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-rwxr-xr-xgit-difftool--helper.sh38
1 files changed, 25 insertions, 13 deletions
diff --git a/git-difftool--helper.sh b/git-difftool--helper.sh
index 57e8e3256d..524f5ea8ab 100755
--- a/git-difftool--helper.sh
+++ b/git-difftool--helper.sh
@@ -3,16 +3,16 @@
# This script is typically launched by using the 'git difftool'
# convenience command.
#
-# Copyright (c) 2009 David Aguilar
+# Copyright (c) 2009, 2010 David Aguilar
-# Load common functions from git-mergetool--lib
TOOL_MODE=diff
. git-mergetool--lib
# difftool.prompt controls the default prompt/no-prompt behavior
# and is overridden with $GIT_DIFFTOOL*_PROMPT.
should_prompt () {
- prompt=$(git config --bool difftool.prompt || echo true)
+ prompt_merge=$(git config --bool mergetool.prompt || echo true)
+ prompt=$(git config --bool difftool.prompt || echo $prompt_merge)
if test "$prompt" = true; then
test -z "$GIT_DIFFTOOL_NO_PROMPT"
else
@@ -20,7 +20,11 @@ should_prompt () {
fi
}
-# Sets up shell variables and runs a merge tool
+# Indicates that --extcmd=... was specified
+use_ext_cmd () {
+ test -n "$GIT_DIFFTOOL_EXTCMD"
+}
+
launch_merge_tool () {
# Merged is the filename as it appears in the work tree
# Local is the contents of a/filename
@@ -35,20 +39,28 @@ launch_merge_tool () {
# the user with the real $MERGED name before launching $merge_tool.
if should_prompt; then
printf "\nViewing: '$MERGED'\n"
- printf "Hit return to launch '%s': " "$merge_tool"
+ if use_ext_cmd; then
+ printf "Hit return to launch '%s': " \
+ "$GIT_DIFFTOOL_EXTCMD"
+ else
+ printf "Hit return to launch '%s': " "$merge_tool"
+ fi
read ans
fi
- # Run the appropriate merge tool command
- run_merge_tool "$merge_tool"
+ if use_ext_cmd; then
+ eval $GIT_DIFFTOOL_EXTCMD '"$LOCAL"' '"$REMOTE"'
+ else
+ run_merge_tool "$merge_tool"
+ fi
}
-# 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 test -z "$merge_tool"; then
- merge_tool="$(get_merge_tool)" || exit
+if ! use_ext_cmd; then
+ if test -n "$GIT_DIFF_TOOL"; then
+ merge_tool="$GIT_DIFF_TOOL"
+ else
+ merge_tool="$(get_merge_tool)" || exit
+ fi
fi
# Launch the merge tool on each path provided by 'git diff'