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pvscheck.sh: auto-detect URL by default

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The hardcoded URL breaks very often, this confuses people.
Instead, auto-detect if no URL is provided.

Also auto-detect if the script is invoked with no arguments.
This commit is contained in:
Justin M. Keyes 2017-11-21 01:31:34 +01:00
parent 8674b0c3d1
commit 84d9245c70
1 changed files with 24 additions and 19 deletions
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43
scripts/pvscheck.sh
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@ -27,12 +27,8 @@ help() {
echo ' pvscheck.sh [--pvs URL] --pvs-install {target-directory}'
echo ' pvscheck.sh --patch [--only-build]'
echo
echo ' --pvs: Use the specified URL as a path to pvs-studio archive.'
echo ' By default latest tested version is used.'
echo
echo ' May use "--pvs detect" to try detecting latest version.'
echo ' That assumes certain viva64.com site properties and'
echo ' may be broken by the site update.'
echo ' --pvs: Fetch pvs-studio from URL.'
echo ' --pvs detect: Auto-detect latest version (by scraping viva64.com).'
echo
echo ' --deps: (for regular run) Use top-level Makefile and build deps.'
echo ' Without this it assumes all dependencies are already'
@ -360,6 +356,17 @@ run_analysis() {(
plog-converter -t tasklist -o PVS-studio.tsk PVS-studio.log
)}
detect_url() {
local url="${1:-detect}"
if test "$url" = detect ; then
curl --silent -L 'https://www.viva64.com/en/pvs-studio-download-linux/' \
| grep -o 'https\{0,1\}://[^"<>]\{1,\}/pvs-studio[^/"<>]*\.tgz' \
|| echo FAILED
else
printf '%s' "$url"
fi
}
do_check() {
local tgt="$1" ; shift
local branch="$1" ; shift
@ -367,6 +374,15 @@ do_check() {
local deps="$1" ; shift
local environment_cc="$1" ; shift
if test -z "$pvs_url" || test "$pvs_url" = FAILED ; then
pvs_url="$(detect_url detect)"
if test -z "$pvs_url" || test "$pvs_url" = FAILED ; then
echo "failed to auto-detect PVS URL"
exit 1
fi
echo "Auto-detected PVS URL: ${pvs_url}"
fi
git clone --branch="$branch" . "$tgt"
install_pvs "$tgt" "$pvs_url"
@ -397,22 +413,11 @@ do_analysis() {
run_analysis "$tgt"
}
detect_url() {
local url="${1:-detect}"
if test "$url" = detect ; then
curl -L 'https://www.viva64.com/en/pvs-studio-download-linux/' \
| grep -o 'https\{0,1\}://[^"<>]\{1,\}/pvs-studio[^/"<>]*\.tgz'
else
printf '%s' "$url"
fi
}
main() {
local def_pvs_url="http://files.viva64.com/pvs-studio-6.15.21741.1-x86_64.tgz"
eval "$(
getopts_long \
help store_const \
pvs 'modify detect_url pvs_url "${def_pvs_url}"' \
pvs 'modify detect_url pvs_url' \
patch store_const \
only-build 'store_const --only-build' \
recheck store_const \
@ -431,7 +436,7 @@ main() {
return 0
fi
set -x
# set -x
if test -n "$patch" ; then
patch_sources "$tgt" "$only_build"