git-am: fixed patch_format detection according to RFC2822
RFC2822 specifies in paragraph 3.6.8, that optional header fields are made up of any printable US-ASCII character except ' ' (space) and ':' (colon). The pattern for the egrep command is changed to match all of these characters. Signed-off-by: Christian Himpel <chressie@gmail.com> Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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@ -205,7 +205,7 @@ check_patch_format () {
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# and see if it looks like that they all begin with the
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# header field names...
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sed -n -e '/^$/q' -e '/^[ ]/d' -e p "$1" |
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egrep -v '^[A-Za-z]+(-[A-Za-z]+)*:' >/dev/null ||
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egrep -v '^[!-9;-~]+:' >/dev/null ||
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patch_format=mbox
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fi
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} < "$1" || clean_abort
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