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authordkf <donal.k.fellows@manchester.ac.uk>2010-02-19 09:56:48 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2010-02-19 09:56:48 (GMT)
commit57ee061f92f967744eb386d744f4fb4d41534e55 (patch)
tree409a018bd4295524628d84b0c48b2a8238f6b9fe /unix
parent6cb164284e90f09d42fd4027a4c30a1491a0afae (diff)
downloadtcl-57ee061f92f967744eb386d744f4fb4d41534e55.zip
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[Bug 2954638]: Correct behaviour of manual page installer. Also added armouring
to check that assumptions about the initial state are actually valid (e.g., look for existing input file).
Diffstat (limited to 'unix')
-rwxr-xr-xunix/installManPage103
1 files changed, 76 insertions, 27 deletions
diff --git a/unix/installManPage b/unix/installManPage
index 993d097..e636db7 100755
--- a/unix/installManPage
+++ b/unix/installManPage
@@ -1,12 +1,29 @@
#!/bin/sh
-ZIP=:
+########################################################################
+### Parse Options
+###
+
+Gzip=:
+SymOrLoc=""
+Gz=""
+Suffix=""
+
while true; do
case $1 in
- -s | --symlinks ) S="-s ";;
- -z | --compress ) ZIP=$2; shift ;;
- -e | --extension ) Z=$2; shift ;;
- -s | --suffix ) SUFFIX=$2; shift ;;
+ -s | --symlinks ) SymOrLoc="-s " ;;
+ -z | --compress ) Gzip=$2; shift ;;
+ -e | --extension ) Gz=$2; shift ;;
+ -x | --suffix ) Suffix=$2; shift ;;
+ -*) cat <<EOF
+Unknown option "$1". Supported options:
+ -s Use symbolic links for manpages with multiple names.
+ -z PROG Use PROG to compress manual pages.
+ -e EXT Defines the extension added by -z PROG when compressing.
+ -x SUFF Defines an extra extension suffix to use.
+Option names may not be combined getopt-style.
+EOF
+ exit 1 ;;
*) break ;;
esac
shift
@@ -16,16 +33,32 @@ if test "$#" != 2; then
exit 1
fi
-MANPAGE=$1
-DIR=$2
-test -z "$S" && S="$DIR/"
+########################################################################
+### Parse Required Arguments
+###
+
+ManPage=$1
+Dir=$2
+if test -f $ManPage ; then : ; else
+ echo "source manual page file must exist"
+ exit 1
+fi
+if test -d $Dir ; then : ; else
+ echo "target directory must exist"
+ exit 1
+fi
+test -z "$SymOrLoc" && SymOrLoc="$Dir/"
+
+########################################################################
+### Extract Target Names from Manual Page
+###
# A sed script to parse the alternative names out of a man page.
#
# Backslashes are trippled in the sed script, because it is in
# backticks which doesn't pass backslashes literally.
#
-NAMES=`sed -n '
+Names=`sed -n '
# Look for a line, that starts with .SH NAME
# optionally allow NAME to be surrounded
# by quotes.
@@ -40,28 +73,44 @@ NAMES=`sed -n '
s/ \\\-.*//
# print the result and exit
p;q
- }' $MANPAGE`
+ }' $ManPage`
+
+if test -z $Names ; then
+ echo "warning: no target names found in $ManPage"
+fi
-case $MANPAGE in
- *.1) SECTION=1 ;;
- *.3) SECTION=3 ;;
- *.n) SECTION=n ;;
+########################################################################
+### Remaining Set Up
+###
+
+case $ManPage in
+ *.1) Section=1 ;;
+ *.3) Section=3 ;;
+ *.n) Section=n ;;
+ *) echo "unknown section for $ManPage"
+ exit 2 ;;
esac
-SRCDIR=`dirname $MANPAGE`
+SrcDir=`dirname $ManPage`
+
+########################################################################
+### Process Page to Create Target Pages
+###
-FIRST=""
-for f in $NAMES; do
- f=$f.$SECTION$SUFFIX
- if test -z "$FIRST" ; then
- FIRST=$f
- rm -f $DIR/$FIRST $DIR/$FIRST.*
- sed -e "/man\.macros/r $SRCDIR/man.macros" -e "/man\.macros/d" \
- $MANPAGE > $DIR/$FIRST
- chmod 444 $DIR/$FIRST
- $ZIP $DIR/$FIRST
+First=""
+for Target in $Names; do
+ Target=$Target.$Section$Suffix
+ rm -f $Dir/$Target $Dir/$Target.*
+ if test -z "$First" ; then
+ First=$Target
+ sed -e "/man\.macros/r $SrcDir/man.macros" -e "/man\.macros/d" \
+ $ManPage > $Dir/$First
+ chmod 444 $Dir/$First
+ $Gzip $Dir/$First
else
- rm -f $DIR/$f $DIR/$f.*
- ln $S$FIRST$Z $DIR/$f$Z
+ ln $SymOrLoc$First$Gz $Dir/$Target$Gz
fi
done
+
+########################################################################
+exit 0