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v.util: improve code related to diff tool specified via environment, add check if the diff tool exists (#21240)

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Turiiya 2024-04-11 15:52:51 +02:00 committed by GitHub
parent af4111b9de
commit fa321ed874
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1 changed files with 5 additions and 12 deletions
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17
vlib/v/util/diff/diff.v
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@ -9,15 +9,13 @@ pub fn find_working_diff_command() !string {
env_difftool := os.getenv('VDIFF_TOOL')
env_diffopts := os.getenv('VDIFF_OPTIONS')
if env_difftool != '' {
os.find_abs_path_of_executable(env_difftool) or {
return error('could not find specified VDIFF_TOOL `${env_difftool}`')
}
return '${env_difftool} ${env_diffopts}'
}
mut known_diff_tools := []string{}
if env_difftool.len > 0 {
known_diff_tools << env_difftool
}
known_diff_tools << ['colordiff', 'gdiff', 'diff', 'colordiff.exe', 'diff.exe', 'opendiff',
'code', 'code.cmd']
// NOTE: code.cmd is the Windows variant of the `code` cli tool
known_diff_tools := ['colordiff', 'gdiff', 'diff', 'colordiff.exe', 'diff.exe', 'opendiff',
'code', 'code.cmd'] // NOTE: code.cmd is the Windows variant of the `code` cli tool
for diffcmd in known_diff_tools {
if diffcmd == 'opendiff' {
os.find_abs_path_of_executable('opendiff') or { continue }
@ -28,15 +26,10 @@ pub fn find_working_diff_command() !string {
return diffcmd
}
}
p := os.execute('${diffcmd} --version')
if p.exit_code < 0 {
continue
}
if p.exit_code == 127 && diffcmd == env_difftool {
// user setup is wonky, fix it
return error('could not find specified VDIFF_TOOL ${diffcmd}')
}
if p.exit_code == 0 { // success
// TODO: proper implemenation of --color flag
$if !macos {