difftool now supports difftool.prompt so that users do not have to
pass --no-prompt or hit enter each time a diff tool is launched.
The --prompt flag overrides the configuration variable.
Signed-off-by: David Aguilar <davvid@xxxxxxxxx>
---
This one had to be resent since rewriting #9 would
have caused a conflict in here.
Documentation/config.txt | 3 ++
Documentation/git-difftool.txt | 10 +++++-
git-difftool--helper.sh | 10 +++++-
git-difftool.perl | 15 +++++++--
t/t7800-difftool.sh | 64 ++++++++++++++++++++++++++++++++++++++++
5 files changed, 96 insertions(+), 6 deletions(-)
diff --git a/Documentation/config.txt b/Documentation/config.txt
index e8ff0be..6e29623 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -684,6 +684,9 @@ 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 af68466..15b247b 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 fc61416..f3c27d8 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 8857ac8..948ff7f 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 85946d9..0b263ea 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' '
--
1.6.2.2.414.g81aa9
--
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