One script to run them all

go.mod

@@ -2,6 +2,12 @@ module ppolls2024
 
 go 1.21.4
 
+require (
+	gonum.org/v1/plot v0.14.0
+	gopkg.in/yaml.v3 v3.0.1
+	modernc.org/sqlite v1.28.0
+)
+
 require (
 	git.sr.ht/~sbinet/gg v0.5.0 // indirect
 	github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b // indirect
@@ -22,16 +28,13 @@ require (
 	golang.org/x/text v0.12.0 // indirect
 	golang.org/x/tools v0.6.0 // indirect
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
-	gonum.org/v1/plot v0.14.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
 	lukechampine.com/uint128 v1.2.0 // indirect
 	modernc.org/cc/v3 v3.40.0 // indirect
 	modernc.org/ccgo/v3 v3.16.13 // indirect
 	modernc.org/libc v1.29.0 // indirect
 	modernc.org/mathutil v1.6.0 // indirect
 	modernc.org/memory v1.7.2 // indirect
 	modernc.org/opt v0.1.3 // indirect
-	modernc.org/sqlite v1.28.0 // indirect
 	modernc.org/strutil v1.1.3 // indirect
 	modernc.org/token v1.0.1 // indirect
 )

go.sum

@@ -39,6 +39,7 @@ golang.org/x/image v0.11.0/go.mod h1:bglhjqbqVuEb9e9+eNR45Jfu7D+T4Qan+NhQk8Ck2P8
 golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
+golang.org/x/mod v0.8.0 h1:LUYupSeNrTNCGzR/hVBk2NHZO4hXcVaW1k4Qx7rjPx8=
 golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -79,6 +80,7 @@ golang.org/x/tools v0.0.0-20201124115921-2c860bdd6e78 h1:M8tBwCtWD/cZV9DZpFYRUga
 golang.org/x/tools v0.0.0-20201124115921-2c860bdd6e78/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/tools v0.6.0 h1:BOw41kyTf3PuCW1pVQf8+Cyg8pMlkYB1oo9iJ6D/lKM=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

helpers/fetch.go

@@ -26,7 +26,7 @@ func moveTempCSVToCurrentCSV(pathTemp, pathCurrent string) {
 	}
 }
 
-func Fetch(dirCsv, fileName, url, dirTemp string) {
+func Fetch(dirCsv, fileName, url, dirTemp string) bool {
 
 	// Form the full path of the CSV file in the final directory and the temporary directory.
 	pathCurrentCSV := filepath.Join(dirCsv, fileName)
@@ -67,7 +67,7 @@ func Fetch(dirCsv, fileName, url, dirTemp string) {
 		log.Println("Fetch: No previous poll data.")
 		moveTempCSVToCurrentCSV(pathTempCSV, pathCurrentCSV)
 		log.Println("Fetch: End")
-		return
+		return true
 	}
 	cksumCurrent := crc32.ChecksumIEEE(fileBytes)
 
@@ -83,10 +83,11 @@ func Fetch(dirCsv, fileName, url, dirTemp string) {
 		log.Println("Fetch: Internet poll data has changed.")
 		moveTempCSVToCurrentCSV(pathTempCSV, pathCurrentCSV)
 		log.Println("Fetch: End")
-		return
+		return true
 	}
 
 	// ByeBye.
 	log.Println("Fetch: Internet poll data has not changed. Nothing to do.")
 	log.Println("Fetch: End")
+	return false
 }

main.go

@@ -79,7 +79,9 @@ func main() {
 
 	// Fetch new data?
 	if glob.FlagFetch {
-		helpers.Fetch(glob.DirCsv, glob.LocalCsvFile, glob.InternetCsvFile, glob.DirTemp)
+		if !helpers.Fetch(glob.DirCsv, glob.LocalCsvFile, glob.InternetCsvFile, glob.DirTemp) {
+			os.Exit(1)
+		}
 	}
 
 	// Load newly-fetched data into the database?

run.sh

@@ -0,0 +1,13 @@
+set -e
+
+ppolls2024 -f
+if [ $? -ne 0 ]; then
+    exit 1
+fi
+
+ppolls2024 -l
+
+ppolls2024 -p
+
+ppolls2024 -r ec
+