| commit | 05fb8726cccc74908853c166248ff9b6abdafae5 | [log] [tgz] |
|---|---|---|
| author | Denton Liu <liu.denton@gmail.com> | Mon Apr 29 02:21:08 2019 -0400 |
| committer | Junio C Hamano <gitster@pobox.com> | Mon May 13 23:11:59 2019 +0900 |
| tree | e879f61c63d326d264ab6911fd8e32e6445610e4 | |
| parent | 57d93c1d2ce7deddf485e7c826278fef6815ec6b [diff] |
mergetool: use get_merge_tool function In git-mergetool, the logic for getting which merge tool to use is duplicated in git-mergetool--lib, except for the fact that it needs to know whether the tool was guessed or not. Rewrite `get_merge_tool` to return whether or not the tool was guessed through the return code and make git-mergetool call this function instead of duplicating the logic. Note that 1 was chosen to be the return code of when a tool is guessed because it seems like a slightly more abnormal condition than getting a tool that's explicitly specified but this is completely arbitrary. Also, let `$GIT_MERGETOOL_GUI` be set to determine whether or not the guitool will be selected. This change is not completely backwards compatible as there may be external users of git-mergetool--lib. However, only one user, git-diffall[1], was found from searching GitHub and Google, and this tool is superseded by `git difftool --dir-diff` anyway. It seems very unlikely that there exists an external caller that would take into account the return code of `get_merge_tool` as it would always return 0 before this change so this change probably does not affect any external users. [1]: https://github.com/thenigan/git-diffall Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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