diff options
Diffstat (limited to 'builtin/difftool.c')
-rw-r--r-- | builtin/difftool.c | 73 |
1 files changed, 38 insertions, 35 deletions
diff --git a/builtin/difftool.c b/builtin/difftool.c index bcc79d1888..16eb8b70ea 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; } } @@ -306,7 +300,7 @@ 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 +315,10 @@ 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 +431,7 @@ 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; @@ -488,7 +482,7 @@ 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, @@ -610,7 +604,7 @@ 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 +682,21 @@ 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 +704,9 @@ 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 +720,21 @@ 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); 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