improve exit code use in bin scripts
The use of exit codes and exit code ranges has been made more consistent across most bin tools.
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Landon Curt Noll committed
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@@ -64,7 +64,7 @@ shopt -s globstar # enable ** to match all files and zero or more directories an
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# set variables referenced in the usage message
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#
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export VERSION="1.1 2024-02-11"
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export VERSION="1.1.1 2024-02-23"
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NAME=$(basename "$0")
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export NAME
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export V_FLAG=0
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@@ -72,7 +72,7 @@ GIT_TOOL=$(type -P git)
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export GIT_TOOL
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if [[ -z "$GIT_TOOL" ]]; then
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echo "$0: FATAL: git tool is not installed or not in PATH" 1>&2
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exit 200
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exit 5
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fi
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"$GIT_TOOL" rev-parse --is-inside-work-tree >/dev/null 2>&1
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status="$?"
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@@ -102,13 +102,14 @@ export USAGE="usage: $0 [-h] [-v level] [-V] [-d topdir] [-n] [-N]
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Exit codes:
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0 all OK
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1 sgi.sh exited non-zero
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1 some internal tool exited non-zero
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2 -h and help string printed or -V and version string printed
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3 command line error
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4 bash version is < 4.2
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5 YYYY/dir is not a entry directory
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6 sgi.sh tool not found or not executable
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>= 10 internal error
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5 some internal tool is not found or not an executable file
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6 problems found with or in the topdir or topdir/YYYY directory
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7 problems found with or in the entry topdir/YYYY/dir directory
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>= 10 internal error
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$NAME version: $VERSION"
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@@ -181,32 +182,23 @@ export REPO_NAME
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if [[ -z $TOPDIR ]]; then
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echo "$0: ERROR: cannot find top of git repo directory" 1>&2
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echo "$0: Notice: if needed: $GIT_TOOL clone $REPO_URL; cd $REPO_NAME" 1>&2
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exit 201
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exit 6
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fi
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if [[ ! -d $TOPDIR ]]; then
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echo "$0: ERROR: TOPDIR is not a directory: $TOPDIR" 1>&2
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echo "$0: Notice: if needed: $GIT_TOOL clone $REPO_URL; cd $REPO_NAME" 1>&2
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exit 202
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exit 6
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fi
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# verify that we have an bin subdirectory
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#
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export BIN_PATH="$TOPDIR/bin"
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if [[ ! -d $BIN_PATH ]]; then
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echo "$0: ERROR: bin is not a directory under topdir: $BIN_PATH" 1>&2
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exit 205
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fi
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export BIN_DIR="bin"
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# cd to topdir
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#
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if [[ ! -e $TOPDIR ]]; then
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echo "$0: ERROR: cannot cd to non-existent path: $TOPDIR" 1>&2
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exit 206
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exit 6
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fi
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if [[ ! -d $TOPDIR ]]; then
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echo "$0: ERROR: cannot cd to a non-directory: $TOPDIR" 1>&2
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exit 207
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exit 6
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fi
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export CD_FAILED
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if [[ $V_FLAG -ge 5 ]]; then
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@@ -215,96 +207,122 @@ fi
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cd "$TOPDIR" || CD_FAILED="true"
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if [[ -n $CD_FAILED ]]; then
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echo "$0: ERROR: cd $TOPDIR failed" 1>&2
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exit 208
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exit 6
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fi
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if [[ $V_FLAG -ge 3 ]]; then
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echo "$0: debug[3]: now in directory: $(/bin/pwd)" 1>&2
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fi
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# verify that we have an bin subdirectory
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#
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export BIN_PATH="$TOPDIR/bin"
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if [[ ! -d $BIN_PATH ]]; then
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echo "$0: ERROR: bin is not a directory under topdir: $BIN_PATH" 1>&2
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exit 6
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fi
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export BIN_DIR="bin"
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# verify we have an executable sgi.sh tool
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#
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if [[ ! -e $SGI_TOOL ]]; then
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echo "$0: ERROR: sgi.sh tool does not exist: $SGI_TOOL" 1>&2
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exit 6
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exit 5
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fi
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if [[ ! -f $SGI_TOOL ]]; then
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echo "$0: ERROR: sgi.sh tool is not a file: $SGI_TOOL" 1>&2
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exit 6
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exit 5
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fi
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if [[ ! -x $SGI_TOOL ]]; then
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echo "$0: ERROR: sgi.sh tool is not an executable file: $SGI_TOOL" 1>&2
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exit 6
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exit 5
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fi
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# verify that ENTRY_PATH is a entry directory
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#
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# ENTRY_PATH must be in YYYY/dir form
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# YYYY must be a directory
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# YYYY must be a writable directory
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# YYYY/.year must be a non-empty file
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# YYYY/dir must be a directory
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# YYYY/dir/.path must be a non-empty file
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# ENTRY_PATH must match the contents of YYYY/dir/.path
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# YYYY/dir/.gitignore.json must be a writable file
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#
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if [[ ! -d $ENTRY_PATH ]]; then
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echo "$0: ERROR: arg is not a directory: $ENTRY_PATH" 1>&2
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exit 5
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exit 3
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fi
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if [[ ! -w $ENTRY_PATH ]]; then
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echo "$0: ERROR: arg is not a writable directory: $ENTRY_PATH" 1>&2
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exit 5
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exit 3
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fi
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export YEAR_DIR=${ENTRY_PATH%%/*}
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if [[ -z $YEAR_DIR ]]; then
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echo "$0: ERROR: arg not in YYYY/dir form: $ENTRY_PATH" 1>&2
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exit 5
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exit 3
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fi
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export ENTRY_DIR=${ENTRY_PATH#*/}
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if [[ -z $ENTRY_DIR ]]; then
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echo "$0: ERROR: arg: $ENTRY_PATH not in $YEAR_DIR/dir form: $ENTRY_PATH" 1>&2
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exit 5
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exit 3
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fi
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if [[ $ENTRY_DIR = */* ]]; then
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echo "$0: ERROR: dir from arg: $ENTRY_PATH contains a /: $ENTRY_DIR" 1>&2
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exit 5
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exit 3
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fi
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if [[ ! -d $YEAR_DIR ]]; then
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echo "$0: ERROR: YYYY from arg: $ENTRY_PATH is not a directory: $YEAR_DIR" 1>&2
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exit 5
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exit 3
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fi
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export ENTRY_ID="${YEAR_DIR}_${ENTRY_DIR}"
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export DOT_YEAR="$YEAR_DIR/.year"
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if [[ ! -s $DOT_YEAR ]]; then
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echo "$0: ERROR: not a non-empty file: $DOT_YEAR" 1>&2
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exit 5
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exit 6
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fi
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if [[ ! -d $YEAR_DIR/$ENTRY_DIR ]]; then
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echo "$0: ERROR: YYYY/dir from arg: $ENTRY_PATH is not a directory: $YEAR_DIR/$ENTRY_DIR" 1>&2
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exit 5
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# Now that we have moved to topdir, form and verify YYYY_DIR is a writable directory
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export YYYY_DIR="$YEAR_DIR/$ENTRY_DIR"
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if [[ ! -e $YYYY_DIR ]]; then
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echo "$0: ERROR: YYYY/dir from arg: $ENTRY_PATH does not exist: $YYYY_DIR" 1>&2
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exit 7
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fi
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export DOT_PATH="$YEAR_DIR/$ENTRY_DIR/.path"
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if [[ ! -d $YYYY_DIR ]]; then
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echo "$0: ERROR: YYYY/dir from arg: $ENTRY_PATH is not a directory: $YYYY_DIR" 1>&2
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exit 7
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fi
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if [[ ! -w $YYYY_DIR ]]; then
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echo "$0: ERROR: YYYY/dir from arg: $ENTRY_PATH is not a writable directory: $YYYY_DIR" 1>&2
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exit 7
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fi
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export DOT_PATH="$YYYY_DIR/.path"
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if [[ ! -s $DOT_PATH ]]; then
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echo "$0: ERROR: not a non-empty file: $DOT_PATH" 1>&2
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exit 5
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exit 7
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fi
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DOT_PATH_CONTENT=$(< "$DOT_PATH")
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if [[ $ENTRY_PATH != "$DOT_PATH_CONTENT" ]]; then
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echo "$0: ERROR: arg: $ENTRY_PATH does not match $DOT_PATH contents: $DOT_PATH_CONTENT" 1>&2
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exit 5
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exit 7
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fi
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export ENTRY_JSON="$YYYY_DIR/.entry.json"
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if [[ ! -e $ENTRY_JSON ]]; then
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echo "$0: ERROR: .entry.json does not exist: $ENTRY_JSON" 1>&2
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exit 7
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fi
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if [[ ! -f $ENTRY_JSON ]]; then
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echo "$0: ERROR: .entry.json is not a file: $ENTRY_JSON" 1>&2
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exit 7
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fi
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if [[ ! -r $ENTRY_JSON ]]; then
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echo "$0: ERROR: .entry.json is not a readable file: $ENTRY_JSON" 1>&2
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exit 7
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fi
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# verify .gitignore
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#
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export GITIGNORE="$YEAR_DIR/$ENTRY_DIR/.gitignore"
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if [[ ! -e $GITIGNORE ]]; then
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echo "$0: ERROR: .entry.json does not exist: $GITIGNORE" 1>&2
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exit 5
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exit 7
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fi
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if [[ ! -f $GITIGNORE ]]; then
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echo "$0: ERROR: .entry.json is not a file: $GITIGNORE" 1>&2
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exit 5
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exit 7
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fi
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if [[ ! -w $GITIGNORE ]]; then
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echo "$0: ERROR: .entry.json is not a writable file: $GITIGNORE" 1>&2
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exit 5
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exit 7
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fi
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# parameter debugging
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@@ -352,12 +370,12 @@ if [[ -z $NOOP ]]; then
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rm -f "$TMP_FILE"
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if [[ -e $TMP_FILE ]]; then
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echo "$0: ERROR: cannot remove temporary markdown file: $TMP_FILE" 1>&2
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exit 216
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exit 10
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fi
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:> "$TMP_FILE"
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if [[ ! -e $TMP_FILE ]]; then
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echo "$0: ERROR: cannot create temporary markdown file: $TMP_FILE" 1>&2
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exit 217
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exit 11
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fi
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elif [[ $V_FLAG -ge 3 ]]; then
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echo "$0: debug[3]: because of -n, temporary markdown file is not used: $TMP_FILE" 1>&2
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@@ -373,7 +391,7 @@ if [[ -z $NOOP ]]; then
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status="$?"
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if [[ $status -ne 0 ]]; then
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echo "$0: ERROR: sgi.sh failed, error: $status" 1>&2
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exit 220
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exit 12
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fi
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if [[ $V_FLAG -ge 1 ]]; then
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echo "$0: debug[1]: about to execute: mv -f $TMP_FILE $GITIGNORE" 1>&2
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@@ -382,7 +400,7 @@ if [[ -z $NOOP ]]; then
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status="$?"
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if [[ $status -ne 0 ]]; then
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echo "$0: ERROR: sgi.sh failed, error: $status" 1>&2
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exit 220
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exit 13
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fi
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elif [[ $V_FLAG -ge 1 ]]; then
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echo "$0: debug[1]: -n disabled execution of: $SGI_TOOL < $GITIGNORE > $TMP_FILE" 1>&2
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