Un-perl commit-msg hook
To simplify installation on mingw a bit (even though git remains a pain), drop the perl dependency the commit-msg hook introduced to the coreboot development environment. It's replaced by awk which we use elsewhere already (and is a more lightweight utility in any case) Change-Id: I67adfe1ec43c898735d4bae4819ceb53e83c303b Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Reviewed-on: http://review.coreboot.org/78 Tested-by: build bot (Jenkins) Reviewed-by: Peter Stuge <peter@stuge.se>
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Patrick Georgi
Peter Stuge
parent
eb84f6a978
commit
ad6331d25f
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@ -1,5 +1,4 @@
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#!/bin/sh
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#!/bin/sh
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# From Gerrit Code Review 2.1.7-rc2
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#
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#
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# Part of Gerrit Code Review (http://code.google.com/p/gerrit/)
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# Part of Gerrit Code Review (http://code.google.com/p/gerrit/)
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#
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#
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@ -37,56 +36,110 @@ add_ChangeId() {
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return
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return
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fi
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fi
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# Does Change-Id: already exist? if so, exit (no change).
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if grep -i '^Change-Id:' "$MSG" >/dev/null
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if grep -i '^Change-Id:' "$MSG" >/dev/null
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then
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then
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return
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return
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fi
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fi
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id=`_gen_ChangeId`
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id=`_gen_ChangeId`
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perl -e '
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T="$MSG.tmp.$$"
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$MSG = shift;
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AWK=awk
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$id = shift;
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if [ -x /usr/xpg4/bin/awk ]; then
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$CHANGE_ID_AFTER = shift;
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# Solaris AWK is just too broken
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AWK=/usr/xpg4/bin/awk
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fi
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$AWK '
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# Skip lines starting with "#" without any spaces before it.
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/^#/ { next }
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undef $/;
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# Skip the line starting with the diff command and everything after it,
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open(I, $MSG); $_ = <I>; close I;
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# up to the end of the file, assuming it is only patch data.
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s|^diff --git a/.*||ms;
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# If more than one line before the diff was empty, strip all but one.
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s|^#.*$||mg;
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/^diff --git a/ {
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exit unless $_;
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if (blankLines > 1) {
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blankLines = 1
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@message = split /\n/;
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$haveFooter = 0;
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$startFooter = @message;
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for($line = @message - 1; $line >= 0; $line--) {
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$_ = $message[$line];
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if (/^[a-zA-Z0-9-]+:/ && !m,^[a-z0-9-]+://,) {
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$haveFooter++;
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next;
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}
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}
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next if /^[ []/;
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while (getline) { }
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$startFooter = $line if ($haveFooter && /^\r?$/);
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next
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last;
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}
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}
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@footer = @message[$startFooter+1..@message];
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# Handle comments and continuations in tags ([foo: bar] etc)
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@message = @message[0..$startFooter];
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(caught == 1) && /^[ []/ {
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push(@footer, "") unless @footer;
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if (lines != "") {
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lines = lines "\n"
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for ($line = 0; $line < @footer; $line++) {
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}
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$_ = $footer[$line];
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lines = lines $0
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next if /^($CHANGE_ID_AFTER):/i;
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next
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last;
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}
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}
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splice(@footer, $line, 0, "Change-Id: I$id");
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$_ = join("\n", @message, @footer);
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# Handle normal lines (ie. not starting with some tag like "Signed-off-by:").
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open(O, ">$MSG"); print O; close O;
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# If normal text appears after tags were "caught", handle them as normal text, too.
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' "$MSG" "$id" "$CHANGE_ID_AFTER"
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# Also count blank lines in blankLines.
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!/^[a-zA-Z0-9-]+:/ || /^[a-zA-Z0-9-]+:\/\// {
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if ($0 == "") {
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blankLines++
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next
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} else {
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for (i = 0; i < blankLines; i++) {
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print ""
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}
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blankLines = 0
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}
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if (caught == 1) {
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caught = 0
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print lines
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lines = ""
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}
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print $0
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next
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}
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# Handle tags. They are "caught" and collected in the "lines" variable
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{
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caught = 1
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if (lines != "") {
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lines = lines "\n";
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}
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lines = lines $0
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}
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# Tag handling:
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# If last line before tags was not blank, there were no tags.
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# In that case, print everything, plus a blank line, followed by Change-Id.
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# Otherwise there were tags. Look for the right place to inject Change-Id,
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# by considering CHANGE_ID_AFTER. Tags listed in it (case insensitive) come first,
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# then Change-Id, then everything else (eg. Signed-off-by:).
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END {
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unprinted = 1
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if (blankLines == 0) {
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if (lines == "") {
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print ""
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} else {
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print lines "\n"
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}
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} else {
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for (i = 0; i < blankLines; i++) {
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print ""
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}
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changeIdAfter = "^(" tolower("'"$CHANGE_ID_AFTER"'") "):"
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numlines = split(lines, footer, "\n")
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for (line = 1; line <= numlines; line++) {
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if (unprinted && match(tolower(footer[line]), changeIdAfter) != 1) {
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unprinted = 0
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print "Change-Id: I'"$id"'"
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}
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print footer[line]
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}
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}
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if (unprinted) {
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print "Change-Id: I'"$id"'"
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}
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}' "$MSG" > $T && mv $T "$MSG" || rm -f $T
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}
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}
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_gen_ChangeIdInput() {
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_gen_ChangeIdInput() {
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echo "tree `git write-tree`"
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echo "tree `git write-tree`"
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if parent=`git rev-parse HEAD^0 2>/dev/null`
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if parent=`git rev-parse "HEAD^0" 2>/dev/null`
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then
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then
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echo "parent $parent"
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echo "parent $parent"
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fi
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fi
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