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-rwxr-xr-xcontrib/difftool/git-difftool6
-rwxr-xr-xcontrib/difftool/git-difftool-helper19
-rw-r--r--contrib/difftool/git-difftool.txt30
3 files changed, 32 insertions, 23 deletions
diff --git a/contrib/difftool/git-difftool b/contrib/difftool/git-difftool
index 0cda3d2eea..0deda3a0e4 100755
--- a/contrib/difftool/git-difftool
+++ b/contrib/difftool/git-difftool
@@ -4,7 +4,7 @@
# 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_MERGE_TOOL for use by git-difftool-helper.
+# GIT_DIFFTOOL_NO_PROMPT and GIT_DIFF_TOOL for use by git-difftool-helper.
# Any arguments that are unknown to this script are forwarded to 'git diff'.
use strict;
@@ -49,12 +49,12 @@ sub generate_command
}
if ($arg eq '-t' or $arg eq '--tool') {
usage() if $#ARGV <= $idx;
- $ENV{GIT_MERGE_TOOL} = $ARGV[$idx + 1];
+ $ENV{GIT_DIFF_TOOL} = $ARGV[$idx + 1];
$skip_next = 1;
next;
}
if ($arg =~ /^--tool=/) {
- $ENV{GIT_MERGE_TOOL} = substr($arg, 7);
+ $ENV{GIT_DIFF_TOOL} = substr($arg, 7);
next;
}
if ($arg eq '--no-prompt') {
diff --git a/contrib/difftool/git-difftool-helper b/contrib/difftool/git-difftool-helper
index db3af6a833..9c0a13452a 100755
--- a/contrib/difftool/git-difftool-helper
+++ b/contrib/difftool/git-difftool-helper
@@ -128,8 +128,10 @@ launch_merge_tool () {
cleanup_temp_files
}
-# Verifies that mergetool.<tool>.cmd exists
+# Verifies that (difftool|mergetool).<tool>.cmd exists
valid_custom_tool() {
+ merge_tool_cmd="$(git config difftool.$1.cmd)"
+ test -z "$merge_tool_cmd" &&
merge_tool_cmd="$(git config mergetool.$1.cmd)"
test -n "$merge_tool_cmd"
}
@@ -150,8 +152,11 @@ valid_tool() {
}
# Sets up the merge_tool_path variable.
-# This handles the mergetool.<tool>.path configuration.
+# This handles the difftool.<tool>.path configuration.
+# This also falls back to mergetool defaults.
init_merge_tool_path() {
+ merge_tool_path=$(git config difftool."$1".path)
+ test -z "$merge_tool_path" &&
merge_tool_path=$(git config mergetool."$1".path)
if test -z "$merge_tool_path"; then
case "$1" in
@@ -165,15 +170,19 @@ init_merge_tool_path() {
fi
}
-# Allow the GIT_MERGE_TOOL variable to provide a default value
+# Allow GIT_DIFF_TOOL and GIT_MERGE_TOOL to provide default values
test -n "$GIT_MERGE_TOOL" && merge_tool="$GIT_MERGE_TOOL"
+test -n "$GIT_DIFF_TOOL" && merge_tool="$GIT_DIFF_TOOL"
-# If not merge tool was specified then use the merge.tool
+# If merge tool was not specified then use the diff.tool
# configuration variable. If that's invalid then reset merge_tool.
+# Fallback to merge.tool.
if test -z "$merge_tool"; then
+ merge_tool=$(git config diff.tool)
+ test -z "$merge_tool" &&
merge_tool=$(git config merge.tool)
if test -n "$merge_tool" && ! valid_tool "$merge_tool"; then
- echo >&2 "git config option merge.tool set to unknown tool: $merge_tool"
+ echo >&2 "git config option diff.tool set to unknown tool: $merge_tool"
echo >&2 "Resetting to default..."
unset merge_tool
fi
diff --git a/contrib/difftool/git-difftool.txt b/contrib/difftool/git-difftool.txt
index 6e2610cda6..2b7bc03ec3 100644
--- a/contrib/difftool/git-difftool.txt
+++ b/contrib/difftool/git-difftool.txt
@@ -32,23 +32,23 @@ OPTIONS
vimdiff, gvimdiff, ecmerge, and opendiff
+
If a merge resolution program is not specified, 'git-difftool'
-will use the configuration variable `merge.tool`. If the
-configuration variable `merge.tool` is not set, 'git difftool'
+will use the configuration variable `diff.tool`. If the
+configuration variable `diff.tool` is not set, 'git-difftool'
will pick a suitable default.
+
You can explicitly provide a full path to the tool by setting the
-configuration variable `mergetool.<tool>.path`. For example, you
+configuration variable `difftool.<tool>.path`. For example, you
can configure the absolute path to kdiff3 by setting
-`mergetool.kdiff3.path`. Otherwise, 'git-difftool' assumes the
+`difftool.kdiff3.path`. Otherwise, 'git-difftool' assumes the
tool is available in PATH.
+
Instead of running one of the known merge tool programs,
'git-difftool' can be customized to run an alternative program
by specifying the command line to invoke in a configuration
-variable `mergetool.<tool>.cmd`.
+variable `difftool.<tool>.cmd`.
+
When 'git-difftool' is invoked with this tool (either through the
-`-t` or `--tool` option or the `merge.tool` configuration variable)
+`-t` or `--tool` option or the `diff.tool` configuration variable)
the configured command line will be invoked with the following
variables available: `$LOCAL` is set to the name of the temporary
file containing the contents of the diff pre-image and `$REMOTE`
@@ -61,24 +61,24 @@ with custom merge tool commands and has the same value as `$LOCAL`.
CONFIG VARIABLES
----------------
-merge.tool::
- The default merge tool to use.
-+
-See the `--tool=<tool>` option above for more details.
+'git-difftool' falls back to 'git-mergetool' config variables when the
+difftool equivalents have not been defined.
-merge.keepBackup::
- The original, unedited file content can be saved to a file with
- a `.orig` extension. Defaults to `true` (i.e. keep the backup files).
+diff.tool::
+ The default merge tool to use.
-mergetool.<tool>.path::
+difftool.<tool>.path::
Override the path for the given tool. This is useful in case
your tool is not in the PATH.
-mergetool.<tool>.cmd::
+difftool.<tool>.cmd::
Specify the command to invoke the specified merge tool.
+
See the `--tool=<tool>` option above for more details.
+merge.keepBackup::
+ The original, unedited file content can be saved to a file with
+ a `.orig` extension. Defaults to `true` (i.e. keep the backup files).
SEE ALSO
--------