mirror of
https://github.com/containers/podman.git
synced 2025-05-18 15:47:51 +08:00
ba9f18e2b8
It's not possible to run any of the scripts on distributions which do have `bash` not in `/bin`. This is being fixed by using `/usr/bin/env bash` instead. Signed-off-by: Sascha Grunert <sgrunert@suse.com>
111 lines
3.6 KiB
Bash
Executable File
111 lines
3.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Compare commands listed by 'podman help' against those in 'man podman'.
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# Recurse into subcommands as well.
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#
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# Because we read metadoc files in the `docs` directory, this script
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# must run from the top level of a git checkout. FIXME: if necessary,
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# it could instead run 'man podman-XX'; my thinking is that this
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# script should run early in CI.
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#
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# override with, e.g., PODMAN=./bin/podman-remote
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PODMAN=${PODMAN:-./bin/podman}
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function die() {
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echo "FATAL: $*" >&2
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exit 1
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}
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# Run 'podman help' (possibly against a subcommand, e.g. 'podman help image')
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# and return a list of each first word under 'Available Commands', that is,
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# the command name but not its description.
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function podman_commands() {
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$PODMAN help "$@" |\
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awk '/^Available Commands:/{ok=1;next}/^Flags:/{ok=0}ok { print $1 }' |\
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grep .
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}
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# Read a list of subcommands from a command's metadoc
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function podman_man() {
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if [ "$@" = "podman" ]; then
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# podman itself.
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# This md file has a table of the form:
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# | [podman-cmd(1)\[(podman-cmd.1.md) | Description ... |
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# For all such, print the 'cmd' portion (the one in brackets).
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sed -ne 's/^|\s\+\[podman-\([a-z]\+\)(1.*/\1/p' <docs/source/markdown/$1.1.md
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# Special case: there is no podman-help man page, nor need for such.
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echo "help"
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# Auto-update differs from other commands as it's a single command, not
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# a main and sub-command split by a dash.
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echo "auto-update"
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elif [ "$@" = "podman-image-trust" ]; then
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# Special case: set and show aren't actually in a table in the man page
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echo set
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echo show
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else
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# podman subcommand.
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# Each md file has a table of the form:
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# | cmd | [podman-cmd(1)](podman-cmd.1.md) | Description ... |
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# For all such we find, with 'podman- in the second column, print the
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# first column (with whitespace trimmed)
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awk -F\| '$3 ~ /podman-/ { gsub(" ","",$2); print $2 }' < docs/source/markdown/$1.1.md
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fi
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}
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# The main thing. Compares help and man page; if we find subcommands, recurse.
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rc=0
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function compare_help_and_man() {
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echo
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echo "checking: podman $@"
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# e.g. podman, podman-image, podman-volume
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local basename=$(echo podman "$@" | sed -e 's/ /-/g')
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podman_commands "$@" | sort > /tmp/${basename}_help.txt
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podman_man $basename | sort > /tmp/${basename}_man.txt
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diff -u /tmp/${basename}_help.txt /tmp/${basename}_man.txt || rc=1
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# Now look for subcommands, e.g. container, image
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for cmd in $(< /tmp/${basename}_help.txt); do
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usage=$($PODMAN "$@" $cmd --help | grep -A1 '^Usage:' | tail -1)
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# if string ends in '[command]', recurse into its subcommands
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if expr "$usage" : '.*\[command\]$' >/dev/null; then
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compare_help_and_man "$@" $cmd
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fi
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done
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rm -f /tmp/${basename}_{help,man}.txt
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}
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compare_help_and_man
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if [ $rc -ne 0 ]; then
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cat <<EOF
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**************************
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** INTERPRETING RESULTS **
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**************************************************************************
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*
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* The above results show differences between 'podman --help' and
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* podman man pages.
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*
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* The 'checking:' header indicates the specific command (and possibly
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* subcommand) being tested, e.g. podman --help vs docs/source/podman.1.md.
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*
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* A '-' indicates a subcommand present in 'podman --help' but not the
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* corresponding man page.
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*
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* A '+' indicates a subcommand present in the man page but not --help.
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*
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**************************************************************************
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EOF
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fi
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exit $rc
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