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install: Remove existing fish_prompt into a backup

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First works toward generalizing file backup code, applying to both
config.fish file and now fish_prompt.fish too. This avoids clean
installs which start with theme issues.
This commit is contained in:
Derek Stavis 2015-10-04 16:48:54 -03:00 committed by Derek Stavis
parent beca6512e1
commit 433832bb82
1 changed files with 24 additions and 12 deletions
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36
bin/install
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@ -60,6 +60,27 @@ function fish_version_compatible
return (test $major = $OMF_FISH_MIN_VER[1] -a $minor -ge $OMF_FISH_MIN_VER[2])
end
function backup_file -a file_path
test -e "$file_path"; or return 1
set -l path (dirname $file_path)
set -l file (basename $file_path)
set -l name (echo $file | cut -d. -f1)
set -l timestamp (date +%s)
set -l backup_file "$path/$name.$timestamp.copy"
report progress "Existent $file found at $path"
report progress "↳ Moving to $backup_file"
if not mv "$file_path" $backup_file 2>/dev/null
report error "Aborting: Could not backup $file_path"
end
return 0
end
function install_omf
# Grant repository URL ends with .git
set git_uri (echo $OMF_REPO_URI | sed 's/\.git//').git
@ -79,19 +100,10 @@ function install_omf
set fish_config_file "$FISH_CONFIG/config.fish"
if test -e "$fish_config_file"
set -l timestamp (date +%s)
set -l original_fish_config_file "$FISH_CONFIG/config.$timestamp.copy"
backup_file "$FISH_CONFIG/config.fish";
or mkdir -p "$FISH_CONFIG"
report progress "Existent fish config file found at $fish_config_file"
report progress "↳ Moving file to $original_fish_config_file"
if not mv "$fish_config_file" "$original_fish_config_file" 2>/dev/null
report error "Aborting: Could not backup fish config file"
end
else
mkdir -p "$FISH_CONFIG"
end
backup_file "$FISH_CONFIG/functions/fish_prompt.fish"
report progress "Adding startup code to fish config file..."