mirror of
https://github.com/neovim/neovim.git
synced 2025-11-04 09:44:31 +00:00
496 lines
14 KiB
Bash
Executable File
496 lines
14 KiB
Bash
Executable File
#!/bin/sh
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# Assume that "local" is available.
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# shellcheck disable=SC2039
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set -e
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# Note: -u causes problems with posh, it barks at “undefined” $@ when no
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# arguments provided.
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test -z "$POSH_VERSION" && set -u
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log_info() {
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>&2 printf "pvscheck.sh: %s\n" "$@"
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}
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get_jobs_num() {
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if [ -n "${TRAVIS:-}" ] ; then
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# HACK: /proc/cpuinfo on Travis CI is misleading, so hardcode 1.
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echo 1
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else
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echo $(( $(grep -c "^processor" /proc/cpuinfo) + 1 ))
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fi
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}
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help() {
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echo 'Usage:'
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echo ' pvscheck.sh [--pvs URL] [--deps] [--environment-cc]'
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echo ' [target-directory [branch]]'
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echo ' pvscheck.sh [--pvs URL] [--recheck] [--environment-cc] [--update]'
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echo ' [target-directory]'
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echo ' pvscheck.sh [--pvs URL] --only-analyse [target-directory]'
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echo ' pvscheck.sh [--pvs URL] --pvs-install {target-directory}'
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echo ' pvscheck.sh --patch [--only-build]'
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echo
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echo ' --pvs: Fetch pvs-studio from URL.'
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echo
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echo ' --pvs detect: Auto-detect latest version (by scraping viva64.com).'
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echo
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echo ' --deps: (for regular run) Use top-level Makefile and build deps.'
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echo ' Without this it assumes all dependencies are already'
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echo ' installed.'
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echo
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echo ' --environment-cc: (for regular run and --recheck) Do not export'
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echo ' CC=clang. Build is still run with CFLAGS=-O0.'
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echo
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echo ' --only-build: (for --patch) Only patch files in ./build directory.'
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echo
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echo ' --pvs-install: Only install PVS-studio to the specified location.'
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echo
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echo ' --patch: patch sources in the current directory.'
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echo ' Does not patch already patched files.'
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echo ' Does not run analysis.'
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echo
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echo ' --recheck: run analysis on a prepared target directory.'
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echo
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echo ' --update: when rechecking first do a pull.'
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echo
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echo ' --only-analyse: run analysis on a prepared target directory '
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echo ' without building Neovim.'
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echo
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echo ' target-directory: Directory where build should occur.'
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echo ' Default: ../neovim-pvs'
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echo
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echo ' branch: Branch to check.'
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echo ' Default: master.'
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}
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getopts_error() {
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local msg="$1" ; shift
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local do_help=
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if test "$msg" = "--help" ; then
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msg="$1" ; shift
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do_help=1
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fi
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printf '%s\n' "$msg" >&2
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if test -n "$do_help" ; then
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printf '\n' >&2
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help >&2
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fi
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echo 'return 1'
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return 1
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}
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# Usage `eval "$(getopts_long long_defs -- positionals_defs -- "$@")"`
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#
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# long_defs: list of pairs of arguments like `longopt action`.
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# positionals_defs: list of arguments like `action`.
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#
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# `action` is a space-separated commands:
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#
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# store_const [const] [varname] [default]
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# Store constant [const] (default 1) (note: eval’ed) if argument is present
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# (long options only). Assumes long option accepts no arguments.
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# store [varname] [default]
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# Store value. Assumes long option needs an argument.
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# run {func} [varname] [default]
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# Run function {func} and store its output to the [varname]. Assumes no
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# arguments accepted (long options only).
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# modify {func} [varname] [default]
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# Like run, but assumes a single argument, passed to function {func} as $1.
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#
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# All actions stores empty value if neither [varname] nor [default] are
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# present. [default] is evaled by top-level `eval`, so be careful. Also note
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# that no arguments may contain spaces, including [default] and [const].
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getopts_long() {
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local positional=
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local opt_bases=""
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while test $# -gt 0 ; do
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local arg="$1" ; shift
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local opt_base=
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local act=
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local opt_name=
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if test -z "$positional" ; then
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if test "$arg" = "--" ; then
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positional=0
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continue
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fi
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act="$1" ; shift
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opt_name="$(echo "$arg" | tr '-' '_')"
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opt_base="longopt_$opt_name"
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else
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if test "$arg" = "--" ; then
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break
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fi
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: $(( positional+=1 ))
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act="$arg"
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opt_name="arg_$positional"
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opt_base="positional_$positional"
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fi
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opt_bases="$opt_bases $opt_base"
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eval "local varname_$opt_base=$opt_name"
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local i=0
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for act_subarg in $act ; do
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eval "local act_$(( i+=1 ))_$opt_base=\"\$act_subarg\""
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done
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done
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# Process options
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local positional=0
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local force_positional=
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while test $# -gt 0 ; do
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local argument="$1" ; shift
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local opt_base=
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local has_equal=
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local equal_arg=
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local is_positional=
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if test "$argument" = "--" ; then
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force_positional=1
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continue
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elif test -z "$force_positional" && test "${argument#--}" != "$argument"
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then
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local opt_name="${argument#--}"
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local opt_name_striparg="${opt_name%%=*}"
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if test "$opt_name" = "$opt_name_striparg" ; then
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has_equal=0
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else
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has_equal=1
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equal_arg="${argument#*=}"
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opt_name="$opt_name_striparg"
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fi
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# Use trailing x to prevent stripping newlines
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opt_name="$(printf '%sx' "$opt_name" | tr '-' '_')"
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opt_name="${opt_name%x}"
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if test -n "$(printf '%sx' "$opt_name" | tr -d 'a-z_')" ; then
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getopts_error "Option contains invalid characters: $opt_name"
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fi
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opt_base="longopt_$opt_name"
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else
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: $(( positional+=1 ))
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opt_base="positional_$positional"
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is_positional=1
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fi
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if test -n "$opt_base" ; then
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eval "local occurred_$opt_base=1"
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eval "local act_1=\"\${act_1_$opt_base:-}\""
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eval "local varname=\"\${varname_$opt_base:-}\""
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local need_val=
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local func=
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case "$act_1" in
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(store_const)
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eval "local const=\"\${act_2_${opt_base}:-1}\""
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eval "local varname=\"\${act_3_${opt_base}:-$varname}\""
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printf 'local %s=%s\n' "$varname" "$const"
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;;
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(store)
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eval "varname=\"\${act_2_${opt_base}:-$varname}\""
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need_val=1
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;;
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(run)
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eval "func=\"\${act_2_${opt_base}}\""
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eval "varname=\"\${act_3_${opt_base}:-$varname}\""
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printf 'local %s="$(%s)"\n' "$varname" "$func"
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;;
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(modify)
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eval "func=\"\${act_2_${opt_base}}\""
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eval "varname=\"\${act_3_${opt_base}:-$varname}\""
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need_val=1
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;;
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("")
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getopts_error --help "Wrong argument: $argument"
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;;
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esac
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if test -n "$need_val" ; then
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local val=
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if test -z "$is_positional" ; then
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if test $has_equal = 1 ; then
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val="$equal_arg"
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else
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if test $# -eq 0 ; then
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getopts_error "Missing argument for $opt_name"
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fi
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val="$1" ; shift
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fi
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else
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val="$argument"
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fi
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local escaped_val="'$(printf "%s" "$val" | sed "s/'/'\\\\''/g")'"
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case "$act_1" in
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(store)
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printf 'local %s=%s\n' "$varname" "$escaped_val"
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;;
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(modify)
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printf 'local %s="$(%s %s)"\n' "$varname" "$func" "$escaped_val"
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;;
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esac
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fi
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fi
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done
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# Print default values when no values were provided
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local opt_base=
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for opt_base in $opt_bases ; do
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eval "local occurred=\"\${occurred_$opt_base:-}\""
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if test -n "$occurred" ; then
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continue
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fi
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eval "local act_1=\"\$act_1_$opt_base\""
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eval "local varname=\"\$varname_$opt_base\""
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case "$act_1" in
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(store)
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eval "local varname=\"\${act_2_${opt_base}:-$varname}\""
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eval "local default=\"\${act_3_${opt_base}:-}\""
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printf 'local %s=%s\n' "$varname" "$default"
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;;
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(store_const|run|modify)
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eval "local varname=\"\${act_3_${opt_base}:-$varname}\""
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eval "local default=\"\${act_4_${opt_base}:-}\""
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printf 'local %s=%s\n' "$varname" "$default"
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;;
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esac
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done
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}
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get_pvs_comment() {
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local tgt="$1" ; shift
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cat > "$tgt/pvs-comment" << EOF
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// This is an open source non-commercial project. Dear PVS-Studio, please check
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// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
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EOF
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}
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install_pvs() {(
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local tgt="$1" ; shift
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local pvs_url="$1" ; shift
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cd "$tgt"
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if test -d pvs-studio ; then
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log_info 'install_pvs: "pvs-studio" directory already exists, skipping install'
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return 0
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fi
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mkdir pvs-studio
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cd pvs-studio
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curl -L -o pvs-studio.tar.gz "$pvs_url"
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tar xzf pvs-studio.tar.gz
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rm pvs-studio.tar.gz
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local pvsdir="$(find . -maxdepth 1 -mindepth 1)"
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find "$pvsdir" -maxdepth 1 -mindepth 1 -exec mv '{}' . \;
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rmdir "$pvsdir"
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)}
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create_compile_commands() {(
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local tgt="$1" ; shift
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local deps="$1" ; shift
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local environment_cc="$1" ; shift
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if test -z "$environment_cc" ; then
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export CC=clang
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fi
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export CFLAGS=' -O0 '
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if test -z "$deps" ; then
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mkdir -p "$tgt/build"
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(
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cd "$tgt/build"
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cmake .. -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX="$PWD/root"
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make -j"$(get_jobs_num)"
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)
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else
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(
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cd "$tgt"
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make -j"$(get_jobs_num)" CMAKE_EXTRA_FLAGS=" -DCMAKE_INSTALL_PREFIX=$PWD/root -DCMAKE_BUILD_TYPE=Debug "
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)
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fi
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find "$tgt/build/src/nvim/auto" -name '*.test-include.c' -delete
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)}
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# Warning: realdir below only cares about directories unlike realpath.
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#
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# realpath is not available in Ubuntu trusty yet.
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realdir() {(
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local dir="$1"
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local add=""
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while ! cd "$dir" 2>/dev/null ; do
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add="${dir##*/}/$add"
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local new_dir="${dir%/*}"
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if test "$new_dir" = "$dir" ; then
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return 1
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fi
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dir="$new_dir"
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done
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printf '%s\n' "$PWD/$add"
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)}
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patch_sources() {(
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local tgt="$1" ; shift
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local only_bulid="${1}" ; shift
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get_pvs_comment "$tgt"
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local sh_script='
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pvs_comment="$(cat pvs-comment ; echo -n EOS)"
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filehead="$(head -c $(( ${#pvs_comment} - 3 )) "$1" ; echo -n EOS)"
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if test "x$filehead" != "x$pvs_comment" ; then
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cat pvs-comment "$1" > "$1.tmp"
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mv "$1.tmp" "$1"
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fi
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'
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cd "$tgt"
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if test "$only_build" != "--only-build" ; then
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find \
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src/nvim test/functional/fixtures test/unit/fixtures \
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\( -name '*.c' -a '!' -path '*xdiff*' \) \
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-exec /bin/sh -c "$sh_script" - '{}' \;
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fi
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find \
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build/src/nvim/auto build/config \
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-name '*.c' -not -name '*.test-include.c' \
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-exec /bin/sh -c "$sh_script" - '{}' \;
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rm pvs-comment
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)}
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run_analysis() {(
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local tgt="$1" ; shift
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cd "$tgt"
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if [ ! -r PVS-Studio.lic ]; then
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pvs-studio-analyzer credentials -o PVS-Studio.lic 'PVS-Studio Free' 'FREE-FREE-FREE-FREE'
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fi
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# pvs-studio-analyzer exits with a non-zero exit code when there are detected
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# errors, so ignore its return
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pvs-studio-analyzer \
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analyze \
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--lic-file PVS-Studio.lic \
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--threads "$(get_jobs_num)" \
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--exclude-path src/cjson \
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--exclude-path src/xdiff \
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--output-file PVS-studio.log \
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--file build/compile_commands.json \
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--sourcetree-root . || true
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rm -rf PVS-studio.{xml,err,tsk,html.d}
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local plog_args="PVS-studio.log --srcRoot . --excludedCodes V011,V1042,V1051,V1074"
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plog-converter $plog_args --renderTypes xml --output PVS-studio.xml
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plog-converter $plog_args --renderTypes errorfile --output PVS-studio.err
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plog-converter $plog_args --renderTypes tasklist --output PVS-studio.tsk
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plog-converter $plog_args --renderTypes fullhtml --output PVS-studio.html.d
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)}
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detect_url() {
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local url="${1:-detect}"
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if test "$url" = detect ; then
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curl --silent -L 'https://pvs-studio.com/en/pvs-studio/download-all/' \
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| grep -o 'https\{0,1\}://[^"<>]\{1,\}/pvs-studio[^/"<>]*-x86_64\.tgz' \
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|| echo FAILED
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else
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printf '%s' "$url"
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fi
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}
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do_check() {
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local tgt="$1" ; shift
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local branch="$1" ; shift
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local pvs_url="$1" ; shift
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local deps="$1" ; shift
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local environment_cc="$1" ; shift
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if test -z "$pvs_url" || test "$pvs_url" = FAILED ; then
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pvs_url="$(detect_url detect)"
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if test -z "$pvs_url" || test "$pvs_url" = FAILED ; then
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echo "failed to auto-detect PVS URL"
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exit 1
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fi
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echo "Auto-detected PVS URL: ${pvs_url}"
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fi
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git clone --branch="$branch" . "$tgt"
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install_pvs "$tgt" "$pvs_url"
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do_recheck "$tgt" "$deps" "$environment_cc" ""
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}
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do_recheck() {
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local tgt="$1" ; shift
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local deps="$1" ; shift
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local environment_cc="$1" ; shift
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local update="$1" ; shift
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if test -n "$update" ; then
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(
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cd "$tgt"
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local branch="$(git rev-parse --abbrev-ref HEAD)"
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git checkout --detach
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git fetch -f origin "${branch}:${branch}"
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git checkout -f "$branch"
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)
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fi
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create_compile_commands "$tgt" "$deps" "$environment_cc"
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do_analysis "$tgt"
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}
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do_analysis() {
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local tgt="$1" ; shift
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if test -d "$tgt/pvs-studio" ; then
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local saved_pwd="$PWD"
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cd "$tgt/pvs-studio"
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export PATH="$PWD/bin${PATH+:}${PATH}"
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cd "$saved_pwd"
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fi
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run_analysis "$tgt"
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}
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main() {
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eval "$(
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getopts_long \
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help store_const \
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pvs 'modify detect_url pvs_url' \
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patch store_const \
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only-build 'store_const --only-build' \
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recheck store_const \
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only-analyse store_const \
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pvs-install store_const \
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deps store_const \
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environment-cc store_const \
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update store_const \
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-- \
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'modify realdir tgt "$PWD/../neovim-pvs"' \
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'store branch master' \
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-- "$@"
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)"
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if test -n "$help" ; then
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help
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return 0
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fi
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if test -n "$patch" ; then
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patch_sources "$tgt" "$only_build"
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elif test -n "$pvs_install" ; then
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install_pvs "$tgt" "$pvs_url"
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elif test -n "$recheck" ; then
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do_recheck "$tgt" "$deps" "$environment_cc" "$update"
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elif test -n "$only_analyse" ; then
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do_analysis "$tgt"
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else
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do_check "$tgt" "$branch" "$pvs_url" "$deps" "$environment_cc"
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fi
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}
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main "$@"
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