[PATCH v5 3/3] Retire the scripted difftool
- From
Johannes Schindelin <johannes.schindelin@gmx.de>
- Date
- Jan 17, 2017, 15:55 UTC
- Message-ID
- <8238bba389c031b091a37396fed43cac94d944e7.1484668473.git.johannes.schindelin@gmx.de>
- In-Reply-To
- <cover.1484668473.git.johannes.schindelin@gmx.de>
It served its purpose, but now we have a builtin difftool. Time for the Perl script to enjoy Florida.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> --- .gitignore | 1 - Makefile | 1 - builtin/difftool.c | 41 ---------- .../examples/git-difftool.perl | 0 git.c | 7 +- t/t7800-difftool.sh | 94 +++++++++++----------- 6 files changed, 47 insertions(+), 97 deletions(-) rename git-legacy-difftool.perl => contrib/examples/git-difftool.perl (100%)
diff --git a/.gitignore b/.gitignore index 5555ae025b..6722f78f9a 100644 --- a/.gitignore +++ b/.gitignore @@ -76,7 +76,6 @@ /git-init-db /git-interpret-trailers /git-instaweb -/git-legacy-difftool /git-log /git-ls-files /git-ls-remote diff --git a/Makefile b/Makefile index 8cf5bef034..e9aa6ae57c 100644 --- a/Makefile +++ b/Makefile @@ -522,7 +522,6 @@ SCRIPT_LIB += git-sh-setup SCRIPT_LIB += git-sh-i18n SCRIPT_PERL += git-add--interactive.perl -SCRIPT_PERL += git-legacy-difftool.perl SCRIPT_PERL += git-archimport.perl SCRIPT_PERL += git-cvsexportcommit.perl SCRIPT_PERL += git-cvsimport.perl diff --git a/builtin/difftool.c b/builtin/difftool.c index 2115e548a5..42ad9e804a 100644 --- a/builtin/difftool.c +++ b/builtin/difftool.c @@ -616,30 +616,6 @@ static int run_file_diff(int prompt, const char *prefix, exit(ret); } -/* - * NEEDSWORK: this function can go once the legacy-difftool Perl script is - * retired. - * - * We intentionally avoid reading the config directly here, to avoid messing up - * the GIT_* environment variables when we need to fall back to exec()ing the - * Perl script. - */ -static int use_builtin_difftool(void) { - struct child_process cp = CHILD_PROCESS_INIT; - struct strbuf out = STRBUF_INIT; - int ret; - - argv_array_pushl(&cp.args, - "config", "--bool", "difftool.usebuiltin", NULL); - cp.git_cmd = 1; - if (capture_command(&cp, &out, 6)) - return 0; - strbuf_trim(&out); - ret = !strcmp("true", out.buf); - strbuf_release(&out); - return ret; -} - int cmd_difftool(int argc, const char **argv, const char *prefix) { int use_gui_tool = 0, dir_diff = 0, prompt = -1, symlinks = 0, @@ -671,23 +647,6 @@ int cmd_difftool(int argc, const char **argv, const char *prefix) OPT_END() }; - /* - * NEEDSWORK: Once the builtin difftool has been tested enough - * and git-legacy-difftool.perl is retired to contrib/, this preamble - * can be removed. - */ - if (!use_builtin_difftool()) { - const char *path = mkpath("%s/git-legacy-difftool", - git_exec_path()); - - if (sane_execvp(path, (char **)argv) < 0) - die_errno("could not exec %s", path); - - return 0; - } - prefix = setup_git_directory(); - trace_repo_setup(prefix); - setup_work_tree(); /* 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); diff --git a/git-legacy-difftool.perl b/contrib/examples/git-difftool.perl similarity index 100% rename from git-legacy-difftool.perl rename to contrib/examples/git-difftool.perl diff --git a/git.c b/git.c index c58181e5ef..bd4d668a21 100644 --- a/git.c +++ b/git.c @@ -424,12 +424,7 @@ static struct cmd_struct commands[] = { { "diff-files", cmd_diff_files, RUN_SETUP | NEED_WORK_TREE }, { "diff-index", cmd_diff_index, RUN_SETUP }, { "diff-tree", cmd_diff_tree, RUN_SETUP }, - /* - * NEEDSWORK: Once the redirection to git-legacy-difftool.perl in - * builtin/difftool.c has been removed, this entry should be changed to - * RUN_SETUP | NEED_WORK_TREE - */ - { "difftool", cmd_difftool }, + { "difftool", cmd_difftool, RUN_SETUP | NEED_WORK_TREE }, { "fast-export", cmd_fast_export, RUN_SETUP }, { "fetch", cmd_fetch, RUN_SETUP }, { "fetch-pack", cmd_fetch_pack, RUN_SETUP }, diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh index e94910c563..aa0ef02597 100755 --- a/t/t7800-difftool.sh +++ b/t/t7800-difftool.sh @@ -23,10 +23,8 @@ prompt_given () test "$prompt" = "Launch 'test-tool' [Y/n]? branch" } -# NEEDSWORK: lose all the PERL prereqs once legacy-difftool is retired. - # Create a file on master and change it on branch -test_expect_success PERL 'setup' ' +test_expect_success 'setup' ' echo master >file && git add file && git commit -m "added file" && @@ -38,7 +36,7 @@ test_expect_success PERL 'setup' ' ' # Configure a custom difftool.<tool>.cmd and use it -test_expect_success PERL 'custom commands' ' +test_expect_success 'custom commands' ' difftool_test_setup && test_config difftool.test-tool.cmd "cat \"\$REMOTE\"" && echo master >expect && @@ -51,21 +49,21 @@ test_expect_success PERL 'custom commands' ' test_cmp expect actual ' -test_expect_success PERL 'custom tool commands override built-ins' ' +test_expect_success 'custom tool commands override built-ins' ' test_config difftool.vimdiff.cmd "cat \"\$REMOTE\"" && echo master >expect && git difftool --tool vimdiff --no-prompt branch >actual && test_cmp expect actual ' -test_expect_success PERL 'difftool ignores bad --tool values' ' +test_expect_success 'difftool ignores bad --tool values' ' : >expect && test_must_fail \ git difftool --no-prompt --tool=bad-tool branch >actual && test_cmp expect actual ' -test_expect_success PERL 'difftool forwards arguments to diff' ' +test_expect_success 'difftool forwards arguments to diff' ' difftool_test_setup && >for-diff && git add for-diff && @@ -78,40 +76,40 @@ test_expect_success PERL 'difftool forwards arguments to diff' ' rm for-diff ' -test_expect_success PERL 'difftool ignores exit code' ' +test_expect_success 'difftool ignores exit code' ' test_config difftool.error.cmd false && git difftool -y -t error branch ' -test_expect_success PERL 'difftool forwards exit code with --trust-exit-code' ' +test_expect_success 'difftool forwards exit code with --trust-exit-code' ' test_config difftool.error.cmd false && test_must_fail git difftool -y --trust-exit-code -t error branch ' -test_expect_success PERL 'difftool forwards exit code with --trust-exit-code for built-ins' ' +test_expect_success 'difftool forwards exit code with --trust-exit-code for built-ins' ' test_config difftool.vimdiff.path false && test_must_fail git difftool -y --trust-exit-code -t vimdiff branch ' -test_expect_success PERL 'difftool honors difftool.trustExitCode = true' ' +test_expect_success 'difftool honors difftool.trustExitCode = true' ' test_config difftool.error.cmd false && test_config difftool.trustExitCode true && test_must_fail git difftool -y -t error branch ' -test_expect_success PERL 'difftool honors difftool.trustExitCode = false' ' +test_expect_success 'difftool honors difftool.trustExitCode = false' ' test_config difftool.error.cmd false && test_config difftool.trustExitCode false && git difftool -y -t error branch ' -test_expect_success PERL 'difftool ignores exit code with --no-trust-exit-code' ' +test_expect_success 'difftool ignores exit code with --no-trust-exit-code' ' test_config difftool.error.cmd false && test_config difftool.trustExitCode true && git difftool -y --no-trust-exit-code -t error branch ' -test_expect_success PERL 'difftool stops on error with --trust-exit-code' ' +test_expect_success 'difftool stops on error with --trust-exit-code' ' test_when_finished "rm -f for-diff .git/fail-right-file" && test_when_finished "git reset -- for-diff" && write_script .git/fail-right-file <<-\EOF && @@ -126,13 +124,13 @@ test_expect_success PERL 'difftool stops on error with --trust-exit-code' ' test_cmp expect actual ' -test_expect_success PERL 'difftool honors exit status if command not found' ' +test_expect_success 'difftool honors exit status if command not found' ' test_config difftool.nonexistent.cmd i-dont-exist && test_config difftool.trustExitCode false && test_must_fail git difftool -y -t nonexistent branch ' -test_expect_success PERL 'difftool honors --gui' ' +test_expect_success 'difftool honors --gui' ' difftool_test_setup && test_config merge.tool bogus-tool && test_config diff.tool bogus-tool && @@ -143,7 +141,7 @@ test_expect_success PERL 'difftool honors --gui' ' test_cmp expect actual ' -test_expect_success PERL 'difftool --gui last setting wins' ' +test_expect_success 'difftool --gui last setting wins' ' difftool_test_setup && : >expect && git difftool --no-prompt --gui --no-gui >actual && @@ -157,7 +155,7 @@ test_expect_success PERL 'difftool --gui last setting wins' ' test_cmp expect actual ' -test_expect_success PERL 'difftool --gui works without configured diff.guitool' ' +test_expect_success 'difftool --gui works without configured diff.guitool' ' difftool_test_setup && echo branch >expect && git difftool --no-prompt --gui branch >actual && @@ -165,7 +163,7 @@ test_expect_success PERL 'difftool --gui works without configured diff.guitool' ' # Specify the diff tool using $GIT_DIFF_TOOL -test_expect_success PERL 'GIT_DIFF_TOOL variable' ' +test_expect_success 'GIT_DIFF_TOOL variable' ' difftool_test_setup && git config --unset diff.tool && echo branch >expect && @@ -175,7 +173,7 @@ test_expect_success PERL 'GIT_DIFF_TOOL variable' ' # Test the $GIT_*_TOOL variables and ensure # that $GIT_DIFF_TOOL always wins unless --tool is specified -test_expect_success PERL 'GIT_DIFF_TOOL overrides' ' +test_expect_success 'GIT_DIFF_TOOL overrides' ' difftool_test_setup && test_config diff.tool bogus-tool && test_config merge.tool bogus-tool && @@ -193,7 +191,7 @@ test_expect_success PERL 'GIT_DIFF_TOOL overrides' ' # Test that we don't have to pass --no-prompt to difftool # when $GIT_DIFFTOOL_NO_PROMPT is true -test_expect_success PERL 'GIT_DIFFTOOL_NO_PROMPT variable' ' +test_expect_success 'GIT_DIFFTOOL_NO_PROMPT variable' ' difftool_test_setup && echo branch >expect && GIT_DIFFTOOL_NO_PROMPT=true git difftool branch >actual && @@ -202,7 +200,7 @@ test_expect_success PERL 'GIT_DIFFTOOL_NO_PROMPT variable' ' # git-difftool supports the difftool.prompt variable. # Test that GIT_DIFFTOOL_PROMPT can override difftool.prompt = false -test_expect_success PERL 'GIT_DIFFTOOL_PROMPT variable' ' +test_expect_success 'GIT_DIFFTOOL_PROMPT variable' ' difftool_test_setup && test_config difftool.prompt false && echo >input && @@ -212,7 +210,7 @@ test_expect_success PERL 'GIT_DIFFTOOL_PROMPT variable' ' ' # Test that we don't have to pass --no-prompt when difftool.prompt is false -test_expect_success PERL 'difftool.prompt config variable is false' ' +test_expect_success 'difftool.prompt config variable is false' ' difftool_test_setup && test_config difftool.prompt false && echo branch >expect && @@ -221,7 +219,7 @@ test_expect_success PERL 'difftool.prompt config variable is false' ' ' # Test that we don't have to pass --no-prompt when mergetool.prompt is false -test_expect_success PERL 'difftool merge.prompt = false' ' +test_expect_success 'difftool merge.prompt = false' ' difftool_test_setup && test_might_fail git config --unset difftool.prompt && test_config mergetool.prompt false && @@ -231,7 +229,7 @@ test_expect_success PERL 'difftool merge.prompt = false' ' ' # Test that the -y flag can override difftool.prompt = true -test_expect_success PERL 'difftool.prompt can overridden with -y' ' +test_expect_success 'difftool.prompt can overridden with -y' ' difftool_test_setup && test_config difftool.prompt true && echo branch >expect && @@ -240,7 +238,7 @@ test_expect_success PERL 'difftool.prompt can overridden with -y' ' ' # Test that the --prompt flag can override difftool.prompt = false -test_expect_success PERL 'difftool.prompt can overridden with --prompt' ' +test_expect_success 'difftool.prompt can overridden with --prompt' ' difftool_test_setup && test_config difftool.prompt false && echo >input && @@ -250,7 +248,7 @@ test_expect_success PERL 'difftool.prompt can overridden with --prompt' ' ' # Test that the last flag passed on the command-line wins -test_expect_success PERL 'difftool last flag wins' ' +test_expect_success 'difftool last flag wins' ' difftool_test_setup && echo branch >expect && git difftool --prompt --no-prompt branch >actual && @@ -263,7 +261,7 @@ test_expect_success PERL 'difftool last flag wins' ' # git-difftool falls back to git-mergetool config variables # so test that behavior here -test_expect_success PERL 'difftool + mergetool config variables' ' +test_expect_success 'difftool + mergetool config variables' ' test_config merge.tool test-tool && test_config mergetool.test-tool.cmd "cat \$LOCAL" && echo branch >expect && @@ -277,49 +275,49 @@ test_expect_success PERL 'difftool + mergetool config variables' ' test_cmp expect actual ' -test_expect_success PERL 'difftool.<tool>.path' ' +test_expect_success 'difftool.<tool>.path' ' test_config difftool.tkdiff.path echo && git difftool --tool=tkdiff --no-prompt branch >output && lines=$(grep file output | wc -l) && test "$lines" -eq 1 ' -test_expect_success PERL 'difftool --extcmd=cat' ' +test_expect_success 'difftool --extcmd=cat' ' echo branch >expect && echo master >>expect && git difftool --no-prompt --extcmd=cat branch >actual && test_cmp expect actual ' -test_expect_success PERL 'difftool --extcmd cat' ' +test_expect_success 'difftool --extcmd cat' ' echo branch >expect && echo master >>expect && git difftool --no-prompt --extcmd=cat branch >actual && test_cmp expect actual ' -test_expect_success PERL 'difftool -x cat' ' +test_expect_success 'difftool -x cat' ' echo branch >expect && echo master >>expect && git difftool --no-prompt -x cat branch >actual && test_cmp expect actual ' -test_expect_success PERL 'difftool --extcmd echo arg1' ' +test_expect_success 'difftool --extcmd echo arg1' ' echo file >expect && git difftool --no-prompt \ --extcmd sh\ -c\ \"echo\ \$1\" branch >actual && test_cmp expect actual ' -test_expect_success PERL 'difftool --extcmd cat arg1' ' +test_expect_success 'difftool --extcmd cat arg1' ' echo master >expect && git difftool --no-prompt \ --extcmd sh\ -c\ \"cat\ \$1\" branch >actual && test_cmp expect actual ' -test_expect_success PERL 'difftool --extcmd cat arg2' ' +test_expect_success 'difftool --extcmd cat arg2' ' echo branch >expect && git difftool --no-prompt \ --extcmd sh\ -c\ \"cat\ \$2\" branch >actual && @@ -327,7 +325,7 @@ test_expect_success PERL 'difftool --extcmd cat arg2' ' ' # Create a second file on master and a different version on branch -test_expect_success PERL 'setup with 2 files different' ' +test_expect_success 'setup with 2 files different' ' echo m2 >file2 && git add file2 && git commit -m "added file2" && @@ -339,7 +337,7 @@ test_expect_success PERL 'setup with 2 files different' ' git checkout master ' -test_expect_success PERL 'say no to the first file' ' +test_expect_success 'say no to the first file' ' (echo n && echo) >input && git difftool -x cat branch <input >output && grep m2 output && @@ -348,7 +346,7 @@ test_expect_success PERL 'say no to the first file' ' ! grep branch output ' -test_expect_success PERL 'say no to the second file' ' +test_expect_success 'say no to the second file' ' (echo && echo n) >input && git difftool -x cat branch <input >output && grep master output && @@ -357,7 +355,7 @@ test_expect_success PERL 'say no to the second file' ' ! grep br2 output ' -test_expect_success PERL 'ending prompt input with EOF' ' +test_expect_success 'ending prompt input with EOF' ' git difftool -x cat branch </dev/null >output && ! grep master output && ! grep branch output && @@ -365,12 +363,12 @@ test_expect_success PERL 'ending prompt input with EOF' ' ! grep br2 output ' -test_expect_success PERL 'difftool --tool-help' ' +test_expect_success 'difftool --tool-help' ' git difftool --tool-help >output && grep tool output ' -test_expect_success PERL 'setup change in subdirectory' ' +test_expect_success 'setup change in subdirectory' ' git checkout master && mkdir sub && echo master >sub/sub && @@ -384,11 +382,11 @@ test_expect_success PERL 'setup change in subdirectory' ' ' run_dir_diff_test () { - test_expect_success PERL "$1 --no-symlinks" " + test_expect_success "$1 --no-symlinks" " symlinks=--no-symlinks && $2 " - test_expect_success PERL,SYMLINKS "$1 --symlinks" " + test_expect_success SYMLINKS "$1 --symlinks" " symlinks=--symlinks && $2 " @@ -510,7 +508,7 @@ do done >actual EOF -test_expect_success PERL,SYMLINKS 'difftool --dir-diff --symlink without unstaged changes' ' +test_expect_success SYMLINKS 'difftool --dir-diff --symlink without unstaged changes' ' cat >expect <<-EOF && file $PWD/file @@ -547,7 +545,7 @@ write_script modify-file <<\EOF echo "new content" >file EOF -test_expect_success PERL 'difftool --no-symlinks does not overwrite working tree file ' ' +test_expect_success 'difftool --no-symlinks does not overwrite working tree file ' ' echo "orig content" >file && git difftool --dir-diff --no-symlinks --extcmd "$PWD/modify-file" branch && echo "new content" >expect && @@ -560,7 +558,7 @@ echo "tmp content" >"$2/file" && echo "$2" >tmpdir EOF -test_expect_success PERL 'difftool --no-symlinks detects conflict ' ' +test_expect_success 'difftool --no-symlinks detects conflict ' ' ( TMPDIR=$TRASH_DIRECTORY && export TMPDIR && @@ -573,7 +571,7 @@ test_expect_success PERL 'difftool --no-symlinks detects conflict ' ' ) ' -test_expect_success PERL 'difftool properly honors gitlink and core.worktree' ' +test_expect_success 'difftool properly honors gitlink and core.worktree' ' git submodule add ./. submod/ule && test_config -C submod/ule diff.tool checktrees && test_config -C submod/ule difftool.checktrees.cmd '\'' @@ -587,7 +585,7 @@ test_expect_success PERL 'difftool properly honors gitlink and core.worktree' ' ) ' -test_expect_success PERL,SYMLINKS 'difftool --dir-diff symlinked directories' ' +test_expect_success SYMLINKS 'difftool --dir-diff symlinked directories' ' git init dirlinks && ( cd dirlinks &&
-- 2.11.0.windows.3