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pdfScale
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v2.3.0 - First version capable of self-installing and self-upgrading. Params are --install and --upgrade. May ask for confirmation, still no flag to force yes for now.

master
Gustavo Arnosti Neves 7 년 전
부모
84a447a520
커밋
ccd3d85e94
2개의 변경된 파일과 336개의 추가작업 그리고 25개의 파일을 삭제
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  1. +7
    -1
      README.md
  2. +329
    -24
      pdfScale.sh

+ 7
- 1
README.md 파일 보기

@@ -109,7 +109,7 @@ $ pdfscale -v -v -r 'custom mm 200 300' -f disable -s 0.95 ../mixsync\ manual\ v
## Help info
```
$ pdfscale --help
pdfscale v2.2.1
pdfscale v2.3.0

Usage: pdfscale <inFile.pdf>
pdfscale -i <inFile.pdf>
@@ -127,6 +127,12 @@ Parameters:
Print this help to screen and exits
-V, --version
Prints version to screen and exits
--install, --self-install [target-path]
Install itself to [target-path] or /usr/local/bin/pdfscale if not specified
Should contain the full path with the desired executable name
--upgrade, --self-upgrade
Upgrades itself in-place (same path/name of the pdfScale.sh caller)
Downloads the master branch tarball and tries to self-upgrade
-n, --no-overwrite
Aborts execution if the output PDF file already exists
By default, the output file will be overwritten


+ 329
- 24
pdfScale.sh 파일 보기

@@ -12,7 +12,7 @@
# And: https://gist.github.com/MichaelJCole/86e4968dbfc13256228a


VERSION="2.2.1"
VERSION="2.3.0"


###################### EXTERNAL PROGRAMS #######################
@@ -90,6 +90,12 @@ SIMULATE=$FALSE # Avoid execution
PRINT_GS_CALL=$FALSE # Print GS Call to stdout
GS_CALL_STRING="" # Buffer

############################# Project Info
PROJECT_NAME="pdfScale"
PROJECT_URL="https://github.com/tavinus/$PROJECT_NAME"
PROJECT_BRANCH='master'
HTTPS_INSECURE=$FALSE

########################## EXIT FLAGS ##########################

EXIT_SUCCESS=0
@@ -141,8 +147,8 @@ main() {
finalRet=$(($finalRet+$?))
# remove tmp file
if isFile "$tempFile"; then
rm "$tempFile" >/dev/null 2>&1 || printError "Error when removing temporary file: $tempFile"
fi
rm "$tempFile" >/dev/null 2>&1 || printError "Error when removing temporary file: $tempFile"
fi
elif isResizeMode; then
initMain " Single Task: Resize PDF Paper"
vPrintScaleFactor "Disabled (resize only)"
@@ -158,19 +164,19 @@ main() {
fi

if [[ $finalRet -eq $EXIT_SUCCESS ]] && isEmpty "$GS_RUN_STATUS"; then
if isDryRun; then
vprint " Final Status: Simulation completed successfully"
else
vprint " Final Status: File created successfully"
fi
if isDryRun; then
vprint " Final Status: Simulation completed successfully"
else
vprint " Final Status: File created successfully"
fi
else
vprint " Final Status: Error detected. Exit status: $finalRet"
printError "PdfScale: ERROR!"$'\n'"Ghostscript Debug Info:"$'\n'"$GS_RUN_STATUS"
fi
if isNotEmpty "$GS_CALL_STRING" && shouldPrintGSCall; then
if isNotEmpty "$GS_CALL_STRING" && shouldPrintGSCall; then
printf "%s" "$GS_CALL_STRING"
fi
fi

return $finalRet
}
@@ -179,9 +185,9 @@ main() {
initMain() {
printVersion 1 'verbose'
isNotEmpty "$1" && vprint "$1"
local sim="FALSE"
isDryRun && sim="TRUE (Simulating)"
vprint " Dry-Run: $sim"
local sim="FALSE"
isDryRun && sim="TRUE (Simulating)"
vprint " Dry-Run: $sim"
vPrintFileInfo
getPageSize
vPrintPageSizes ' Source'
@@ -241,15 +247,15 @@ pageScale() {
vprint " Run Scaling: $increase %"

GS_RUN_STATUS="$GS_RUN_STATUS""$(gsPageScale 2>&1)"
GS_CALL_STRING="$GS_CALL_STRING"$'[GS SCALE CALL STARTS]\n'"$(gsPrintPageScale)"$'\n[GS SCALE CALL ENDS]\n'
GS_CALL_STRING="$GS_CALL_STRING"$'[GS SCALE CALL STARTS]\n'"$(gsPrintPageScale)"$'\n[GS SCALE CALL ENDS]\n'
return $? # Last command is always returned I think
}

# Runs GS call for scaling, nothing else should run here
gsPageScale() {
if isDryRun; then
return $TRUE
fi
return $TRUE
fi
# Scale page
"$GSBIN" \
-q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -dSAFER \
@@ -268,7 +274,7 @@ gsPageScale() {
# Prints GS call for scaling
gsPrintPageScale() {
# Print Scale page command
cat << _EOF_
cat << _EOF_
"$GSBIN" \
-q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -dSAFER \
-dCompatibilityLevel="1.5" -dPDFSETTINGS="$PDF_SETTINGS" \
@@ -293,15 +299,15 @@ pageResize() {
runFlipDetect
vprint " Run Resizing: $(uppercase "$RESIZE_PAPER_TYPE") ( "$RESIZE_WIDTH" x "$RESIZE_HEIGHT" ) pts"
GS_RUN_STATUS="$GS_RUN_STATUS""$(gsPageResize 2>&1)"
GS_CALL_STRING="$GS_CALL_STRING"$'[GS RESIZE CALL STARTS]\n'"$(gsPrintPageScale)"$'\n[GS RESIZE CALL ENDS]\n'
GS_CALL_STRING="$GS_CALL_STRING"$'[GS RESIZE CALL STARTS]\n'"$(gsPrintPageScale)"$'\n[GS RESIZE CALL ENDS]\n'
return $?
}

# Runs GS call for resizing, nothing else should run here
gsPageResize() {
if isDryRun; then
return $TRUE
fi
return $TRUE
fi
# Change page size
"$GSBIN" \
-q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -dSAFER \
@@ -321,7 +327,7 @@ gsPageResize() {
# Prints GS call for resizing
gsPrintPageResize() {
# Print Resize page command
cat << _EOF_
cat << _EOF_
"$GSBIN" \
-q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -dSAFER \
-dCompatibilityLevel="1.5" -dPDFSETTINGS="$PDF_SETTINGS" \
@@ -532,6 +538,16 @@ getOptions() {
SIMULATE=$TRUE
shift
;;
--install|--self-install)
shift
selfInstall "$1"
shift
;;
--upgrade|--self-upgrade)
shift
selfUpgrade
shift
;;
--print-gs-call|--gs-call)
PRINT_GS_CALL=$TRUE
shift
@@ -575,6 +591,278 @@ getOptions() {
validateOutFile
}

# Install pdfScale
selfInstall() {
CURRENT_LOC="$(readlink -f $0)"
TARGET_LOC="$1"
isEmpty "$TARGET_LOC" && TARGET_LOC="/usr/local/bin/pdfscale"
VERBOSE=0
NEED_SUDO=$FALSE
printVersion 3 " - Self Install"
echo ""
echo "Current location : $CURRENT_LOC"
echo "Target location : $TARGET_LOC"
if [[ "$CURRENT_LOC" = "$TARGET_LOC" ]]; then
echo $'\n'"Error! Source and Target locations are the same!"
echo "Cannot copy to itself..."
exit $EXIT_INVALID_OPTION
fi
TARGET_FOLDER="$(dirname $TARGET_LOC)"
local _answer="NO"
if isNotDir "$TARGET_FOLDER"; then
echo $'\nThe target folder does not exist\n > '"$TARGET_FOLDER"
read -p $'\nCreate the target folder? Y/y to continue > ' _answer
_answer="$(lowercase $_answer)"
if [[ "$_answer" = "y" || "$_answer" = "yes" ]]; then
_answer="no"
if mkdir -p "$TARGET_FOLDER" 2>/dev/null; then
echo "Folder Created!"
else
echo $'\n'"There was an error when trying to create the folder."
read -p $'\nDo you want to try again with sudo (as root)? Y/y to continue > ' _answer
_answer="$(lowercase $_answer)"
if [[ "$_answer" = "y" || "$_answer" = "yes" ]]; then
NEED_SUDO=$TRUE
if mkdir -p "$TARGET_FOLDER" 2>/dev/null; then
echo "Folder Created!"
else
echo "There was an error when trying to create the folder."
exit $EXIT_ERROR
fi
else
echo "Exiting..."
exit $EXIT_ERROR
fi
fi
else
echo "Exiting..."
exit $EXIT_ERROR
fi
fi
_answer="no"
if isFile "$TARGET_LOC"; then
echo $'\n'"The target file already exists: $TARGET_LOC"
read -p "Y/y to overwrite, anything else to cancel > " _answer
_answer="$(lowercase $_answer)"
if [[ "$_answer" = "y" || "$_answer" = "yes" ]]; then
echo "Target will be replaced!"
else
echo "Exiting..."
exit $EXIT_ERROR
fi
fi
if [[ $NEED_SUDO -eq $TRUE ]]; then
if sudo cp "$CURRENT_LOC" "$TARGET_LOC"; then
echo $'\nSuccess! Program installed!'
echo " > $TARGET_LOC"
exit $EXIT_SUCCESS
else
echo "There was an error when trying to install the program."
exit $EXIT_ERROR
fi
fi
if cp "$CURRENT_LOC" "$TARGET_LOC"; then
echo $'\nSuccess! Program installed!'
echo " > $TARGET_LOC"
exit $EXIT_SUCCESS
else
_answer="no"
echo "There was an error when trying to install pdfScale."
read -p $'Do you want to try again with sudo (as root)? Y/y to continue > ' _answer
_answer="$(lowercase $_answer)"
if [[ "$_answer" = "y" || "$_answer" = "yes" ]]; then
NEED_SUDO=$TRUE
if sudo cp "$CURRENT_LOC" "$TARGET_LOC"; then
echo $'\nSuccess! Program installed!'
echo " > $TARGET_LOC"
exit $EXIT_SUCCESS
else
echo "There was an error when trying to install the program."
exit $EXIT_ERROR
fi
else
echo "Exiting..."
exit $EXIT_ERROR
fi
fi
exit $?
}

getUrl() {
local url="$1"
local target="$2"
local _stat=""
if isEmpty "$url" || isEmpty "$target"; then
echo "Error! Invalid parameters for download."
echo "URL > $url"
echo "TARGET > $target"
exit $EXIT_INVALID_OPTION
fi
WGET_BIN="$(which wget 2>/dev/null)"
CURL_BIN="$(which curl 2>/dev/null)"
if isExecutable "$WGET_BIN"; then
useInsecure && WGET_BIN="$WGET_BIN --no-check-certificate"
echo "Downloading file with wget"
_stat="$("$WGET_BIN" -O "$target" "$url" 2>&1)"
if [[ $? -eq 0 ]]; then
return $TRUE
else
echo "Error when downloading file!"
echo " > $url"
echo "Status:"
echo "$_stat"
exit $EXIT_ERROR
fi
elif isExecutable "$CURL_BIN"; then
useInsecure && CURL_BIN="$CURL_BIN --insecure"
echo "Downloading file with curl"
_stat="$("$CURL_BIN" -o "$target" "$url" 2>&1)"
if [[ $? -eq 0 ]]; then
return $TRUE
else
echo "Error when downloading file!"
echo " > $url"
echo "Status:"
echo "$_stat"
exit $EXIT_ERROR
fi
else
echo "Error! Could not find Wget or Curl to perform download."
echo "Please install either curl or wget and try again."
exit $EXIT_FILE_NOT_FOUND
fi
}

# Downloads current version from github's MASTER branch
selfUpgrade() {
CURRENT_LOC="$(readlink -f $0)"
local _cwd="$(pwd)"
TMP_DIR='/tmp'
TMP_TARGET="$TMP_DIR/pdfScale_$RANDOM_$RANDOM.tar.gz"
TMP_EXTRACTED="$TMP_DIR/$PROJECT_NAME-$PROJECT_BRANCH"
local _answer="no"
printVersion 3 " - Self Upgrade"
echo $'\n'"Preparing download to temp folder"
echo " > $TMP_TARGET"
getUrl "$PROJECT_URL/archive/$PROJECT_BRANCH.tar.gz" "$TMP_TARGET"
if isNotFile "$TMP_TARGET"; then
echo "Error! Could not find downloaded file!"
exit $EXIT_FILE_NOT_FOUND
fi
echo $'\n'"Extracting compressed file"
cd "$TMP_DIR"
if ! (tar xzf "$TMP_TARGET" 2>/dev/null || gtar xzf "$TMP_TARGET" 2>/dev/null); then
cd "$_cwd"
echo "Extraction error."
exit $EXIT_ERROR
fi
if ! cd "$TMP_EXTRACTED" 2>/dev/null; then
cd "$_cwd"
echo "Error when accessing temporary folder"
echo " > $TMP_EXTRACTED"
exit $EXIT_ERROR
fi
if ! chmod +x pdfScale.sh; then
cd "$_cwd"
echo "Error when setting new pdfScale to executable"
echo " > $TMP_EXTRACTED/pdfScale.sh"
exit $EXIT_ERROR
fi
local newver="$(./pdfScale.sh --version 2>/dev/null)"
local curver="$(printVersion 3 2>/dev/null)"
newver=($newver)
curver=($curver)
newver=${newver[1]#v}
curver=${curver[1]#v}
echo $'\n'" Current Version is: $curver"
echo "Downloaded Version is: $newver"$'\n'
if [[ "$newver" = "$curver" ]]; then
echo "Seems like we have downloaded the same version that is installed."
elif isBiggerVersion "$newver" "$curver"; then
echo "Seems like the downloaded version is newer that the one installed."
elif isBiggerVersion "$curver" "$newver"; then
echo "Seems like the downloaded version is older that the one installed."
echo "It is basically a miracle or you have came from the future with this version!"
echo "BE CAREFUL NOT TO DELETE THE BETA/ALPHA VERSION WITH THIS UPDATE!"
else
cd "$_cwd"
echo "An unidentified error has ocurred. Exiting..."
exit $EXIT_ERROR
fi
echo $'\n'"Are you sure that you want to replace the current instalation with the downloaded one?"
read -p "Y/y to continue, anything else to cancel > " _answer
_answer="$(lowercase $_answer)"
echo
if [[ "$_answer" = "y" || "$_answer" = "yes" ]]; then
echo "Upgrading..."
if cp "./pdfScale.sh" "$CURRENT_LOC" 2>/dev/null; then
cd "$_cwd"
echo $'\n'"Success! Upgrade finished!"$'\n'" > $CURRENT_LOC"
exit $EXIT_SUCCESS
else
_answer="no"
echo $'\n'"There was an error when copying the new version."
echo "Do you want to retry using sudo (as root)?"
read -p "Y/y to continue, anything else to cancel > " _answer
_answer="$(lowercase $_answer)"
if [[ "$_answer" = "y" || "$_answer" = "yes" ]]; then
echo "Upgrading with sudo..."
if sudo cp "./pdfScale.sh" "$CURRENT_LOC" 2>/dev/null; then
cd "$_cwd"
echo $'\n'"Success! Upgrade finished!"$'\n'" > $CURRENT_LOC"
exit $EXIT_SUCCESS
else
cd "$_cwd"
echo "There was an error when copying the new version."
exit $EXIT_ERROR
fi
else
cd "$_cwd"
echo "Exiting..."
exit $EXIT_ERROR
fi

fi
cd "$_cwd"
exit $EXIT_ERROR
else
cd "$_cwd"
echo "Exiting..."
exit $EXIT_ERROR
fi
cd "$_cwd"
exit $EXIT_ERROR
}

# Compares versions with x.x.x format
isBiggerVersion() {
local OIFS=$IFS
IFS='.'
local _first=($1)
local _second=($2)
local _ret=$FALSE
if [[ ${_first[0]} -gt ${_second[0]} ]]; then
_ret=$TRUE
elif [[ ${_first[0]} -lt ${_second[0]} ]]; then
_ret=$FALSE
elif [[ ${_first[1]} -gt ${_second[1]} ]]; then
_ret=$TRUE
elif [[ ${_first[1]} -lt ${_second[1]} ]]; then
_ret=$FALSE
elif [[ ${_first[2]} -gt ${_second[2]} ]]; then
_ret=$TRUE
elif [[ ${_first[2]} -lt ${_second[2]} ]]; then
_ret=$FALSE
fi
IFS=$OIFS
return $_ret
}

# Checks if output file is valid and writable
validateOutFile() {
local _tgtDir="$(dirname "$OUTFILEPDF")"
@@ -821,7 +1109,7 @@ parseVerticalAlignment() {
# Set X Translation Offset
parseXTransOffset() {
if isFloat "$1"; then
XTRANSOFFSET="$1"
XTRANSOFFSET="$1"
return $TRUE
fi
printError "Invalid X Translation Offset: $1"
@@ -832,7 +1120,7 @@ parseXTransOffset() {
# Set Y Translation Offset
parseYTransOffset() {
if isFloat "$1"; then
YTRANSOFFSET="$1"
YTRANSOFFSET="$1"
return $TRUE
fi
printError "Invalid Y Translation Offset: $1"
@@ -1438,6 +1726,12 @@ isDir() {
return $FALSE;
}

# Returns $FALSE if $1 is a directory, $TRUE otherwise
isNotDir() {
isDir "$1" && return $FALSE
return $TRUE;
}

# Returns 0 if succeded, other integer otherwise
isTouchable() {
touch "$1" 2>/dev/null
@@ -1489,6 +1783,11 @@ isNotAvailable() {
return $FALSE
}

# Returns $TRUE if we should avoid https certificate (on upgrade)
useInsecure() {
return $HTTPS_INSECURE
}


###################### PRINTING TO SCREEN ######################

@@ -1541,6 +1840,12 @@ Parameters:
Print this help to screen and exits
-V, --version
Prints version to screen and exits
--install, --self-install [target-path]
Install itself to [target-path] or /usr/local/bin/pdfscale if not specified
Should contain the full path with the desired executable name
--upgrade, --self-upgrade
Upgrades itself in-place (same path/name of the pdfScale.sh caller)
Downloads the master branch tarball and tries to self-upgrade
-n, --no-overwrite
Aborts execution if the output PDF file already exists
By default, the output file will be overwritten


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