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commit f8effc0a72b1c35da845ba010d94a84eb9a39a83
parent cad38d5a36776b111150a24fa7490799d22c08ee
Author: Eli Barzilay <eli@barzilay.org>
Date:   Thu, 13 Oct 2011 17:25:50 -0400

Rewrote large parts of the unix installer script.

It's now simpler, shorter, and better.  Some of the text is revised,
accepts environment variables when asked for the path, some additional
fixes in misc places.

original commit: 3589a703087038a58ae3c3cb27a5dc7d2e4aec47

Diffstat:
Mcollects/meta/build/unix-installer/installer-header | 508+++++++++++++++++++++++++++++++------------------------------------------------
1 file changed, 199 insertions(+), 309 deletions(-)

diff --git a/collects/meta/build/unix-installer/installer-header b/collects/meta/build/unix-installer/installer-header @@ -20,9 +20,10 @@ failwith() { fi exit 1 } -exithandler() { - failwith "Aborting..." -} +# intentional aborts +abort() { failwith "abort."; } +# unexpected exits +exithandler() { failwith "Aborting..."; } trap exithandler 2 3 9 15 @@ -40,11 +41,6 @@ lookfor() { failwith "could not find \"$1\"." } -link() { # args are source, target, where we are - "$rm" -f "$2" || failwith "could not remove \"$2\" in \"$3\"." - "$ln" -s "$1" "$2" || failwith "could not link \"$2\" in \"$3\"." -} - lookfor rm lookfor ls lookfor ln @@ -62,6 +58,12 @@ _POSIX2_VERSION=199209 export _POSIX2_VERSION origwd="`pwd`" +installer_file="$0" +cat_installer() { + oldwd="`pwd`"; cd "$origwd" + "$tail" +"$BINSTARTLINE" "$installer_file" + cd "$oldwd" +} echo "This program will extract and install $DISTNAME." echo "" @@ -97,6 +99,7 @@ done ############################################################################### ## Where do you want it? +## sets $where to the location: target path for wholedir, prefix for unixstyle echo "" if test "$unixstyle" = "Y"; then @@ -119,363 +122,250 @@ else fi echon "> " read where -case "$where" in - "~/"* ) where="$HOME/${where#\~/}" ;; - "~"* ) failwith "cannot use '~user' paths" ;; -esac -case "$unixstyle$where" in - ? | ?1 ) where="/usr" ;; - ?2 ) where="/usr/local" ;; - ?3 ) where="$HOME" ;; - ?4 | ?. ) where="`pwd`" ;; - N/* ) TARGET="`\"$basename\" \"$where\"`" - where="`\"$dirname\" \"$where\"`" ;; - Y/* ) ;; - N* ) TARGET="`\"$basename\" \"$where\"`" - where="`\"$dirname\" \"$where\"`" - if test -d "$where"; then cd "$where"; where="`pwd`"; cd "$origwd" - else where="`pwd`/$where"; fi ;; - Y* ) if test -d "$where"; then cd "$where"; where="`pwd`"; cd "$origwd" - else where="`pwd`/$where"; fi ;; -esac - -if test "$unixstyle" = "N"; then - # can happen when choosing the root - if test "$TARGET" = "/"; then - failwith "refusing to remove your root" - fi -fi -# BASE can be used with "$BASE/$TARGET" to avoid a double slash -case "$where" in - "" ) failwith "internal error (empty \$where)" ;; - "/" ) BASE="" ;; - *"/" ) failwith "internal error (\$where ends in a slash)" ;; - "/"* ) BASE="$where" ;; - * ) failwith "internal error (\$where is not absolute)" ;; +# numeric choice (make "." and "./" synonym for 4) +if test "$unixstyle" = "Y"; then TARGET1="" +else TARGET1="/$TARGET"; fi +case "x$where" in + x | x1 ) where="/usr$TARGET1" ;; + x2 ) where="/usr/local${TARGET1}" ;; + x3 ) where="${HOME}${TARGET1}" ;; + x4 | x. | x./ ) where="`pwd`${TARGET1}" ;; esac -if test ! -d "$where"; then - failwith "the directory \"$where\" does not exist." -fi -if test ! -w "$where"; then - failwith "cannot write to \"$where\"." -fi +# substitute env vars and tildes +where="`eval \"echo \\\"$where\\\"\"`" ############################################################################### -## Deal with Unix-style path questions - -set_prefix() { - BASE="$1" - # default dirs -- mimic configure behavior - bindir="$BASE/bin" - collectsdir="$BASE/lib/racket/collects" - if test -d "$BASE/share"; then docdir="$BASE/share/racket/doc" - elif test -d "$BASE/doc"; then docdir="$BASE/doc/racket" - else docdir="$BASE/share/racket/doc" +## Default system directories prefixed by $1, mimic configure behavior +## used for unixstyle targets and for wholedir links + +set_dirs() { + # unixstyle: uses all of these + # wholedir: uses only bindir & mandir, no need for the others + bindir="$1/bin" + libdir="$1/lib" + incrktdir="$1/include/$TARGET" + librktdir="$1/lib/$TARGET" + collectsdir="$1/lib/$TARGET/collects" + has_share="N" + if test -d "$1/share"; then has_share="Y"; fi + if test "$has_share" = "N" && test -d "$1/doc"; then docdir="$1/doc/$TARGET" + else docdir="$1/share/$TARGET/doc" + fi + if test "$has_share" = "N" && test -d "$1/man"; then mandir="$1/man" + else mandir="$1/share/man" fi - libdir="$BASE/lib" - includerktdir="$BASE/include/racket" - librktdir="$BASE/lib/racket" - mandir="$BASE/man" # The source tree is always removed -- no point keeping it if it won't work - # if test -d "$BASE/share"; then srcdir="$BASE/share/racket/src" - # elif test -d "$BASE/src"; then srcdir="$BASE/src/racket" - # else srcdir="$BASE/share/racket/src" + # if test "$has_share" = "N" && test -d "$1/src"; then srcdir="$1/src/$TARGET" + # else srcdir="$1/share/$TARGET/src" # fi } +############################################################################### +## Integrity check and unpack into $1 +## also sets $INSTDIR to the directory in its canonical form + +unpack_installation() { + T="$1" + # integrity check + echo "" + echon "Checking the integrity of the binary archive... " + SUM="`cat_installer | \"$cksum\"`" || failwith "problems running cksum." + SUM="`set $SUM; echo $1`" + test "$BINSUM" = "$SUM" || failwith "bad CRC checksum." + echo "ok." + # test that the target does not exists + if test -d "$T" || test -f "$T"; then + if test -d "$T"; then + # use the real name, so "/foo/.." shows as an explicit "/" + oldwd="`pwd`"; cd "$T"; T="`pwd`"; cd "$oldwd"; echon "\"$T\" exists" + else + echon "\"$T\" exists (as a file)" + fi + echon ", delete? " + read R + case "$R" in + [yY]* ) + echon "Deleting old \"$T\"... " + "$rm" -rf "$T" || failwith "could not delete \"$T\"." + echo "done." + ;; + * ) abort ;; + esac + fi + # unpack + rm_on_abort="$T" + "$mkdir" -p "$T" || failwith "could not create directory: $T" + oldwd="`pwd`"; cd "$T"; INSTDIR="`pwd`"; cd "$oldwd" + echon "Unpacking into \"$INSTDIR\" (Ctrl+C to abort)... " + cat_installer | "$gunzip" -c \ + | { cd "$INSTDIR" + "$tar" xf - || failwith "problems during unpacking of binary archive." + } + test -d "$INSTDIR/collects" \ + || failwith "unpack failed (could not find \"$T/collects\")." + echo "done." +} + +############################################################################### +## Whole-directory installations + +wholedir_install() { + + unpack_installation "$where" + rm_on_abort="" + + echo "" + echo "If you want to install new system links within the \"bin\" and" + echo " \"man\" subdirectories of a common directory prefix (for example," + echo " \"/usr/local\") then enter the prefix of an existing directory" + echo " that you want to use. This might overwrite existing symlinks," + echo " but not files." + echon "(default: skip links) > " + read SYSDIR + if test "x$SYSDIR" = "x"; then : + elif test ! -d "$SYSDIR"; then + echo "\"$SYSDIR\" does not exist, skipping links." + elif test ! -w "$SYSDIR"; then + echo "\"$SYSDIR\" is not writable, skipping links." + else + oldwd="`pwd`"; cd "$SYSDIR"; SYSDIR="`pwd`"; cd "$oldwd" + set_dirs "$SYSDIR" + install_links() { # tgtdir(absolute) srcdir(relative to INSTDIR) + if ! test -d "$1"; then + echo "\"$1\" does not exist, skipping." + elif ! test -w "$1"; then + echo "\"$1\" is not writable, skipping" + else + echo "Installing links in \"$1\"..." + printsep=" " + cd "$1" + for x in `cd "$INSTDIR/$2"; ls`; do + echon "${printsep}$x"; printsep=", " + if test -h "$x"; then rm -f "$x"; fi + if test -d "$x" || test -f "$x"; then + echon " skipped (non-link exists)" + elif ! "$ln" -s "$INSTDIR/$2/$x" "$x"; then + echon " skipped (symlink failed)" + fi + done + echo ""; echo " done." + fi + } + install_links "$bindir" "bin" + install_links "$mandir/man1" "man/man1" + fi + +} + +############################################################################### +## Unix-style installations + dir_createable() { test_dir="`\"$dirname\" \"$1\"`" if test -d "$test_dir" && test -w "$test_dir"; then return 0 elif test "$test_dir" = "/"; then return 1 else dir_createable "$test_dir"; fi } - show_dir_var() { - if test -f "$2"; then dir_status="(error: not a directory!)"; err="Y" + if test -f "$2"; then status="error: not a directory!"; err="Y" elif test ! -d "$2"; then - if dir_createable "$2"; then dir_status="(will be created)" - else dir_status="(error: not writable!)"; err="Y"; fi - elif test ! -w "$2"; then dir_status="(error: not writable!)"; err="Y" - else dir_status="(exists)" + if dir_createable "$2"; then status="will be created" + else status="error: not writable!"; err="Y"; fi + elif test ! -w "$2"; then status="error: not writable!"; err="Y" + else status="exists" fi - echo " $1 $2 $dir_status" + echo " $1 $2 ($status)" } -read_dir() { - echon "New directory: " - read new_dir - case "$new_dir" in - "/"* ) echo "$new_dir" ;; - * ) echo "$BASE/$new_dir" ;; - esac -} +unixstyle_install() { -if test "$unixstyle" = "Y"; then - set_prefix "$BASE" + if test -f "$where"; then + failwith "The entered base directory exists as a file: $where" + elif test ! -d "$where"; then + echo "Base directory does not exist: $where" + echon " should I create it? (default: yes) " + read R; case "$R" in [nN]* ) abort ;; esac + "$mkdir" -p "$where" || failwith "could not create directory: $where" + fi + cd "$where" || failwith "Base directory does not exist: $where" + where="`pwd`"; cd "$origwd" + + set_dirs "$where" # loop for possible changes done="N" - while test ! "$done" = "Y"; do + while test ! "$done" = "Y" || test "x$err" = "xY" ; do echo "" echo "Target Directories:" err="N" show_dir_var "[e] Executables " "$bindir" - show_dir_var "[s] Scheme Code " "$collectsdir" + show_dir_var "[r] Racket Code " "$collectsdir" show_dir_var "[d] Core Docs " "$docdir" show_dir_var "[l] C Libraries " "$libdir" - show_dir_var "[h] C headers " "$includerktdir" + show_dir_var "[h] C headers " "$incrktdir" show_dir_var "[o] Extra C Objs " "$librktdir" show_dir_var "[m] Man Pages " "$mandir" if test "$PNAME" = "full"; then echo " (C sources are not kept)" - # show_dir_var "[r] Source Tree " "$srcdir" + # show_dir_var "[s] Source Tree " "$srcdir" fi - if test "$err" = "Y"; then echo "*** Errors in some paths ***"; fi - echo "Enter a letter to change an entry, a new prefix, or enter to continue" - echon "> " - read change_what + echo "Enter a letter to change an entry, or enter to continue" + echon "> "; read change_what + read_dir() { + echon "New directory (absolute or relative to $where): "; read new_dir + case "$new_dir" in + "/"* ) echo "$new_dir" ;; + * ) echo "$where/$new_dir" ;; + esac + } case "$change_what" in [eE]* ) bindir="`read_dir`" ;; - [sS]* ) collectsdir="`read_dir`" ;; + [rR]* ) collectsdir="`read_dir`" ;; [dD]* ) docdir="`read_dir`" ;; [lL]* ) libdir="`read_dir`" ;; - [hH]* ) includerktdir="`read_dir`" ;; + [hH]* ) incrktdir="`read_dir`" ;; [oO]* ) librktdir="`read_dir`" ;; [mM]* ) mandir="`read_dir`" ;; - # [rR]* ) if test "$PNAME" = "full"; then - # srcdir="`read_dir`" - # else - # echo "Invalid response" - # fi ;; - "/"* ) set_prefix "$change_what" ;; - "" ) done="Y" ;; + # [sS]* ) if test "$PNAME" = "full"; then srcdir="`read_dir`" + # else echo "Invalid response"; fi ;; + "" ) if test "$err" = "N"; then done="Y" + else echo "*** Please fix erroneous paths to proceed"; fi ;; * ) echo "Invalid response" ;; esac done - if test "$err" = "Y"; then failwith "errors in some paths"; fi -fi - -############################################################################### -## Integrity check -echo "" -echon "Checking the integrity of the binary archive... " -SUM="`\"$tail\" +\"$BINSTARTLINE\" \"$0\" | \"$cksum\"`" \ - || failwith "problems running cksum." -SUM="`set $SUM; echo $1`" -test "$BINSUM" = "$SUM" || failwith "bad CRC checksum." -echo "ok." - -############################################################################### -## Unpacking into $BASE/$TARGET - -unpack_installation() { - # test that no TARGET exists - if test -d "$BASE/$TARGET" || test -f "$BASE/$TARGET"; then - echon "\"$BASE/$TARGET\" exists, delete? " + if test -x "$bindir/racket-uninstall"; then + echo "A previous Racket uninstaller is found at" + echo " \"$bindir/racket-uninstall\"," + echon " should I run it? (default: yes) " read R case "$R" in - [yY]* ) - echon "Deleting old \"$BASE/$TARGET\"... " - "$rm" -rf "$BASE/$TARGET" \ - || failwith "could not delete \"$BASE/$TARGET\"." - echo "done." - ;; - * ) failwith "aborting because \"$BASE/$TARGET\" exists." ;; + [nN]* ) abort ;; + * ) echon " running uninstaller..." + "$bindir/racket-uninstall" || failwith "problems during uninstall" + echo " done." ;; esac fi - # unpack - echon "Unpacking into \"$BASE/$TARGET\"... " - rm_on_abort="$BASE/$TARGET" - "$mkdir" "$BASE/$TARGET" - "$tail" +"$BINSTARTLINE" "$0" | "$gunzip" -c \ - | { cd "$BASE/$TARGET" - "$tar" xf - || failwith "problems during unpacking of binary archive." - } - cd "$BASE/$TARGET" - test -d "collects" \ - || failwith "unpack failed (could not find \"$BASE/$TARGET/collects\")." - echo "done." -} - -############################################################################### -## Whole-directory installations - -wholedir_install() { - -unpack_installation -rm_on_abort="" - -cd "$BASE" -if test -d "bin"; then - echo "Do you want to install new system links within the bin, lib, include," - echo " man, and doc subdirectories of \"$BASE\", possibly overriding" - echon " existing links? " - read R - case "$R" in - [yY]* ) sysdir="$BASE" ;; - * ) sysdir="" ;; - esac -else - cd "$origwd" - echo "" - echo "If you want to install new system links within the bin, lib, include," - echo " man, and doc subdirectories of a common directory prefix (for" - echo " example, \"/usr/local\") then enter the prefix you want to use." - echon "(default: skip links) > " - read sysdir - if test ! "x$sysdir" = "x"; then - if test ! -d "$sysdir"; then - echo "Directory \"$sysdir\" does not exist, skipping links." - sysdir="" - elif test ! -w "$sysdir"; then - echo "Directory \"$sysdir\" is not writable, skipping links." - sysdir="" - else - cd "$sysdir" - sysdir="`pwd`" - fi - fi -fi -if test ! "x$sysdir" = "x"; then - # binaries - cd "$sysdir" - if test -d "bin" && test -w "bin"; then - echo "Installing links in \"$sysdir/bin\"..." - printsep=" " - cd "bin" - for x in `cd "$BASE/$TARGET/bin"; ls`; do - if test -x "$BASE/$TARGET/bin/$x"; then - echon "${printsep}$x" - printsep=", " - link "$BASE/$TARGET/bin/$x" "$x" "$sysdir/bin" - fi - done - echo "" - echo "Done. (see \"$BASE/$TARGET/bin\" for other executables)" - else - echo "Skipping \"$sysdir/bin\" (does not exist or not writable)." - fi - # man pages - cd "$sysdir" - if test -d "man" && test -d "man/man1" && test -w "man/man1"; then - mandir="man/man1" - elif test -d "share" && test -d "share/man" && test -d "share/man/man1" \ - && test -w "share/man/man1"; then - mandir="share/man/man1" - else - mandir="" + tmp="$where/$TARGET-tmp-install" + if test -f "$tmp" || test -d "$tmp"; then + echo "\"$tmp\" already exists (needed for the installation)," + echon " ok to remove it? " + read R; case "$R" in [yY]* ) "$rm" -rf "$tmp" ;; * ) abort ;; esac fi - if test "x$mandir" = "x"; then - echo "Skipping \"$sysdir/man/man1\" (does not exist or not writable)." - else - cd "$mandir" - echo "Installing links in \"$sysdir/$mandir\"..." - printsep=" " - for x in `cd "$BASE/$TARGET/man/man1/"; "$ls"`; do - echon "${printsep}$x" - printsep=", " - link "$BASE/$TARGET/man/man1/$x" "$x" "$sysdir/$mandir" - done - echo "" - echo "Done" - fi - # lib link - cd "$sysdir" - if test -d "lib" && test -w "lib"; then - libdir="lib" - elif test -d "share" && test -d "share/lib" && test -w "share/lib"; then - libdir="share/lib" - else - libdir="" - fi - if test "x$libdir" = "x"; then - echo "Skipping \"$sysdir/lib\" (does not exist or not writable)." - else - cd "$libdir" - echo "Installing \"$sysdir/$libdir/$TARGET\"." - link "$BASE/$TARGET/lib" "$TARGET" "$sysdir/$libdir" - fi - # include link - cd "$sysdir" - if test -d "include" && test -w "include"; then - incdir="include" - elif test -d "share" && test -d "share/include" \ - && test -w "share/include"; then - incdir="share/include" - else - incdir="" - fi - if test "x$incdir" = "x"; then - echo "Skipping \"$sysdir/include\" (does not exist or not writable)." - else - cd "$incdir" - echo "Installing \"$sysdir/$incdir/$TARGET\"." - link "$BASE/$TARGET/include" "$TARGET" "$sysdir/$incdir" - fi - # doc link - cd "$sysdir" - if test -d "doc" && test -w "doc"; then - docdir="doc" - elif test -d "share" && test -d "share/doc" && test -w "share/doc"; then - docdir="share/doc" - else - docdir="" - fi - if test "x$docdir" = "x"; then - echo "Skipping \"$sysdir/doc\" (does not exist or not writable)." - else - cd "$docdir" - echo "Installing \"$sysdir/$docdir/$TARGET\"." - link "$BASE/$TARGET/doc" "$TARGET" "$sysdir/$docdir" - fi -fi - -} - -############################################################################### -## Unix-style installations - -unixstyle_install() { - -TARGET="$TARGET-tmp-install" -if test -e "$BASE/$TARGET"; then - echo "\"$BASE/$TARGET\" already exists (needed for the installation)," - echon " ok to remove? " - read R - case "$R" in - [yY]* ) "$rm" -rf "$BASE/$TARGET" ;; - * ) failwith "abort..." ;; - esac -fi - -if test -x "$bindir/racket-uninstall"; then - echo "A previous Racket uninstaller is found at" - echo " \"$bindir/racket-uninstall\"," - echon " should I run it? (default: yes) " - read R - case "$R" in - [nN]* ) failwith "abort..." ;; - * ) echon " running uninstaller..." - "$bindir/racket-uninstall" || failwith "problems during uninstall" - echo " done." ;; - esac -fi - -unpack_installation + unpack_installation "$tmp" -cd "$BASE" -"$TARGET/bin/racket" "$TARGET/collects/setup/unixstyle-install.rkt" \ - "move" "$BASE/$TARGET" "$bindir" "$collectsdir" "$docdir" "$libdir" \ - "$includerktdir" "$librktdir" "$mandir" \ -|| failwith "installation failed" + cd "$where" + "$tmp/bin/racket" "$tmp/collects/setup/unixstyle-install.rkt" \ + "move" "$tmp" "$bindir" "$collectsdir" "$docdir" "$libdir" \ + "$incrktdir" "$librktdir" "$mandir" \ + || failwith "installation failed" } ############################################################################### -## Done +## Run the right installer now if test "$unixstyle" = "Y"; then unixstyle_install; else wholedir_install; fi