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7c10605d2c
Built-in merge tools contain a hard-coded assumption about whether or not a tool's exit code can be trusted to determine the success or failure of a merge. Tools whose exit codes are not trusted contain calls to check_unchanged() in their merge_cmd() functions. A problem with this is that the trustExitCode configuration is not honored for built-in tools. Teach built-in tools to honor the trustExitCode configuration. Extend run_merge_cmd() so that it is responsible for calling check_unchanged() when a tool's exit code cannot be trusted. Remove check_unchanged() calls from scriptlets since they are no longer responsible for calling it. When no configuration is present, exit_code_trustable() is checked to see whether the exit code should be trusted. The default implementation returns false. Tools whose exit codes can be trusted override exit_code_trustable() to true. Reported-by: Dun Peal <dunpealer@gmail.com> Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
37 lines
617 B
Plaintext
37 lines
617 B
Plaintext
diff_cmd () {
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empty_file=
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# p4merge does not like /dev/null
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if test "/dev/null" = "$LOCAL"
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then
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LOCAL="$(create_empty_file)"
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fi
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if test "/dev/null" = "$REMOTE"
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then
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REMOTE="$(create_empty_file)"
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fi
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"$merge_tool_path" "$LOCAL" "$REMOTE"
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if test -n "$empty_file"
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then
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rm -f "$empty_file"
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fi
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}
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merge_cmd () {
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if ! $base_present
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then
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cp -- "$LOCAL" "$BASE"
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create_virtual_base "$BASE" "$REMOTE"
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fi
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"$merge_tool_path" "$BASE" "$REMOTE" "$LOCAL" "$MERGED"
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}
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create_empty_file () {
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empty_file="${TMPDIR:-/tmp}/git-difftool-p4merge-empty-file.$$"
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>"$empty_file"
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printf "%s" "$empty_file"
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}
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