git-commit: set GIT_EDITOR=: if editor will not be launched
This is a preparatory patch that provides a simple way for the future prepare-commit-msg hook to discover if the editor will be launched. Signed-off-by: Junio C Hamano <gitster@pobox.com>
Paolo Bonzini committed
Feb 5, 2008 at 11:01 UTC
406400ce4f69e79b544dd3539a71b85d99331820
2 files changed
+6
Documentation/hooks.txt
+4
@@ -61,6 +61,10 @@ The default 'pre-commit' hook, when enabled, catches introduction
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of lines with trailing whitespaces and aborts the commit when
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such a line is found.
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+All the `git-commit` hooks are invoked with the environment
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+variable `GIT_EDITOR=:` if the command will not bring up an editor
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+to modify the commit message.
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+
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commit-msg
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----------
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builtin-commit.c
+2
@@ -599,6 +599,8 @@ static int parse_and_validate_options(int argc, const char *argv[],
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use_editor = 0;
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if (edit_flag)
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use_editor = 1;
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+ if (!use_editor)
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+ setenv("GIT_EDITOR", ":", 1);
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if (get_sha1("HEAD", head_sha1))
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initial_commit = 1;