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authorJohn Keeping <john@keeping.me.uk>2013-06-16 17:51:22 (GMT)
committerJunio C Hamano <gitster@pobox.com>2013-06-17 20:12:55 (GMT)
commitd2512fc94fe75d8836a6fc965951d8180dbddbe6 (patch)
tree6737daabc518221b7760efcee05e6b374e1529a3
parentedca4152560522a431a51fc0a06147fc680b5b18 (diff)
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mergetool--lib: refactor {diff,merge}_cmd logic
Instead of needing a wrapper to call the diff/merge command, simply provide the diff_cmd and merge_cmd functions for user-specified tools in the same way as we do for built-in tools. Signed-off-by: John Keeping <john@keeping.me.uk> Acked-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--git-mergetool--lib.sh82
1 files changed, 35 insertions, 47 deletions
diff --git a/git-mergetool--lib.sh b/git-mergetool--lib.sh
index e338be5..6a72106 100644
--- a/git-mergetool--lib.sh
+++ b/git-mergetool--lib.sh
@@ -114,6 +114,33 @@ valid_tool () {
test -n "$cmd"
}
+setup_user_tool () {
+ merge_tool_cmd=$(get_merge_tool_cmd "$tool")
+ test -n "$merge_tool_cmd" || return 1
+
+ diff_cmd () {
+ ( eval $merge_tool_cmd )
+ status=$?
+ return $status
+ }
+
+ merge_cmd () {
+ trust_exit_code=$(git config --bool \
+ "mergetool.$1.trustExitCode" || echo false)
+ if test "$trust_exit_code" = "false"
+ then
+ touch "$BACKUP"
+ ( eval $merge_tool_cmd )
+ status=$?
+ check_unchanged
+ else
+ ( eval $merge_tool_cmd )
+ status=$?
+ fi
+ return $status
+ }
+}
+
setup_tool () {
tool="$1"
@@ -142,15 +169,15 @@ setup_tool () {
if ! test -f "$MERGE_TOOLS_DIR/$tool"
then
- # Use a special return code for this case since we want to
- # source "defaults" even when an explicit tool path is
- # configured since the user can use that to override the
- # default path in the scriptlet.
- return 2
+ setup_user_tool
+ return $?
fi
# Load the redefined functions
. "$MERGE_TOOLS_DIR/$tool"
+ # Now let the user override the default command for the tool. If
+ # they have not done so then this will return 1 which we ignore.
+ setup_user_tool
if merge_mode && ! can_merge
then
@@ -187,20 +214,7 @@ run_merge_tool () {
status=0
# Bring tool-specific functions into scope
- setup_tool "$1"
- exitcode=$?
- case $exitcode in
- 0)
- :
- ;;
- 2)
- # The configured tool is not a built-in tool.
- test -n "$merge_tool_path" || return 1
- ;;
- *)
- return $exitcode
- ;;
- esac
+ setup_tool "$1" || return 1
if merge_mode
then
@@ -213,38 +227,12 @@ run_merge_tool () {
# Run a either a configured or built-in diff tool
run_diff_cmd () {
- merge_tool_cmd=$(get_merge_tool_cmd "$1")
- if test -n "$merge_tool_cmd"
- then
- ( eval $merge_tool_cmd )
- status=$?
- return $status
- else
- diff_cmd "$1"
- fi
+ diff_cmd "$1"
}
# Run a either a configured or built-in merge tool
run_merge_cmd () {
- merge_tool_cmd=$(get_merge_tool_cmd "$1")
- if test -n "$merge_tool_cmd"
- then
- trust_exit_code=$(git config --bool \
- "mergetool.$1.trustExitCode" || echo false)
- if test "$trust_exit_code" = "false"
- then
- touch "$BACKUP"
- ( eval $merge_tool_cmd )
- status=$?
- check_unchanged
- else
- ( eval $merge_tool_cmd )
- status=$?
- fi
- return $status
- else
- merge_cmd "$1"
- fi
+ merge_cmd "$1"
}
list_merge_tool_candidates () {