gitweb: Default to $hash_base or HEAD for $hash in "commit" and "commitdiff"
Set $hash parameter to $hash_base || "HEAD" if it is not set (if it is not true to be more exact). This allows [hand-edited] URLs with 'action' "commit" or "commitdiff" but without 'hash' parameter. If there is 'h' (hash) parameter provided, then gitweb tries to use this. HEAD is used _only_ if nether hash, nor hash_base are provided, i.e. for URL like below URL?p=project.git;a=commit i.e. without neither 'h' nor 'hb'. Signed-off-by: Jakub Narebski <jnareb@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
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@ -3429,6 +3429,7 @@ sub git_log {
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}
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sub git_commit {
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$hash ||= $hash_base || "HEAD";
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my %co = parse_commit($hash);
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if (!%co) {
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die_error(undef, "Unknown commit object");
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@ -3706,6 +3707,7 @@ sub git_blobdiff_plain {
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sub git_commitdiff {
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my $format = shift || 'html';
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$hash ||= $hash_base || "HEAD";
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my %co = parse_commit($hash);
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if (!%co) {
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die_error(undef, "Unknown commit object");
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