234 lines
6.0 KiB
Bash
Executable File
234 lines
6.0 KiB
Bash
Executable File
#! /bin/sh
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# commit version 0.9.2
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# Copyright (C) 1999, Free Software Foundation
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# This script is Free Software, and it can be copied, distributed and
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# modified as defined in the GNU General Public License. A copy of
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# its license can be downloaded from http://www.gnu.org/copyleft/gpl.html
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# Originally by Gary V. Vaughan <gvaughan@oranda.demon.co.uk>
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# Heavily modified by Alexandre Oliva <oliva@dcc.unicamp.br>
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# This scripts eases checking in changes to CVS-maintained projects
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# with ChangeLog files. It will check that there have been no
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# conflicting commits in the CVS repository and print which files it
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# is going to commit to stderr. A list of files to compare and to
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# check in can be given in the command line. If it is not given, all
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# files in the current directory (and below, unless `-l' is given) are
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# considered for check in.
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# The commit message will be extracted from the differences between
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# the local ChangeLog and the one in the repository (unless a message
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# was specified with `-m' or `-F'). An empty message is not accepted
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# (but a blank line is). If the message is acceptable, it will be
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# presented for verification (and possible edition) using the $PAGER
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# environment variable (or `more', if it is not set, or `cat', if the
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# `-f' switch is given). If $PAGER exits successfully, the modified
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# files (at that moment) are checked in, unless `-n' was specified, in
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# which case nothing is checked in.
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# usage: commit [-v] [-h] [-f] [-l] [-n] [-q] [-z N]
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# [-m msg|-F msg_file] [--] [file|dir ...]
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# -f --fast don't check (unless *followed* by -n), and just
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# --force display commit message instead of running $PAGER
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# -l --local don't descend into subdirectories
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# -m msg --message=msg set commit message
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# --msg=msg same as -m
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# -F file --file=file read commit message from file
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# -n --dry-run don't commit anything
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# -q --quiet run cvs in quiet mode
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# -zN --compress=N set compression level (0-9, 0=none, 9=max)
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# -v --version print version information
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# -h,-? --help print short or long help message
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name=commit
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cvsopt=
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updateopt=
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commitopt=
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dry_run=false
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commit=:
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update=:
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log_file="${TMPDIR-/tmp}/commitlog.$$"
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rm -f "$log_file"
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trap 'rm -f "$log_file"; exit 1' 1 2 15
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# this just eases exit handling
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main_repeat=":"
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while $main_repeat; do
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repeat="test $# -gt 0"
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while $repeat; do
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case "$1" in
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-f|--force|--fast)
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update=false
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PAGER=cat
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shift
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;;
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-l|--local)
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updateopt="$updateopt -l"
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commitopt="$commitopt -l"
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shift
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;;
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-m|--message|--msg)
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if test $# = 1; then
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echo "$name: missing argument for $1" >&2
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break
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fi
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if test -f "$log_file"; then
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echo "$name: you can have at most one of -m and -F" >&2
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break
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fi
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shift
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echo "$1" > "$log_file"
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shift
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;;
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-F|--file)
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if test -f "$log_file"; then
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echo "$name: you can have at most one of -m and -F" >&2
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break
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fi
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if test $# = 1; then
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echo "$name: missing argument for $1" >&2
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break
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fi
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shift
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if cat < "$1" > "$log_file"; then :; else
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break
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fi
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shift
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;;
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-n|--dry-run)
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commit=false
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update=true
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shift
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;;
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-q|--quiet)
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cvsopt="$cvsopt -q"
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shift
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;;
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-z|--compress)
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if test $# = 1; then
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echo "$name: missing argument for $1" >&2
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break
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fi
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case "$2" in
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[0-9]) :;;
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*) echo "$name: invalid argument for $1" >&2
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break
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;;
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esac
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cvsopt="$cvsopt -z$2"
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shift
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shift
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;;
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-m*|-F*|-z*)
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opt=`echo "$1" | sed '1s/^\(..\).*$/\1/;q'`
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arg=`echo "$1" | sed '1s/^-[a-zA-Z0-9]//'`
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shift
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set -- "$opt" "$arg" ${1+"$@"}
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;;
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--message=*|--msg=*|--file=*|--compress=*)
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opt=`echo "$1" | sed '1s/^\(--[^=]*\)=.*/\1/;q'`
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arg=`echo "$1" | sed '1s/^--[^=]*=//'`
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shift
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set -- "$opt" "$arg" ${1+"$@"}
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;;
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-v|--version)
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sed '/^# '$name' version /,/^# Heavily modified by/ { s/^# //; p; }; d' < $0
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exit 0
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;;
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-\?|-h)
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sed '/^# usage:/,/# -h/ { s/^# //; p; }; d' < $0 &&
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echo
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echo "run \`$name --help | more' for full usage"
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exit 0
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;;
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--help)
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sed '/^# '$name' version /,/^[^#]/ { /^[^#]/ d; s/^# //; p; }; d' < $0
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exit 0
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;;
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--)
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shift
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repeat=false
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;;
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-*)
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echo "$name: invalid flag $1" >&2
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break
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;;
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*)
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repeat=false
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;;
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esac
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done
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# might have used break 2 within the previous loop, but so what
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$repeat && break
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$update && \
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if echo "$name: checking for conflicts..." >&2
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(cvs $cvsopt -q -n update $updateopt ${1+"$@"} 2>/dev/null \
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| while read line; do
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echo "$line"
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echo "$line" >&3
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done | grep '^C') 3>&1 >/dev/null; then
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echo "$name: some conflicts were found, aborting..." >&2
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break
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fi
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if test ! -f "$log_file"; then
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echo "$name: checking commit message..." >&2
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cvs $cvsopt diff -u ChangeLog \
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| while read line; do
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case "$line" in
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"--- ChangeLog"*) :;;
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"-"*)
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echo "$name: *** Warning: the following line in ChangeLog diff is suspicious:" >&2
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echo "$line" | sed 's/^.//' >&2;;
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"+ "*)
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echo "$name: *** Warning: lines should start with tabs, not spaces; ignoring line:" >&2
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echo "$line" | sed 's/^.//' >&2;;
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"+") echo;;
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"+ "*) echo "$line";;
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esac
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done \
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| sed -e 's,\+ ,,' -e '/./p' -e '/./d' -e '1d' -e '$d' > "$log_file" \
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|| break
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# The sed script above removes "+TAB" from the beginning of a line, then
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# deletes the first and/or the last line, when they happen to be empty
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fi
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if grep '[^ ]' < "$log_file" > /dev/null; then :; else
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echo "$name: empty commit message, aborting" >&2
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break
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fi
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if grep '^$' < "$log_file" > /dev/null; then
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echo "$name: *** Warning: blank lines should not appear within a commit messages." >&2
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echo "$name: *** They should be used to separate distinct commits." >&2
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fi
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${PAGER-more} "$log_file" || break
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sleep 1 # give the user some time for a ^C
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# Do not check for empty $log_file again, even though the user might have
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# zeroed it out. If s/he did, it was probably intentional.
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if $commit; then
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cvs $cvsopt commit $commitopt -F $log_file ${1+"$@"} || break
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fi
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main_repeat=false
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done
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rm -f "$log_file"
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# if main_repeat was not set to `false', we failed
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$main_repeat && exit 1
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exit 0
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