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c024912fb8
If a user aborts a commit, the commit-msg hook is still called, but with an empty file. We need to leave the empty file alone. Change-Id: I13766135dac267823cb08ab76f67d2000ba2d1ce Signed-off-by: Shawn O. Pearce <sop@google.com>
80 lines
1.7 KiB
Bash
Executable File
80 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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# From Gerrit Code Review v2.0.19.1-4-g21d307b
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#
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# Part of Gerrit Code Review (http://code.google.com/p/gerrit/)
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#
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# Copyright (C) 2009 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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MSG="$1"
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# Check for, and add if missing, a unique Change-Id
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#
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add_ChangeId() {
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clean_message=$(sed -e '
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/^diff --git a\/.*/{
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s///
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q
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}
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/^Signed-off-by:/d
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/^#/d
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' "$MSG" | git stripspace)
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if test -z "$clean_message"
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then
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return
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fi
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if grep -i '^Change-Id:' "$MSG" >/dev/null
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then
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return
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fi
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id=$(_gen_ChangeId)
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out="$MSG.OUT"
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ftt="$MSG.FTT"
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sed -e '2,${
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/^[A-Za-z][A-Za-z0-9-]*: /,$d
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}' <"$MSG" >"$out"
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sed -ne '2,${
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/^[A-Za-z][A-Za-z0-9-]*: /,$p
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}' <"$MSG" >"$ftt"
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if ! test -s "$ftt"
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then
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echo >>"$out"
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fi
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echo "Change-Id: I$id" >>"$out"
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cat "$ftt" >>"$out"
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mv -f "$out" "$MSG"
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rm -f "$out" "$ftt"
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}
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_gen_ChangeIdInput() {
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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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then
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echo "parent $parent"
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fi
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echo "author $(git var GIT_AUTHOR_IDENT)"
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echo "committer $(git var GIT_COMMITTER_IDENT)"
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echo
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printf '%s' "$clean_message"
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}
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_gen_ChangeId() {
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_gen_ChangeIdInput |
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git hash-object -t commit --stdin
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}
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add_ChangeId
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