diff options
Diffstat (limited to 'hack/man-page-checker')
| -rwxr-xr-x | hack/man-page-checker | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/hack/man-page-checker b/hack/man-page-checker new file mode 100755 index 000000000..8e9b5a50d --- /dev/null +++ b/hack/man-page-checker @@ -0,0 +1,105 @@ +#!/bin/bash +# +# man-page-name-checker - validate and cross-reference man page names +# +# FIXME as of 2019-03-20 there are still four files with inconsistent names: +# +# podman-logs.1.md NAME= podman-container-logs +# podman-info.1.md NAME= podman-system-info +# podman-rm.1.md NAME= podman-container-rm +# podman-rmi.1.md NAME= podman-image-rm +# +# If those four get renamed (with suitable symlink fixes), this script +# can be enabled in CI to prevent future inconsistencies. +# + +die() { + echo "$(basename $0): $*" >&2 + exit 1 +} + +cd $(dirname $0)/../docs || die "Please run me from top-level libpod dir" + +rc=0 + +for md in *.1.md;do + # Read the first line after '# NAME' (or '## NAME'). (FIXME: # and ## + # are not the same; should we stick to one convention?) + # There may be more than one name, e.g. podman-info.1.md has + # podman-system-info then another line with podman-info. We + # care only about the first. + name=$(egrep -A1 '^#* NAME' $md|tail -1|awk '{print $1}' | tr -d \\\\) + + if [ "$name" != "$(basename $md .1.md)" ]; then + printf "%-32s NAME= %s\n" $md $name + rc=1 + fi +done + +# Pass 2: compare descriptions. +# +# Make sure the descriptive text in podman-foo.1.md matches the one +# in the table in podman.1.md. +for md in *.1.md;do + desc=$(egrep -A1 '^#* NAME' $md|tail -1|sed -e 's/^podman[^ ]\+ - //') + + # podman.1.md has a two-column table; podman-*.1.md all have three. + parent=$(echo $md | sed -e 's/^\(.*\)-.*$/\1.1.md/') + x=3 + if expr -- "$parent" : ".*-" >/dev/null; then + x=4 + fi + + # Find the descriptive text in the parent man page. + # Strip off the final period; let's not warn about such minutia. + parent_desc=$(grep $md $parent | awk -F'|' "{print \$$x}" | sed -e 's/^ \+//' -e 's/ \+$//' -e 's/\.$//') + + if [ "$desc" != "$parent_desc" ]; then + echo + printf " %-32s = '%s'\n" $md "$desc" + printf " %-32s = '%s'\n" $parent "$parent_desc" + rc=1 + fi +done + +# Pass 3: compare synopses. +# +# Make sure the SYNOPSIS line in podman-foo.1.md reads '**podman foo** ...' +for md in *.1.md;do + # FIXME: several pages have a multi-line form of SYNOPSIS in which + # many or all flags are enumerated. Some of these are trivial + # and really should be made into one line (podman-container-exists, + # container-prune, others); some are more complicated and I + # would still like to see them one-lined (container-runlabel, + # image-trust) but I'm not 100% comfortable doing so myself. + # To view those: + # $ less $(for i in docs/*.1.md;do x=$(grep -A2 '^#* SYNOPSIS' $i|tail -1); if [ -n "$x" ]; then echo $i;fi;done) + # + synopsis=$(egrep -A1 '^#* SYNOPSIS' $md|tail -1) + + # Command name must be bracketed by double asterisks; options and + # arguments are bracketed by single ones. + # E.g. '**podman volume inspect** [*options*] *volume*...' + # Get the command name, and confirm that it matches the md file name. + cmd=$(echo "$synopsis" | sed -e 's/\(.*\)\*\*.*/\1/' | tr -d \* | tr ' ' '-') + if [ "$md" != "$cmd.1.md" ]; then + printf " %-32s SYNOPSIS = %s\n" $md "$cmd" + rc=1 + fi + + # The convention is to use UPPER CASE in 'podman foo --help', + # but *lower case bracketed by asterisks* in the man page + if expr "$synopsis" : ".*[A-Z]" >/dev/null; then + printf " %-32s UPPER-CASE '%s'\n" $md "$synopsis" + rc=1 + fi + + # (for debugging, and getting a sense of standard conventions) + #printf " %-32s ------ '%s'\n" $md "$synopsis" + + # FIXME: some day: run ./bin/podman "args", extract Usage, + # strip off [flags] and [options], then compare arguments +done + + +exit $rc |