From ff5d23638b198438906fa3f91cee38a8b1dbc82e Mon Sep 17 00:00:00 2001
From: Stephan Bergmann <sbergman@redhat.com>
Date: Wed, 8 Mar 2023 08:22:32 +0100
Subject: [PATCH] Restore .git-hooks/commit-msg

...that 729ae5135042427b62a856d792f51afad1026622 "Update Sifr Mimetype Icons"
had modified, presumably in error

Change-Id: I077eeb2d304d145a68edceae7196417b329adaee
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/148458
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
---
 .git-hooks/commit-msg | 140 +++++++++++++++++++++++++++++-------------
 1 file changed, 97 insertions(+), 43 deletions(-)

diff --git a/.git-hooks/commit-msg b/.git-hooks/commit-msg
index 2adf4c381d34..950a6b709d9a 100755
--- a/.git-hooks/commit-msg
+++ b/.git-hooks/commit-msg
@@ -1,5 +1,82 @@
 #!/bin/sh
-# From Gerrit Code Review 3.6.3
+#
+# Called by git-commit with one argument, the name of the file
+# that has the commit message.  The hook should exit with non-zero
+# status after issuing an appropriate message if it wants to stop the
+# commit.  The hook is allowed to edit the commit message file.
+#
+# To enable this hook, make this file executable.
+
+# avoid [[ which is not POSIX sh.
+
+if test "$#" != 1 ; then
+    echo "$0 requires an argument."
+    exit 1
+fi
+
+if test ! -f "$1" ; then
+    echo "file does not exist: $1"
+    exit 1
+fi
+
+abort() {
+    cp $1 $1.save
+    cat >&2 <<EOF
+Commit aborted, your commit message was saved as '$1.save'.
+
+Reason: $2
+
+EOF
+    exit 1
+}
+
+test "" = "$(grep '^Signed-off-by: ' "$1" |
+         sort | uniq -c | sed -e '/^[         ]*1[         ]/d')" || {
+    abort "$1" "Duplicate Signed-off-by lines."
+}
+
+# Check that the first line exists, and is not an asterisk
+
+if [ -z "`head -n 1 $1 | grep -v '^[[:blank:]]*\*$'`" ] ; then
+    abort "$1" "Please provide the general description on the first line."
+fi
+
+# ...and that it is not too long
+
+len="`head -n 1 $1 | tr -d '\n' | wc -c`"
+if [ "$len" -gt 79 ] ; then
+    abort "$1" "The first line is $len characters, please try to fit into 79 characters."
+fi
+
+fdo_regex='fdo#[0-9]+'
+if grep -E -q "$fdo_regex" $1; then
+    for bugid in `head -n 1 $1 | grep -E -o "$fdo_regex" |sed 's/fdo#//'`
+    do
+        if [ "`echo $bugid |sed 's/fdo#//'`" -gt 88775 ]; then
+            abort "$1" "The first line contains a suspicious fdo# rereference: 'fdo#$bugid', did you mean tdf#?"
+        fi
+    done
+fi
+
+# ...and that it does not continue on the second line
+if [ "`wc -l < $1`" -gt 1 -a -n "`head -n 2 $1 | tail -n 1 | sed 's/^#.*//'`" ] ; then
+    abort "$1" "The second line is not empty - maybe the first line continues there?"
+fi
+
+# Check that the message is not a ChangeLog-like one
+
+if [ -n "`head -n 1 $1 | grep '^[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}.*<.*@.*>'`" ] ; then
+    abort "$1" "The commit message looks like ChangeLog, please use the git form."
+fi
+
+# Check that lines do not start with '#<something>' (possibly accidental commit,
+# such as starting the message with '#ifdef', git commits start with '#<whitespace>'.
+
+if [ -n "`grep '^#[^[:blank:]]' $1`" ] ; then
+    abort "$1" "Possible accidental comment in the commit message (leading # without space)."
+fi
+
+# From Gerrit Code Review 2.16.15
 #
 # Part of Gerrit Code Review (https://www.gerritcodereview.com/)
 #
@@ -17,65 +94,42 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-set -u
-
-# avoid [[ which is not POSIX sh.
-if test "$#" != 1 ; then
-  echo "$0 requires an argument."
-  exit 1
-fi
-
-if test ! -f "$1" ; then
-  echo "file does not exist: $1"
-  exit 1
-fi
-
 # Do not create a change id if requested
-if test "false" = "$(git config --bool --get gerrit.createChangeId)" ; then
-  exit 0
+if test "false" = "`git config --bool --get gerrit.createChangeId`" ; then
+    exit 0
 fi
 
-if git rev-parse --verify HEAD >/dev/null 2>&1; then
-  refhash="$(git rev-parse HEAD)"
-else
-  refhash="$(git hash-object -t tree /dev/null)"
-fi
-
-random=$({ git var GIT_COMMITTER_IDENT ; echo "$refhash" ; cat "$1"; } | git hash-object --stdin)
+# $RANDOM will be undefined if not using bash, so don't use set -u
+random=$( (whoami ; hostname ; date; cat $1 ; echo $RANDOM) | git hash-object --stdin)
 dest="$1.tmp.${random}"
 
 trap 'rm -f "${dest}"' EXIT
 
 if ! git stripspace --strip-comments < "$1" > "${dest}" ; then
-   echo "cannot strip comments from $1"
-   exit 1
+    echo "cannot strip comments from $1"
+    exit 1
 fi
 
 if test ! -s "${dest}" ; then
-  echo "file is empty: $1"
-  exit 1
+    echo "file is empty: $1"
+    exit 1
 fi
 
-reviewurl="$(git config --get gerrit.reviewUrl)"
-if test -n "${reviewurl}" ; then
-  if ! git interpret-trailers --parse < "$1" | grep -q '^Link:.*/id/I[0-9a-f]\{40\}$' ; then
-    if ! git interpret-trailers \
-          --trailer "Link: ${reviewurl%/}/id/I${random}" < "$1" > "${dest}" ; then
-      echo "cannot insert link footer in $1"
-      exit 1
-    fi
-  fi
-else
-  # Avoid the --in-place option which only appeared in Git 2.8
-  # Avoid the --if-exists option which only appeared in Git 2.15
-  if ! git -c trailer.ifexists=doNothing interpret-trailers \
+# Avoid the --in-place option which only appeared in Git 2.8
+# Avoid the --if-exists option which only appeared in Git 2.15
+if ! git -c trailer.ifexists=doNothing interpret-trailers \
         --trailer "Change-Id: I${random}" < "$1" > "${dest}" ; then
     echo "cannot insert change-id line in $1"
     exit 1
-  fi
 fi
 
 if ! mv "${dest}" "$1" ; then
-  echo "cannot mv ${dest} to $1"
-  exit 1
+    echo "cannot mv ${dest} to $1"
+    exit 1
 fi
+
+#------------------ copied gerrit commit-msg hook to handle ChangeId <--
+
+exit 0
+
+# vi:set shiftwidth=4 expandtab: