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From: David Aguilar <davvid@gmail.com>
To: gitster@pobox.com, charles@hashpling.org
Cc: git@vger.kernel.org, David Aguilar <davvid@gmail.com>
Subject: [PATCH 08/10] mergetool-lib: introduce run_mergetool
Date: Wed,  1 Apr 2009 05:55:12 -0700	[thread overview]
Message-ID: <1238590514-41893-9-git-send-email-davvid@gmail.com> (raw)
In-Reply-To: <1238590514-41893-8-git-send-email-davvid@gmail.com>

run_mergetool contains the common functionality for launching
mergetools.  There's some context-specific behavior but overall
it's better to have all of this stuff in one place versus multiple
places.

Signed-off-by: David Aguilar <davvid@gmail.com>
---
 Documentation/git-mergetool-lib.txt |    4 +
 git-mergetool-lib.sh                |  141 +++++++++++++++++++++++++++++++++++
 2 files changed, 145 insertions(+), 0 deletions(-)

diff --git a/Documentation/git-mergetool-lib.txt b/Documentation/git-mergetool-lib.txt
index a8d62f5..3060673 100644
--- a/Documentation/git-mergetool-lib.txt
+++ b/Documentation/git-mergetool-lib.txt
@@ -29,6 +29,10 @@ FUNCTIONS
 get_merge_tool_path::
 	returns the `merge_tool_path` for a `merge_tool`.
 
+run_mergetool::
+	launches a merge tool given the tool name and a true/false
+	flag to indicate whether a merge base is present
+
 Author
 ------
 Written by David Aguilar <davvid@gmail.com>
diff --git a/git-mergetool-lib.sh b/git-mergetool-lib.sh
index c307a5d..9c26b5f 100644
--- a/git-mergetool-lib.sh
+++ b/git-mergetool-lib.sh
@@ -3,7 +3,12 @@ diff_mode() {
 	test $TOOL_MODE = "diff"
 }
 
+merge_mode() {
+	test $TOOL_MODE = "merge"
+}
+
 get_merge_tool_path () {
+	path="$1"
 	if test -z "$2"; then
 		case "$1" in
 		emerge)
@@ -17,6 +22,11 @@ get_merge_tool_path () {
 	echo "$path"
 }
 
+# Overridden in git-mergetool
+check_unchanged () {
+	true
+}
+
 valid_tool () {
 	case "$1" in
 	kdiff3 | kompare | tkdiff | xxdiff | meld | opendiff | emerge | vimdiff | gvimdiff | ecmerge)
@@ -39,3 +49,134 @@ get_custom_cmd () {
 	test -n "$custom_cmd" &&
 	echo "$custom_cmd"
 }
+
+run_mergetool () {
+	base_present="$2"
+	if diff_mode; then
+		base_present="false"
+	fi
+	if test -z "$base_present"; then
+		base_present="true"
+	fi
+
+	case "$1" in
+	kdiff3)
+		if $base_present; then
+			("$merge_tool_path" --auto \
+			 --L1 "$MERGED (Base)" --L2 "$MERGED (Local)" --L3 "$MERGED (Remote)" \
+			 -o "$MERGED" "$BASE" "$LOCAL" "$REMOTE" > /dev/null 2>&1)
+		else
+			("$merge_tool_path" --auto \
+			 --L1 "$MERGED (Local)" --L2 "$MERGED (Remote)" \
+			 -o "$MERGED" "$LOCAL" "$REMOTE" > /dev/null 2>&1)
+		fi
+		status=$?
+		;;
+	kompare)
+		"$merge_tool_path" "$LOCAL" "$REMOTE"
+		status=$?
+		;;
+	tkdiff)
+		if $base_present; then
+			"$merge_tool_path" -a "$BASE" -o "$MERGED" "$LOCAL" "$REMOTE"
+		else
+			if diff_mode; then
+				"$merge_tool_path" "$LOCAL" "$REMOTE"
+			else
+				"$merge_tool_path" -o "$MERGED" "$LOCAL" "$REMOTE"
+			fi
+		fi
+		status=$?
+		;;
+	meld)
+		merge_mode && touch "$BACKUP"
+		if merge_mode; then
+			"$merge_tool_path" "$LOCAL" "$MERGED" "$REMOTE"
+		else
+			"$merge_tool_path" "$LOCAL" "$REMOTE"
+		fi
+		check_unchanged
+		;;
+	vimdiff)
+		if merge_mode; then
+			touch "$BACKUP"
+			"$merge_tool_path" -c "wincmd l" "$LOCAL" "$MERGED" "$REMOTE"
+			check_unchanged
+		else
+			"$merge_tool_path" -c "wincmd l" "$LOCAL" "$REMOTE"
+		fi
+		;;
+	gvimdiff)
+		if merge_mode; then
+			touch "$BACKUP"
+			"$merge_tool_path" -c "wincmd l" -f "$LOCAL" "$MERGED" "$REMOTE"
+			check_unchanged
+		else
+			"$merge_tool_path" -c "wincmd l" -f "$LOCAL" "$REMOTE"
+		fi
+		;;
+	xxdiff)
+		merge_mode && touch "$BACKUP"
+		if $base_present; then
+			"$merge_tool_path" -X --show-merged-pane \
+			    -R 'Accel.SaveAsMerged: "Ctrl-S"' \
+			    -R 'Accel.Search: "Ctrl+F"' \
+			    -R 'Accel.SearchForward: "Ctrl-G"' \
+			    --merged-file "$MERGED" "$LOCAL" "$BASE" "$REMOTE"
+		else
+			merge_mode && extra=--show-merged-pane
+			"$merge_tool_path" -X $extra \
+				-R 'Accel.SaveAsMerged: "Ctrl-S"' \
+				-R 'Accel.Search: "Ctrl+F"' \
+				-R 'Accel.SearchForward: "Ctrl-G"' \
+				--merged-file "$MERGED" "$LOCAL" "$REMOTE"
+		fi
+		check_unchanged
+		;;
+	opendiff)
+		merge_mode && touch "$BACKUP"
+		if $base_present; then
+			"$merge_tool_path" "$LOCAL" "$REMOTE" \
+				-ancestor "$BASE" -merge "$MERGED" | cat
+		else
+			"$merge_tool_path" "$LOCAL" "$REMOTE" \
+				-merge "$MERGED" | cat
+		fi
+		check_unchanged
+		;;
+	ecmerge)
+		merge_mode && touch "$BACKUP"
+		if $base_present; then
+			"$merge_tool_path" "$BASE" "$LOCAL" "$REMOTE" \
+				--default --mode=merge3 --to="$MERGED"
+		else
+			"$merge_tool_path" "$LOCAL" "$REMOTE" \
+				--default --mode=merge2 --to="$MERGED"
+		fi
+		check_unchanged
+		;;
+	emerge)
+		if $base_present; then
+			"$merge_tool_path" -f emerge-files-with-ancestor-command \
+				"$LOCAL" "$REMOTE" "$BASE" "$(basename "$MERGED")"
+		else
+			"$merge_tool_path" -f emerge-files-command \
+				"$LOCAL" "$REMOTE" "$(basename "$MERGED")"
+		fi
+		status=$?
+		;;
+	*)
+		if test -n "$merge_tool_cmd"; then
+			if merge_mode &&
+			test "$merge_tool_trust_exit_code" = "false"; then
+				touch "$BACKUP"
+				( eval $merge_tool_cmd )
+				check_unchanged
+			else
+				( eval $merge_tool_cmd )
+				status=$?
+			fi
+		fi
+		;;
+	esac
+}
-- 
1.6.1.3

  reply	other threads:[~2009-04-01 12:58 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-01 12:55 git-{diff,merge} refactor round 2 David Aguilar
2009-04-01 12:55 ` [PATCH 01/10] difftool: add support for a difftool.prompt config variable David Aguilar
2009-04-01 12:55   ` [PATCH 02/10] mergetool: use $( ... ) instead of `backticks` David Aguilar
2009-04-01 12:55     ` [PATCH 03/10] Add a mergetool-lib scriptlet for holding common merge tool functions David Aguilar
2009-04-01 12:55       ` [PATCH 04/10] mergetool: use get_mergetool_path from git-mergetool-lib David Aguilar
2009-04-01 12:55         ` [PATCH 05/10] difftool: " David Aguilar
2009-04-01 12:55           ` [PATCH 06/10] mergetool: use valid_tool " David Aguilar
2009-04-01 12:55             ` [PATCH 07/10] difftool: " David Aguilar
2009-04-01 12:55               ` David Aguilar [this message]
2009-04-01 12:55                 ` [PATCH 09/10] difftool: use run_mergetool " David Aguilar
2009-04-01 12:55                   ` [PATCH 10/10] mergetool: " David Aguilar
2009-04-01 22:54                     ` Markus Heidelberg
2009-04-02 20:02                       ` Charles Bailey
2009-04-02 20:13                         ` Markus Heidelberg
2009-04-02 20:16                           ` Markus Heidelberg
2009-04-03  1:54                           ` David Aguilar
2009-04-01 22:47                 ` [PATCH 08/10] mergetool-lib: introduce run_mergetool Markus Heidelberg
2009-04-01 22:39       ` [PATCH 03/10] Add a mergetool-lib scriptlet for holding common merge tool functions Markus Heidelberg
2009-04-02  3:58         ` David Aguilar
2009-04-02 19:59 ` git-{diff,merge} refactor round 2 Charles Bailey
2009-04-05  2:58 ` Markus Heidelberg
2009-04-05  3:34   ` David Aguilar
2009-04-05  9:45     ` Junio C Hamano
2009-04-05 21:15       ` David Aguilar
2009-04-05 22:15         ` Markus Heidelberg
2009-04-06  0:33           ` Junio C Hamano

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