From: Lin Sun <lin.sun@xxxxxxx>
Make the mergetool used with "meld" backend behave similarly to "vimdiff" by
telling it to auto-merge non-conflicting parts and highlight the conflicting
parts when `mergetool.meld.useAutoMerge` is configured with `true`, or `auto`
for detecting the `--auto-merge` option automatically.
Helped-by: Đoàn Trần Công Danh <congdanhqx@xxxxxxxxx>
Helped-by: David Aguilar <davvid@xxxxxxxxx>
Signed-off-by: Lin Sun <lin.sun@xxxxxxx>
Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
---
Enable auto-merge for meld to follow the vimdiff beharior
Hi, the mergetool "meld" does NOT merge the no-conflict changes, while
the mergetool "vimdiff" will merge the no-conflict changes and highlight
the conflict parts. This patch will make the mergetool "meld" similar to
"vimdiff", auto-merge the no-conflict changes, highlight conflict parts.
Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-git-781%2Fsunlin7%2Fmaster-v17
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-git-781/sunlin7/master-v17
Pull-Request: https://github.com/git/git/pull/781
Range-diff vs v16:
1: d235a576b4 ! 1: ce4e4cbfc0 Support auto-merge for meld to follow the vim-diff behavior
@@ Documentation/config/mergetool.txt: mergetool.meld.hasOutput::
After performing a merge, the original file with conflict markers
can be saved as a file with a `.orig` extension. If this variable
- ## builtin/config.c ##
-@@ builtin/config.c: static int show_scope;
- #define TYPE_PATH 4
- #define TYPE_EXPIRY_DATE 5
- #define TYPE_COLOR 6
-+#define TYPE_BOOL_OR_STR 7
-
- #define OPT_CALLBACK_VALUE(s, l, v, h, i) \
- { OPTION_CALLBACK, (s), (l), (v), NULL, (h), PARSE_OPT_NOARG | \
-@@ builtin/config.c: static int option_parse_type(const struct option *opt, const char *arg,
- new_type = TYPE_INT;
- else if (!strcmp(arg, "bool-or-int"))
- new_type = TYPE_BOOL_OR_INT;
-+ else if (!strcmp(arg, "bool-or-str"))
-+ new_type = TYPE_BOOL_OR_STR;
- else if (!strcmp(arg, "path"))
- new_type = TYPE_PATH;
- else if (!strcmp(arg, "expiry-date"))
-@@ builtin/config.c: static struct option builtin_config_options[] = {
- OPT_CALLBACK_VALUE(0, "bool", &type, N_("value is \"true\" or \"false\""), TYPE_BOOL),
- OPT_CALLBACK_VALUE(0, "int", &type, N_("value is decimal number"), TYPE_INT),
- OPT_CALLBACK_VALUE(0, "bool-or-int", &type, N_("value is --bool or --int"), TYPE_BOOL_OR_INT),
-+ OPT_CALLBACK_VALUE(0, "bool-or-str", &type, N_("value is --bool or string"), TYPE_BOOL_OR_STR),
- OPT_CALLBACK_VALUE(0, "path", &type, N_("value is a path (file or directory name)"), TYPE_PATH),
- OPT_CALLBACK_VALUE(0, "expiry-date", &type, N_("value is an expiry date"), TYPE_EXPIRY_DATE),
- OPT_GROUP(N_("Other")),
-@@ builtin/config.c: static int format_config(struct strbuf *buf, const char *key_, const char *value
- strbuf_addstr(buf, v ? "true" : "false");
- else
- strbuf_addf(buf, "%d", v);
-+ } else if (type == TYPE_BOOL_OR_STR) {
-+ int is_bool, v;
-+ v = git_config_bool_or_str(NULL, key_, value_, &is_bool);
-+ if (is_bool)
-+ strbuf_addstr(buf, v ? "true" : "false");
-+ else
-+ strbuf_addstr(buf, value_);
- } else if (type == TYPE_PATH) {
- const char *v;
- if (git_config_pathname(&v, key_, value_) < 0)
-@@ builtin/config.c: static char *normalize_value(const char *key, const char *value)
- else
- return xstrdup(v ? "true" : "false");
- }
-+ if (type == TYPE_BOOL_OR_STR) {
-+ int is_bool, v;
-+ v = git_config_bool_or_str(NULL, key, value, &is_bool);
-+ if (!is_bool)
-+ return xstrdup(value);
-+ else
-+ return xstrdup(v ? "true" : "false");
-+ }
- if (type == TYPE_COLOR) {
- char v[COLOR_MAXLEN];
- if (git_config_color(v, key, value))
-
- ## config.c ##
-@@ config.c: int git_config_bool_or_int(const char *name, const char *value, int *is_bool)
- return git_config_int(name, value);
- }
-
-+int git_config_bool_or_str(const char **dest, const char *name, const char *value, int *is_bool)
-+{
-+ int v = git_parse_maybe_bool_text(value);
-+ if (0 <= v) {
-+ *is_bool = 1;
-+ return v;
-+ }
-+ *is_bool = 0;
-+ if (dest != NULL)
-+ return git_config_string(dest, name, value);
-+ else
-+ return 0;
-+}
-+
- int git_config_bool(const char *name, const char *value)
- {
- int discard;
-
- ## config.h ##
-@@ config.h: ssize_t git_config_ssize_t(const char *, const char *);
- */
- int git_config_bool_or_int(const char *, const char *, int *);
-
-+/**
-+ * Same as `git_config_bool`, except that `is_bool` flag is unset, then if
-+ * `dest` parameter is non-NULL, it allocates and copies the value string
-+ * into the `dest`, if `dest` is NULL and `is_bool` flag is unset it return 0.
-+ */
-+int git_config_bool_or_str(const char **, const char *, const char *, int *);
-+
- /**
- * Parse a string into a boolean value, respecting keywords like "true" and
- * "false". Integer values are converted into true/false values (when they
-
## mergetools/meld ##
@@ mergetools/meld: diff_cmd () {
}
@@ mergetools/meld: diff_cmd () {
- meld_has_output_option=true
- else
- meld_has_output_option=false
-+ meld_use_auto_merge_option=$(
-+ git config --bool-or-str mergetool.meld.useAutoMerge)
++ meld_use_auto_merge_option=$(git config mergetool.meld.useAutoMerge)
+ case "$meld_use_auto_merge_option" in
+ true|false)
+ : use well formatted boolean value
@@ mergetools/meld: diff_cmd () {
+ esac
+ ;;
+ *)
-+ meld_use_auto_merge_option=false
++ # try other boolean value with git
++ if meld_use_auto_merge_option=$(
++ git config --bool mergetool.meld.useAutoMerge)
++ then
++ : use normalized boolean value
++ else
++ meld_use_auto_merge_option=false
++ fi
+ ;;
+ esac
fi
Documentation/config/mergetool.txt | 10 ++++
mergetools/meld | 87 ++++++++++++++++++++++++------
2 files changed, 81 insertions(+), 16 deletions(-)
diff --git a/Documentation/config/mergetool.txt b/Documentation/config/mergetool.txt
index 09ed31dbfa..16a27443a3 100644
--- a/Documentation/config/mergetool.txt
+++ b/Documentation/config/mergetool.txt
@@ -30,6 +30,16 @@ mergetool.meld.hasOutput::
to `true` tells Git to unconditionally use the `--output` option,
and `false` avoids using `--output`.
+mergetool.meld.useAutoMerge::
+ When the `--auto-merge` is given, meld will merge all non-conflicting
+ parts automatically, highlight the conflicting parts and wait for
+ user decision. Setting `mergetool.meld.useAutoMerge` to `true` tells
+ Git to unconditionally use the `--auto-merge` option with `meld`.
+ Setting this value to `auto` makes git detect whether `--auto-merge`
+ is supported and will only use `--auto-merge` when available. A
+ value of `false` avoids using `--auto-merge` altogether, and is the
+ default value.
+
mergetool.keepBackup::
After performing a merge, the original file with conflict markers
can be saved as a file with a `.orig` extension. If this variable
diff --git a/mergetools/meld b/mergetools/meld
index 7a08470f88..d95b4ee630 100644
--- a/mergetools/meld
+++ b/mergetools/meld
@@ -3,34 +3,89 @@ diff_cmd () {
}
merge_cmd () {
- if test -z "${meld_has_output_option:+set}"
+ check_meld_for_features
+
+ option_auto_merge=
+ if test "$meld_use_auto_merge_option" = true
then
- check_meld_for_output_version
+ option_auto_merge="--auto-merge"
fi
if test "$meld_has_output_option" = true
then
- "$merge_tool_path" --output="$MERGED" \
+ "$merge_tool_path" $option_auto_merge --output="$MERGED" \
"$LOCAL" "$BASE" "$REMOTE"
else
- "$merge_tool_path" "$LOCAL" "$MERGED" "$REMOTE"
+ "$merge_tool_path" $option_auto_merge "$LOCAL" "$MERGED" "$REMOTE"
fi
}
-# Check whether we should use 'meld --output <file>'
-check_meld_for_output_version () {
- meld_path="$(git config mergetool.meld.path)"
- meld_path="${meld_path:-meld}"
+# Get meld help message
+init_meld_help_msg () {
+ if test -z "$meld_help_msg"
+ then
+ meld_path="$(git config mergetool.meld.path || echo meld)"
+ meld_help_msg=$("$meld_path" --help 2>&1)
+ fi
+}
- if meld_has_output_option=$(git config --bool mergetool.meld.hasOutput)
+# Check the features and set flags
+check_meld_for_features () {
+ # Check whether we should use 'meld --output <file>'
+ if test -z "$meld_has_output_option"
then
- : use configured value
- elif "$meld_path" --help 2>&1 |
- grep -e '--output=' -e '\[OPTION\.\.\.\]' >/dev/null
+ meld_has_output_option=$(git config --bool mergetool.meld.hasOutput)
+ case "$meld_has_output_option" in
+ true|false)
+ : use configured value
+ ;;
+ *)
+ : empty or invalid configured value, detecting "--output" automatically
+ init_meld_help_msg
+
+ case "$meld_help_msg" in
+ *"--output="*|*'[OPTION...]'*)
+ # All version that has [OPTION...] supports --output
+ meld_has_output_option=true
+ ;;
+ *)
+ meld_has_output_option=false
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ # Check whether we should use 'meld --auto-merge ...'
+ if test -z "$meld_use_auto_merge_option"
then
- : old ones mention --output and new ones just say OPTION...
- meld_has_output_option=true
- else
- meld_has_output_option=false
+ meld_use_auto_merge_option=$(git config mergetool.meld.useAutoMerge)
+ case "$meld_use_auto_merge_option" in
+ true|false)
+ : use well formatted boolean value
+ ;;
+ auto)
+ # testing the "--auto-merge" option only if config is "auto"
+ init_meld_help_msg
+
+ case "$meld_help_msg" in
+ *"--auto-merge"*|*'[OPTION...]'*)
+ meld_use_auto_merge_option=true
+ ;;
+ *)
+ meld_use_auto_merge_option=false
+ ;;
+ esac
+ ;;
+ *)
+ # try other boolean value with git
+ if meld_use_auto_merge_option=$(
+ git config --bool mergetool.meld.useAutoMerge)
+ then
+ : use normalized boolean value
+ else
+ meld_use_auto_merge_option=false
+ fi
+ ;;
+ esac
fi
}
base-commit: 07d8ea56f2ecb64b75b92264770c0a664231ce17
--
gitgitgadget
