Thread (7 messages) flat view 7 messages, 4 authors, 2016-06-15
STALE3731d

[PATCH] git-mergetool--lib.sh: fix mergetool.<tool>.* configurations ignored for known tools

From: Sylvain Rabot <hidden>
Date: 2016-06-15 22:48:55
Subsystem: the rest · Maintainer: Linus Torvalds

At this time when you define merge.tool with a known tool,
such as meld, p4merge, diffuse ... etc, mergetool.<tool>.*
configurations are ignored and git mergetool will use its
own templates.

This patch adds a detection for mergetool.<tool>.cmd configuration
in the run_merge_tool function. If the configuration is set, it will
try to run the tool with mergetool.<tool>.path if its set. It also
consider the mergetool.<tool>.trustExitCode configuration.

Signed-off-by: Sylvain Rabot <redacted>
---
 git-mergetool--lib.sh |   60 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 60 insertions(+), 0 deletions(-)
diff --git a/git-mergetool--lib.sh b/git-mergetool--lib.sh
index 51dd0d6..2a58d88 100644
--- a/git-mergetool--lib.sh
+++ b/git-mergetool--lib.sh
@@ -84,9 +84,69 @@ get_merge_tool_cmd () {
 
 run_merge_tool () {
 	merge_tool_path="$(get_merge_tool_path "$1")" || exit
+	merge_tool_cmd="$(get_merge_tool_cmd "$1")"
+	merge_tool_cmd_base="$(echo $merge_tool_cmd | cut -f1 -d " ")"
 	base_present="$2"
 	status=0
 
+	# if mergetool.<tool>.cmd is set we execute it, not a template
+	if test -n "$merge_tool_cmd"; then
+		# mergetool.<tool>.path is empty
+		if test -z "$merge_tool_path"; then
+			# mergetool.<tool>.cmd not found
+			if ! $(which "$merge_tool_cmd_base" > /dev/null 2>&1); then
+				echo >&2 "Configuration mergetool.$1.cmd \"$merge_tool_cmd_base\" not found"
+				exit 1
+			else
+				merge_cmd="$merge_tool_path/$merge_tool_cmd"
+			fi
+		# mergetool.<tool>.path is a path
+		elif test -d "$merge_tool_path"; then
+			# mergetool.<tool>.cmd not found
+			if !test -f "$merge_tool_path/$merge_tool_cmd_base"; then
+				echo >&2 "Configuration mergetool.$1.cmd \"$(echo "$merge_tool_path/$merge_tool_cmd_base" | sed 's#//\+#/#')\" not found"
+				exit 1
+			# mergetool.<tool>.cmd not executable
+			elif !test -x "$merge_tool_path/$merge_tool_cmd_base"; then
+				echo >&2 "Configuration mergetool.$1.cmd \"$(echo "$merge_tool_path/$merge_tool_cmd_base" | sed 's#//\+#/#')\" is not executable"
+				exit 1
+			# tool ok
+			else
+				merge_cmd="$merge_tool_path/$merge_tool_cmd"
+			fi
+		# mergetool.<tool>.path is the same as mergetool.<tool>.cmd
+		elif test "$merge_tool_path" = "$merge_tool_cmd_base"; then
+			# mergetool.<tool>.cmd not found
+			if ! $(which "$merge_tool_cmd_base" > /dev/null 2>&1); then
+				echo >&2 "Configuration mergetool.$1.cmd \"$merge_tool_cmd_base\" not found"
+				exit 1
+			else
+				merge_cmd="$merge_tool_cmd"
+			fi
+		# mergetool.<tool>.path is the tool itself
+		elif $(which "$merge_tool_path" > /dev/null 2>&1); then
+			merge_cmd="$merge_tool_path $merge_tool_cmd"
+		# mergetool.<tool>.path invalid
+		else
+			echo >&2 "Configuration mergetool.$1.path \"$merge_tool_path\" is not valid path"
+			exit 1
+		fi
+
+		# trust exit code
+		trust_exit_code="$(git config --bool mergetool."$1".trustExitCode || echo false)"
+
+		if test "$trust_exit_code" = "false"; then
+			touch "$BACKUP"
+			(eval "$merge_cmd")
+			check_unchanged
+			return $status
+		else
+			(eval "$merge_cmd")
+			status=$?
+			return $status
+		fi
+	fi
+
 	case "$1" in
 	kdiff3)
 		if merge_mode; then
-- 
1.7.1
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