Add lineage-push

Change-Id: I177a031617591bb4891b2147f5778cdd3de502b3

lineage-push/README.md

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+# LineageOS Push Script
+
+Pushes a local git repository's changes to Gerrit for code review
+
+```
+Usage:
+  ./lineage-push.sh [options] branch
+
+  Options:
+    -d Upload change as draft.
+    -e Update change as edit.
+    -f Force push.
+    -l <label> Assign label.
+    -m Bypass review and merge.
+    -r <ref> Push to specified ref ( will override draft ).
+    -s Submit.
+    -t <topic> Append topic to change.
+
+  Example:
+    lineage-push -d -t test cm-14.1
+    lineage-push -s -l "Code-Review+2,Verified+1" cm-14.1
+```

lineage-push/lineage-push.sh

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+#!/bin/bash
+
+usage() {
+    echo "Usage:"
+    echo "  lineage-push [options] branch"
+    echo
+    echo "  Options:"
+    echo "    -d Upload change as draft."
+    echo "    -e Update change as edit."
+    echo "    -f Force push."
+    echo "    -l <label> Assign label."
+    echo "    -m Bypass review and merge."
+    echo "    -r <ref> Push to specified ref ( will override draft )."
+    echo "    -s Submit."
+    echo "    -t <topic> Append topic to change."
+    echo
+    echo "  Example:"
+    echo "    lineage-push -d -t test cm-14.1"
+    echo "    lineage-push -s -l \"Code-Review+2,Verified+1\" cm-14.1"
+    echo
+    exit 1
+}
+
+while getopts ":del:fmr:st:" opt; do
+    case $opt in
+        d) [ -z "$ref" ] && ref="refs/drafts/" ;;
+        e) edit="%edit" ;;
+        f) push_args="-f" ;;
+        l) i=0
+           labels="%"
+           IFS=',' read -ra LABELS <<< "$OPTARG"
+           for label in "${LABELS[@]}"; do
+               labels+="l=$label"
+               i=$(($i + 1))
+               if [ $i -ne ${#LABELS[@]} ]; then
+                   labels+=","
+               fi
+           done
+           ;;
+        m) [ -z "$ref" ] && ref="" ;;
+        r) ref="refs/$OPTARG/" ;;
+        s) submit="%submit" ;;
+        t) topic="%topic=$OPTARG" ;;
+        :)
+          echo "Option -$OPTARG requires an argument"
+          echo
+          usage
+          ;;
+        \?)
+          echo "Invalid option: -$OPTARG"
+          echo
+          usage
+          ;;
+    esac
+done
+shift $((OPTIND-1))
+
+if [ "$#" -ne 1 ]; then
+    usage
+fi
+
+if [ -z "$ref" ]; then
+    ref="refs/for/"
+fi
+
+repo_name=$(git remote -v | grep LineageOS | head -n1 | awk '{print $2}' | sed 's/.*\///' | sed 's/\.git//')
+username=$(git config review.review.lineageos.org.username)
+
+git push ${push_args} ssh://${username}@review.lineageos.org:29418/LineageOS/${repo_name} HEAD:${ref}$1${topic}${labels}${submit}${edit}