59f91ab630
This allows to apply different submit rules for different uploaders. Change-Id: I6d3c155de01c5cae2b65d345010ed444b5793e54 Signed-off-by: Edwin Kempin <ekempin@google.com>
109 lines
4.4 KiB
Plaintext
109 lines
4.4 KiB
Plaintext
= Prolog Facts for Gerrit Changes
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Prior to invoking the `submit_rule(X)` query for a change, Gerrit initializes
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the Prolog engine with a set of facts (current data) about this change.
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The following table provides an overview of the provided facts.
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IMPORTANT: All the terms listed below are defined in the `gerrit` package. To use any
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of them we must use a qualified name like `gerrit:change_branch(X)`.
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.Prolog facts about the current change
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[grid="cols"]
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[options="header"]
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|=============================================================================
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|Fact |Example |Description
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|`change_branch/1` |`change_branch('refs/heads/master').`
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|Destination Branch for the change as string atom
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|`change_owner/1` |`change_owner(user(1000000)).`
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|Owner of the change as `user(ID)` term. ID is the numeric account ID
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|`change_project/1` |`change_project('full/project/name').`
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|Name of the project as string atom
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|`change_topic/1` |`change_topic('plugins').`
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|Topic name as string atom
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|`commit_author/1` |`commit_author(user(100000)).`
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|Author of the commit as `user(ID)` term. ID is the numeric account ID
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|`commit_author/3` |`commit_author(user(100000), 'John Doe', 'john.doe@example.com').`
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|ID, full name and the email of the commit author. The full name and the
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email are string atoms
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|`commit_committer/1` |`commit_committer()`
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|Committer of the commit as `user(ID)` term. ID is the numeric account ID
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|`commit_committer/3` |`commit_committer()`
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|ID, full name and the email of the commit committer. The full name and the
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email are string atoms
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.2+|`commit_label/2` |`commit_label(label('Code-Review', 2), user(1000000)).`
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.2+|Set of votes on the last patch-set
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|`commit_label(label('Verified', -1), user(1000001)).`
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|`commit_message/1` |`commit_message('Fix bug X').`
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|Commit message as string atom
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|`commit_stats/3` |`commit_stats(5,20,50).`
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|Number of files modified, number of insertions and the number of deletions.
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.4+|`current_user/1` |`current_user(user(1000000)).`
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.4+|Current user as one of the four given possibilities
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|`current_user(user(anonymous)).`
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|`current_user(user(peer_daemon)).`
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|`current_user(user(replication)).`
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|`uploader/1` |`uploader(user(1000000)).`
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|Uploader as `user(ID)` term. ID is the numeric account ID
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|=============================================================================
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In addition Gerrit provides a set of built-in helper predicates that can be used
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when implementing the `submit_rule` predicate. The most common ones are listed in
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the following table.
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.Built-in Prolog helper predicates
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[grid="cols"]
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[options="header"]
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|=============================================================================
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|Predicate |Example usage |Description
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|`commit_delta/1` |`commit_delta('\\.java$').`
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|True if any file name from the last patch set matches the given regex.
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|`commit_delta/3` |`commit_delta('\\.java$', T, P)`
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|Returns the change type (via `T`) and path (via `P`), if the change type
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is `rename`, it also returns the old path. If the change type is `rename`, it
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returns a delete for old path and an add for new path. If the change type
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is `copy`, an add is returned along with new path.
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Possible values for the change type are the following symbols: `add`,
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`modify`, `delete`, `rename`, `copy`
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|`commit_delta/4` |`commit_delta('\\.java$', T, P, O)`
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|Like `commit_delta/3` plus the old path (via `O`) if applicable.
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|`commit_edits/2` |`commit_edits('/pom.xml$', 'dependency')`
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|True if any of the files matched by the file name regex (first parameter)
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have edited lines that match the regex in the second parameter. This
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example will be true if there is a modification of a `pom.xml` file such
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that an edited line contains or contained the string `'dependency'`.
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|`commit_message_matches/1` |`commit_message_matches('^Bug fix')`
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|True if the commit message matches the given regex.
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|=============================================================================
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NOTE: for a complete list of built-in helpers read the `gerrit_common.pl` and
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all Java classes whose name matches `PRED_*.java` from Gerrit's source code.
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GERRIT
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------
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Part of link:index.html[Gerrit Code Review]
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SEARCHBOX
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---------
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