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runtime(getscript): check for network errors

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related: #17249

Co-authored-by: Philip H. <47042125+pheiduck@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Christian Brabandt
2025-05-11 14:43:11 +02:00
parent 5a18ccf490
commit 74e8f28b5c
1 changed files with 67 additions and 82 deletions
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149
runtime/autoload/getscript.vim
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@@ -13,6 +13,7 @@
" substitution of hardcoded commands with global variables
" 2024 Nov 12 by Vim Project: fix problems on Windows (#16036)
" 2025 Feb 28 by Vim Project: add support for bzip3 (#16755)
" 2025 May 11 by Vim Project: check network connectivity (#17249)
" }}}
"
" GetLatestVimScripts: 642 1 :AutoInstall: getscript.vim
@@ -147,9 +148,6 @@ if g:GetLatestVimScripts_allowautoinstall
elseif exists('$HOME') && isdirectory(expand("$HOME")."/".s:dotvim)
let s:autoinstall= $HOME."/".s:dotvim
endif
" call Decho("s:autoinstall<".s:autoinstall.">")
"else "Decho
" call Decho("g:GetLatestVimScripts_allowautoinstall=".g:GetLatestVimScripts_allowautoinstall.": :AutoInstall: disabled")
endif
" ---------------------------------------------------------------------
@@ -163,24 +161,19 @@ silent! com -nargs=0 GLVS call getscript#GetLatestVimScripts()
" scripts based on the list in
" (first dir in runtimepath)/GetLatest/GetLatestVimScripts.dat
fun! getscript#GetLatestVimScripts()
" call Dfunc("GetLatestVimScripts() autoinstall<".s:autoinstall.">")
" insure that wget is executable
if executable(g:GetLatestVimScripts_wget) != 1
echoerr "GetLatestVimScripts needs ".g:GetLatestVimScripts_wget." which apparently is not available on your system"
" call Dret("GetLatestVimScripts : wget not executable/available")
return
endif
" Find the .../GetLatest subdirectory under the runtimepath
for datadir in split(&rtp,',') + ['']
if isdirectory(datadir."/GetLatest")
" call Decho("found directory<".datadir.">")
let datadir= datadir . "/GetLatest"
break
endif
if filereadable(datadir."GetLatestVimScripts.dat")
" call Decho("found ".datadir."/GetLatestVimScripts.dat")
break
endif
endfor
@@ -188,32 +181,25 @@ fun! getscript#GetLatestVimScripts()
" Sanity checks: readability and writability
if datadir == ""
echoerr 'Missing "GetLatest/" on your runtimepath - see :help glvs-dist-install'
" call Dret("GetLatestVimScripts : unable to find a GetLatest subdirectory")
return
endif
if filewritable(datadir) != 2
echoerr "(getLatestVimScripts) Your ".datadir." isn't writable"
" call Dret("GetLatestVimScripts : non-writable directory<".datadir.">")
return
endif
let datafile= datadir."/GetLatestVimScripts.dat"
if !filereadable(datafile)
echoerr "Your data file<".datafile."> isn't readable"
" call Dret("GetLatestVimScripts : non-readable datafile<".datafile.">")
return
endif
if !filewritable(datafile)
echoerr "Your data file<".datafile."> isn't writable"
" call Dret("GetLatestVimScripts : non-writable datafile<".datafile.">")
return
endif
" --------------------
" Passed sanity checks
" --------------------
" call Decho("datadir <".datadir.">")
" call Decho("datafile <".datafile.">")
" don't let any event handlers interfere (like winmanager's, taglist's, etc)
let eikeep = &ei
let hlskeep = &hls
@@ -226,25 +212,20 @@ fun! getscript#GetLatestVimScripts()
" 3. split window
" 4. edit datafile
let origdir= getcwd()
" call Decho("exe cd ".fnameescape(substitute(datadir,'\','/','ge')))
exe "cd ".fnameescape(substitute(datadir,'\','/','ge'))
split
" call Decho("exe e ".fnameescape(substitute(datafile,'\','/','ge')))
exe "e ".fnameescape(substitute(datafile,'\','/','ge'))
res 1000
let s:downloads = 0
let s:downerrors= 0
let s:message = []
" Check on dependencies mentioned in plugins
" call Decho(" ")
" call Decho("searching plugins for GetLatestVimScripts dependencies")
let lastline = line("$")
" call Decho("lastline#".lastline)
let firstdir = substitute(&rtp,',.*$','','')
let plugins = split(globpath(firstdir,"plugin/**/*.vim"),'\n')
let plugins += split(globpath(firstdir,"ftplugin/**/*.vim"),'\n')
let plugins += split(globpath(firstdir,"AsNeeded/**/*.vim"),'\n')
" extend the search to the packages too (this script predates the feature)
let plugins += split(globpath(firstdir,"pack/*/start/*/plugin/**/*.vim"),'\n')
let plugins += split(globpath(firstdir,"pack/*/opt/*/plugin/**/*.vim"),'\n')
let plugins += split(globpath(firstdir,"pack/*/start/*/ftplugin/**/*.vim"),'\n')
@@ -257,14 +238,10 @@ fun! getscript#GetLatestVimScripts()
" It reads the plugin script at the end of the GetLatestVimScripts.dat
" file, examines it, and then removes it.
for plugin in plugins
" call Decho(" ")
" call Decho("plugin<".plugin.">")
" read plugin in
" evidently a :r creates a new buffer (the "#" buffer) that is subsequently unused -- bwiping it
$
" call Decho(".dependency checking<".plugin."> line$=".line("$"))
" call Decho("..exe silent r ".fnameescape(plugin))
exe "silent r ".fnameescape(plugin)
exe "silent bwipe ".bufnr("#")
@@ -272,7 +249,6 @@ fun! getscript#GetLatestVimScripts()
let depscript = substitute(getline("."),'^"\s\+GetLatestVimScripts:\s\+\d\+\s\+\d\+\s\+\(.*\)$','\1','e')
let depscriptid = substitute(getline("."),'^"\s\+GetLatestVimScripts:\s\+\(\d\+\)\s\+.*$','\1','')
let llp1 = lastline+1
" call Decho("..depscript<".depscript.">")
" found a "GetLatestVimScripts: # #" line in the script;
" check if it's already in the datafile by searching backwards from llp1,
@@ -286,21 +262,17 @@ fun! getscript#GetLatestVimScripts()
" this second search is taken when, for example, a 0 0 scriptname is to be skipped over
let srchline= search('\<'.noai_script.'\>','bW')
endif
" call Decho("..noai_script<".noai_script."> depscriptid#".depscriptid." srchline#".srchline." curline#".line(".")." lastline#".lastline)
if srchline == 0
" found a new script to permanently include in the datafile
let keep_rega = @a
let @a = substitute(getline(curline),'^"\s\+GetLatestVimScripts:\s\+','','')
echomsg "Appending <".@a."> to ".datafile." for ".depscript
" call Decho("..Appending <".@a."> to ".datafile." for ".depscript)
exe lastline."put a"
let @a = keep_rega
let lastline = llp1
let curline = curline + 1
let foundscript = foundscript + 1
" else " Decho
" call Decho("..found <".noai_script."> (already in datafile at line#".srchline.")")
endif
let curline = curline + 1
@@ -309,12 +281,8 @@ fun! getscript#GetLatestVimScripts()
" llp1: last line plus one
let llp1= lastline + 1
" call Decho(".deleting lines: ".llp1.",$d")
exe "silent! ".llp1.",$d"
endfor
" call Decho("--- end dependency checking loop --- foundscript=".foundscript)
" call Decho(" ")
" call Dredir("BUFFER TEST (GetLatestVimScripts 1)","ls!")
if foundscript == 0
setlocal nomod
@@ -323,32 +291,32 @@ fun! getscript#GetLatestVimScripts()
" --------------------------------------------------------------------
" Check on out-of-date scripts using GetLatest/GetLatestVimScripts.dat
" --------------------------------------------------------------------
" call Decho("begin: checking out-of-date scripts using datafile<".datafile.">")
setlocal lz
1
" /^-----/,$g/^\s*\d/call Decho(getline("."))
1
/^-----/,$g/^\s*\d/call s:GetOneScript()
" call Decho("--- end out-of-date checking --- ")
" Final report (an echomsg)
try
silent! ?^-------?
catch /^Vim\%((\a\+)\)\=:E114/
" call Dret("GetLatestVimScripts : nothing done!")
return
endtry
exe "norm! kz\<CR>"
redraw!
if !empty(s:message)
echohl WarningMsg
for mess in s:message
echom mess
endfor
let s:downerrors += len(s:message)
endif
let s:msg = ""
if s:downloads == 1
let s:msg = "Downloaded one updated script to <".datadir.">"
elseif s:downloads == 2
let s:msg= "Downloaded two updated scripts to <".datadir.">"
elseif s:downloads > 1
let s:msg= "Downloaded ".s:downloads." updated scripts to <".datadir.">"
else
let s:msg= "Everything was already current"
let s:msg= empty(s:message) ? "Everything was already current" : "There were some errors"
endif
if s:downerrors > 0
let s:msg= s:msg." (".s:downerrors." downloading errors)"
@@ -366,8 +334,6 @@ fun! getscript#GetLatestVimScripts()
let &hls = hlskeep
let &acd = acdkeep
setlocal nolz
" call Dredir("BUFFER TEST (GetLatestVimScripts 2)","ls!")
" call Dret("GetLatestVimScripts : did ".s:downloads." downloads")
endfun
" ---------------------------------------------------------------------
@@ -376,8 +342,6 @@ endfun
" ScriptID, SourceID, and Filename.
" It downloads any scripts that have newer versions from vim.sourceforge.net.
fun! s:GetOneScript(...)
" call Dfunc("GetOneScript()")
" set options to allow progress to be shown on screen
let rega= @a
let t_ti= &t_ti
@@ -403,13 +367,9 @@ fun! s:GetOneScript(...)
let srcid = a:2
let fname = a:3
let cmmnt = ""
" call Decho("scriptid<".scriptid.">")
" call Decho("srcid <".srcid.">")
" call Decho("fname <".fname.">")
else
let curline = getline(".")
if curline =~ '^\s*#'
" call Dret("GetOneScript : skipping a pure comment line")
return
endif
let parsepat = '^\s*\(\d\+\)\s\+\(\d\+\)\s\+\(.\{-}\)\(\s*#.*\)\=$'
@@ -433,36 +393,26 @@ fun! s:GetOneScript(...)
catch /^Vim\%((\a\+)\)\=:E486/
let cmmnt= ""
endtry
" call Decho("curline <".curline.">")
" call Decho("parsepat<".parsepat.">")
" call Decho("scriptid<".scriptid.">")
" call Decho("srcid <".srcid.">")
" call Decho("fname <".fname.">")
endif
" plugin author protection from downloading his/her own scripts atop their latest work
" When looking for :AutoInstall: lines, skip scripts that have 0 0 scriptname
if scriptid == 0 || srcid == 0
" When looking for :AutoInstall: lines, skip scripts that have 0 0 scriptname
" call Dret("GetOneScript : skipping a scriptid==srcid==0 line")
return
endif
let doautoinstall= 0
if fname =~ ":AutoInstall:"
" call Decho("case AutoInstall: fname<".fname.">")
let aicmmnt= substitute(fname,'\s\+:AutoInstall:\s\+',' ','')
" call Decho("aicmmnt<".aicmmnt."> s:autoinstall=".s:autoinstall)
if s:autoinstall != ""
let doautoinstall = g:GetLatestVimScripts_allowautoinstall
endif
else
let aicmmnt= fname
endif
" call Decho("aicmmnt<".aicmmnt.">: doautoinstall=".doautoinstall)
exe "norm z\<CR>"
redraw!
" call Decho('considering <'.aicmmnt.'> scriptid='.scriptid.' srcid='.srcid)
echo 'considering <'.aicmmnt.'> scriptid='.scriptid.' srcid='.srcid
" grab a copy of the plugin's vim.sourceforge.net webpage
@@ -470,15 +420,17 @@ fun! s:GetOneScript(...)
let tmpfile = tempname()
let v:errmsg = ""
" Check if URLs are reachable
if !CheckVimScriptURL(scriptid, srcid)
return
endif
" make up to three tries at downloading the description
let itry= 1
while itry <= 3
" call Decho(".try#".itry." to download description of <".aicmmnt."> with addr=".scriptaddr)
if has("win32") || has("win16") || has("win95")
" call Decho(".new|exe silent r!".g:GetLatestVimScripts_wget." ".g:GetLatestVimScripts_options." ".shellescape(tmpfile).' '.shellescape(scriptaddr)."|bw!")
new|exe "silent r!".g:GetLatestVimScripts_wget." ".g:GetLatestVimScripts_options." ".shellescape(tmpfile).' '.shellescape(scriptaddr)|bw!
else
" call Decho(".exe silent !".g:GetLatestVimScripts_wget." ".g:GetLatestVimScripts_options." ".shellescape(tmpfile)." ".shellescape(scriptaddr))
exe "silent !".g:GetLatestVimScripts_wget." ".g:GetLatestVimScripts_options." ".shellescape(tmpfile)." ".shellescape(scriptaddr)
endif
if itry == 1
@@ -496,7 +448,6 @@ fun! s:GetOneScript(...)
endif
let itry= itry + 1
endwhile
" call Decho(" --- end downloading tries while loop --- itry=".itry)
" testing: did finding "Click on the package..." fail?
if findpkg == 0 || itry >= 4
@@ -507,12 +458,9 @@ fun! s:GetOneScript(...)
let &t_te = t_te
let &rs = rs
let s:downerrors = s:downerrors + 1
" call Decho("***warning*** couldn'".'t find "Click on the package..." in description page for <'.aicmmnt.">")
echomsg "***warning*** couldn'".'t find "Click on the package..." in description page for <'.aicmmnt.">"
" call Dret("GetOneScript : srch for /Click on the package/ failed")
return
endif
" call Decho('found "Click on the package to download"')
let findsrcid= search('src_id=','W')
if findsrcid == 0
@@ -523,28 +471,22 @@ fun! s:GetOneScript(...)
let &t_te = t_te
let &rs = rs
let s:downerrors = s:downerrors + 1
" call Decho("***warning*** couldn'".'t find "src_id=" in description page for <'.aicmmnt.">")
echomsg "***warning*** couldn'".'t find "src_id=" in description page for <'.aicmmnt.">"
" call Dret("GetOneScript : srch for /src_id/ failed")
return
endif
" call Decho('found "src_id=" in description page')
let srcidpat = '^\s*<td class.*src_id=\(\d\+\)">\([^<]\+\)<.*$'
let latestsrcid= substitute(getline("."),srcidpat,'\1','')
let sname = substitute(getline("."),srcidpat,'\2','') " script name actually downloaded
" call Decho("srcidpat<".srcidpat."> latestsrcid<".latestsrcid."> sname<".sname.">")
silent q!
call delete(tmpfile)
" convert the strings-of-numbers into numbers
let srcid = srcid + 0
let latestsrcid = latestsrcid + 0
" call Decho("srcid=".srcid." latestsrcid=".latestsrcid." sname<".sname.">")
" has the plugin's most-recent srcid increased, which indicates that it has been updated
if latestsrcid > srcid
" call Decho("[latestsrcid=".latestsrcid."] <= [srcid=".srcid."]: need to update <".sname.">")
let s:downloads= s:downloads + 1
if sname == bufname("%")
@@ -555,20 +497,16 @@ fun! s:GetOneScript(...)
" -----------------------------------------------------------------------------
" the plugin has been updated since we last obtained it, so download a new copy
" -----------------------------------------------------------------------------
" call Decho(".downloading new <".sname.">")
echomsg ".downloading new <".sname.">"
if has("win32") || has("win16") || has("win95")
" call Decho(".new|exe silent r!".g:GetLatestVimScripts_wget." ".g:GetLatestVimScripts_options." ".shellescape(sname)." ".shellescape(g:GetLatestVimScripts_downloadaddr.latestsrcid)."|bw!")
new|exe "silent r!".g:GetLatestVimScripts_wget." ".g:GetLatestVimScripts_options." ".shellescape(sname)." ".shellescape(g:GetLatestVimScripts_downloadaddr.latestsrcid)|bw!
else
" call Decho(".exe silent !".g:GetLatestVimScripts_wget." ".g:GetLatestVimScripts_options." ".shellescape(sname)." ".shellescape(g:GetLatestVimScripts_downloadaddr.latestsrcid)
exe "silent !".g:GetLatestVimScripts_wget." ".g:GetLatestVimScripts_options." ".shellescape(sname)." ".shellescape(g:GetLatestVimScripts_downloadaddr.latestsrcid)
endif
" --------------------------------------------------------------------------
" AutoInstall: only if doautoinstall has been requested by the plugin itself
" --------------------------------------------------------------------------
" call Decho("checking if plugin requested autoinstall: doautoinstall=".doautoinstall)
if doautoinstall
if filereadable(sname)
exe "silent !".g:GetLatestVimScripts_mv." ".shellescape(sname)." ".shellescape(s:autoinstall)
@@ -602,7 +540,6 @@ fun! s:GetOneScript(...)
exe "sil !".g:GetLatestVimScripts_unxz." ".shellescape(sname)
let sname= substitute(sname,'\.xz$','','')
else
" call Decho("no decompression needed")
endif
" distribute archive(.zip, .tar, .vba, .vmb, ...) contents
@@ -632,8 +569,6 @@ fun! s:GetOneScript(...)
else
unlet g:vimball_home
endif
else
" call Decho("no dearchiving needed")
endif
" ---------------------------------------------
@@ -665,9 +600,59 @@ fun! s:GetOneScript(...)
" update the data in the <GetLatestVimScripts.dat> file
call setline(line("."),modline)
endif
endfun
" CheckVimScriptURL: Check Network Connection {{{1
" Check status code of scriptaddr and downloadaddr
" return v:true if the script is downloadable or v:false in case of errors
fun CheckVimScriptURL(script_id, src_id)
if !executable('curl')
return v:true
endif
let output = has("win32") ? ' -o NUL ' : ' -o /dev/null '
" Handle PowerShell differently
if &shell =~? '\<pwsh\>\|\<powershell\>'
" For PowerShell, use direct command output
let script_url = g:GetLatestVimScripts_scriptaddr . a:script_id
let script_cmd = 'curl -s -I -w "%{http_code}"' . output . shellescape(script_url)
let script_status = system(script_cmd)
let script_status = substitute(script_status, '\n$', '', '')
let download_url = g:GetLatestVimScripts_downloadaddr . a:src_id
let download_cmd = 'curl -s -I -w "%{http_code}"' . output . shellescape(download_url)
let download_status = system(download_cmd)
let download_status = substitute(download_status, '\n$', '', '')
else
" For other shells, use temporary files
let temp_script = tempname()
let temp_download = tempname()
let script_url = g:GetLatestVimScripts_scriptaddr . a:script_id
let script_cmd = 'curl -s -I -w "%{http_code}"' . output . shellescape(script_url) . ' >' . shellescape(temp_script)
call system(script_cmd)
let script_status = readfile(temp_script, 'b')[0]
call delete(temp_script)
let download_url = g:GetLatestVimScripts_downloadaddr . a:src_id
let download_cmd = 'curl -s -I -w "%{http_code}"' . output . shellescape(download_url) . ' >' . shellescape(temp_download)
call system(download_cmd)
let download_status = readfile(temp_download, 'b')[0]
call delete(temp_download)
endif
if script_status !=# '200'
let s:message += [ printf('Error: Failed to reach script: %s', a:script_id) ]
return v:false
endif
if download_status !=# '200'
let s:message += [ printf('Error: Failed to download script %s', a:script_id) ]
return v:false
endif
return v:true
endfunction
" ---------------------------------------------------------------------
" Restore Options: {{{1
let &cpo= s:keepcpo