diff options
| -rw-r--r-- | Documentation/config.txt | 3 | ||||
| -rw-r--r-- | Documentation/git-difftool.txt | 10 | ||||
| -rwxr-xr-x | git-difftool--helper.sh | 10 | ||||
| -rwxr-xr-x | git-difftool.perl | 15 | ||||
| -rwxr-xr-x | t/t7800-difftool.sh | 64 |
5 files changed, 96 insertions, 6 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt index 94ef1a62f..d427dafb4 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -685,6 +685,9 @@ difftool.<tool>.cmd:: is set to the name of the temporary file containing the contents of the diff post-image. +difftool.prompt:: + Prompt before each invocation of the diff tool. + diff.wordRegex:: A POSIX Extended Regular Expression used to determine what is a "word" when performing word-by-word difference calculations. Character diff --git a/Documentation/git-difftool.txt b/Documentation/git-difftool.txt index af68466eb..15b247bab 100644 --- a/Documentation/git-difftool.txt +++ b/Documentation/git-difftool.txt @@ -7,7 +7,7 @@ git-difftool - Show changes using common diff tools SYNOPSIS -------- -'git difftool' [--tool=<tool>] [-y|--no-prompt] [<'git diff' options>] +'git difftool' [--tool=<tool>] [-y|--no-prompt|--prompt] [<'git diff' options>] DESCRIPTION ----------- @@ -21,6 +21,11 @@ OPTIONS --no-prompt:: Do not prompt before launching a diff tool. +--prompt:: + Prompt before each invocation of the diff tool. + This is the default behaviour; the option is provided to + override any configuration settings. + -t <tool>:: --tool=<tool>:: Use the diff tool specified by <tool>. @@ -72,6 +77,9 @@ difftool.<tool>.cmd:: + See the `--tool=<tool>` option above for more details. +difftool.prompt:: + Prompt before each invocation of the diff tool. + SEE ALSO -------- linkgit:git-diff[1]:: diff --git a/git-difftool--helper.sh b/git-difftool--helper.sh index fc61416ac..f3c27d86a 100755 --- a/git-difftool--helper.sh +++ b/git-difftool--helper.sh @@ -5,9 +5,15 @@ # # Copyright (c) 2009 David Aguilar -# Set GIT_DIFFTOOL_NO_PROMPT to bypass the per-file prompt. +# difftool.prompt controls the default prompt/no-prompt behavior +# and is overridden with $GIT_DIFFTOOL*_PROMPT. should_prompt () { - test -z "$GIT_DIFFTOOL_NO_PROMPT" + prompt=$(git config --bool difftool.prompt || echo true) + if test "$prompt" = true; then + test -z "$GIT_DIFFTOOL_NO_PROMPT" + else + test -n "$GIT_DIFFTOOL_PROMPT" + fi } # This function prepares temporary files and launches the appropriate diff --git a/git-difftool.perl b/git-difftool.perl index 8857ac8a4..948ff7f6f 100755 --- a/git-difftool.perl +++ b/git-difftool.perl @@ -2,9 +2,12 @@ # Copyright (c) 2009 David Aguilar # # This is a wrapper around the GIT_EXTERNAL_DIFF-compatible -# git-difftool--helper script. This script exports -# GIT_EXTERNAL_DIFF and GIT_PAGER for use by git, and -# GIT_DIFFTOOL_NO_PROMPT and GIT_DIFF_TOOL for use by git-difftool--helper. +# git-difftool--helper script. +# +# This script exports GIT_EXTERNAL_DIFF and GIT_PAGER for use by git. +# GIT_DIFFTOOL_NO_PROMPT, GIT_DIFFTOOL_PROMPT, and GIT_DIFF_TOOL +# are exported for use by git-difftool--helper. +# # Any arguments that are unknown to this script are forwarded to 'git diff'. use strict; @@ -62,6 +65,12 @@ sub generate_command } if ($arg eq '-y' || $arg eq '--no-prompt') { $ENV{GIT_DIFFTOOL_NO_PROMPT} = 'true'; + delete $ENV{GIT_DIFFTOOL_PROMPT}; + next; + } + if ($arg eq '--prompt') { + $ENV{GIT_DIFFTOOL_PROMPT} = 'true'; + delete $ENV{GIT_DIFFTOOL_NO_PROMPT}; next; } if ($arg eq '-h' || $arg eq '--help') { diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh index 269922655..2586f864a 100755 --- a/t/t7800-difftool.sh +++ b/t/t7800-difftool.sh @@ -15,6 +15,7 @@ remove_config_vars() # Unset all config variables used by git-difftool git config --unset diff.tool git config --unset difftool.test-tool.cmd + git config --unset difftool.prompt git config --unset merge.tool git config --unset mergetool.test-tool.cmd return 0 @@ -26,11 +27,18 @@ restore_test_defaults() remove_config_vars unset GIT_DIFF_TOOL unset GIT_MERGE_TOOL + unset GIT_DIFFTOOL_PROMPT unset GIT_DIFFTOOL_NO_PROMPT git config diff.tool test-tool && git config difftool.test-tool.cmd 'cat $LOCAL' } +prompt_given() +{ + prompt="$1" + test "$prompt" = "Hit return to launch 'test-tool': branch" +} + # Create a file on master and change it on branch test_expect_success 'setup' ' echo master >file && @@ -116,6 +124,62 @@ test_expect_success 'GIT_DIFFTOOL_NO_PROMPT variable' ' restore_test_defaults ' +# git-difftool supports the difftool.prompt variable. +# Test that GIT_DIFFTOOL_PROMPT can override difftool.prompt = false +test_expect_success 'GIT_DIFFTOOL_PROMPT variable' ' + git config difftool.prompt false && + GIT_DIFFTOOL_PROMPT=true && + export GIT_DIFFTOOL_PROMPT && + + prompt=$(echo | git difftool --prompt branch | tail -1) && + prompt_given "$prompt" && + + restore_test_defaults +' + +# Test that we don't have to pass --no-prompt when difftool.prompt is false +test_expect_success 'difftool.prompt config variable is false' ' + git config difftool.prompt false && + + diff=$(git difftool branch) && + test "$diff" = "branch" && + + restore_test_defaults +' + +# Test that the -y flag can override difftool.prompt = true +test_expect_success 'difftool.prompt can overridden with -y' ' + git config difftool.prompt true && + + diff=$(git difftool -y branch) && + test "$diff" = "branch" && + + restore_test_defaults +' + +# Test that the --prompt flag can override difftool.prompt = false +test_expect_success 'difftool.prompt can overridden with --prompt' ' + git config difftool.prompt false && + + prompt=$(echo | git difftool --prompt branch | tail -1) && + prompt_given "$prompt" && + + restore_test_defaults +' + +# Test that the last flag passed on the command-line wins +test_expect_success 'difftool last flag wins' ' + diff=$(git difftool --prompt --no-prompt branch) && + test "$diff" = "branch" && + + restore_test_defaults && + + prompt=$(echo | git difftool --no-prompt --prompt branch | tail -1) && + prompt_given "$prompt" && + + restore_test_defaults +' + # git-difftool falls back to git-mergetool config variables # so test that behavior here test_expect_success 'difftool + mergetool config variables' ' |