entry, strhash(dst_path));
- if (hashmap_get(&working_tree_dups, entry, NULL)) {
+ hashmap_entry_init(&entry->entry, strhash(dst_path));
+ if (hashmap_get(&working_tree_dups, &entry->entry,
+ NULL)) {
free(entry);
continue;
}
- hashmap_add(&working_tree_dups, entry);
+ hashmap_add(&working_tree_dups, &entry->entry);
if (!use_wt_file(workdir, dst_path, &roid)) {
if (checkout_path(rmode, &roid, dst_path,
@@ -488,7 +490,7 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
* index.
*/
struct cache_entry *ce2 =
- make_cache_entry(rmode, roid.hash,
+ make_cache_entry(&wtindex, rmode, &roid,
dst_path, 0, 0);
add_index_entry(&wtindex, ce2,
@@ -536,8 +538,8 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
* temporary file to both the left and right directories to show the
* change in the recorded SHA1 for the submodule.
*/
- hashmap_iter_init(&submodules, &iter);
- while ((entry = hashmap_iter_next(&iter))) {
+ hashmap_for_each_entry(&submodules, &iter, entry,
+ entry /* member name */) {
if (*entry->left) {
add_path(&ldir, ldir_len, entry->path);
ensure_leading_directories(ldir.buf);
@@ -555,8 +557,8 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
* shows only the link itself, not the contents of the link target.
* This loop replicates that behavior.
*/
- hashmap_iter_init(&symlinks2, &iter);
- while ((entry = hashmap_iter_next(&iter))) {
+ hashmap_for_each_entry(&symlinks2, &iter, entry,
+ entry /* member name */) {
if (*entry->left) {
add_path(&ldir, ldir_len, entry->path);
ensure_leading_directories(ldir.buf);
@@ -610,7 +612,7 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
continue;
if (!indices_loaded) {
- static struct lock_file lock;
+ struct lock_file lock = LOCK_INIT;
strbuf_reset(&buf);
strbuf_addf(&buf, "%s/wtindex", tmpdir);
if (hold_lock_file_for_update(&lock, buf.buf, 0) < 0 ||
@@ -688,22 +690,21 @@ static int run_file_diff(int prompt, const char *prefix,
int cmd_difftool(int argc, const char **argv, const char *prefix)
{
int use_gui_tool = 0, dir_diff = 0, prompt = -1, symlinks = 0,
- tool_help = 0;
+ tool_help = 0, no_index = 0;
static char *difftool_cmd = NULL, *extcmd = NULL;
struct option builtin_difftool_options[] = {
OPT_BOOL('g', "gui", &use_gui_tool,
N_("use `diff.guitool` instead of `diff.tool`")),
OPT_BOOL('d', "dir-diff", &dir_diff,
N_("perform a full-directory diff")),
- { OPTION_SET_INT, 'y', "no-prompt", &prompt, NULL,
+ OPT_SET_INT_F('y', "no-prompt", &prompt,
N_("do not prompt before launching a diff tool"),
- PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 0},
- { OPTION_SET_INT, 0, "prompt", &prompt, NULL, NULL,
- PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_HIDDEN,
- NULL, 1 },
+ 0, PARSE_OPT_NONEG),
+ OPT_SET_INT_F(0, "prompt", &prompt, NULL,
+ 1, PARSE_OPT_NONEG | PARSE_OPT_HIDDEN),
OPT_BOOL(0, "symlinks", &symlinks,
N_("use symlinks in dir-diff mode")),
- OPT_STRING('t', "tool", &difftool_cmd, N_("<tool>"),
+ OPT_STRING('t', "tool", &difftool_cmd, N_("tool"),
N_("use the specified diff tool")),
OPT_BOOL(0, "tool-help", &tool_help,
N_("print a list of diff tools that may be used with "
@@ -711,8 +712,9 @@ int cmd_difftool(int argc, const char **argv, const char *prefix)
OPT_BOOL(0, "trust-exit-code", &trust_exit_code,
N_("make 'git-difftool' exit when an invoked diff "
"tool returns a non - zero exit code")),
- OPT_STRING('x', "extcmd", &extcmd, N_("<command>"),
+ OPT_STRING('x', "extcmd", &extcmd, N_("command"),
N_("specify a custom command for viewing diffs")),
+ OPT_ARGUMENT("no-index", &no_index, N_("passed to `diff`")),
OPT_END()
};
@@ -726,12 +728,21 @@ int cmd_difftool(int argc, const char **argv, const char *prefix)
if (tool_help)
return print_tool_help();
- /* NEEDSWORK: once we no longer spawn anything, remove this */
- setenv(GIT_DIR_ENVIRONMENT, absolute_path(get_git_dir()), 1);
- setenv(GIT_WORK_TREE_ENVIRONMENT, absolute_path(get_git_work_tree()), 1);
+ if (!no_index && !startup_info->have_repository)
+ die(_("difftool requires worktree or --no-index"));
+
+ if (!no_index){
+ setup_work_tree();
+ setenv(GIT_DIR_ENVIRONMENT, absolute_path(get_git_dir()), 1);
+ setenv(GIT_WORK_TREE_ENVIRONMENT, absolute_path(get_git_work_tree()), 1);
+ } else if (dir_diff)
+ die(_("--dir-diff is incompatible with --no-index"));
+
+ if (use_gui_tool + !!difftool_cmd + !!extcmd > 1)
+ die(_("--gui, --tool and --extcmd are mutually exclusive"));
- if (use_gui_tool && diff_gui_tool && *diff_gui_tool)
- setenv("GIT_DIFF_TOOL", diff_gui_tool, 1);
+ if (use_gui_tool)
+ setenv("GIT_MERGETOOL_GUI", "true", 1);
else if (difftool_cmd) {
if (*difftool_cmd)
setenv("GIT_DIFF_TOOL", difftool_cmd, 1);
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-09 07:41:38 +0000